Bbc head bolt sealant. I took the bolt out and.

Bbc head bolt sealant Apr 29, 2009 · That's the feature of Permatorque gaskets,a one torque job. Master Technician John Gurnig of the Fel-Pro Field Test Garage has all the informati Nov 28, 2009 · On any block where the head bolt holes go into the water jackets you will need a "thread-sealant" to keep the water (coolant) from coming up the bolts! Neither oil nor "moly" will seal this area, you need a specific "sealer". Jul 1, 2006 · Buy Permatex 59235 High Temperature Thread Sealant, 50 ml Tube , White: Industrial & Scientific - Amazon. Having said all that, the G. stud that screws into the cylinder head. Has anyone used bolts with sealant already applied? Or shall I remove it and use the Aug 12, 2018 · Because the BBC stock blocks all have head bolts that go into the coolant passage they have to be sealed. Buti have read here in t/c where others had coolant leaks using teflon paste. For Head Studs or aftermarket bolts CHECK YOUR INSTRUCTIONS, BBC studs are available in a ton of different styles depending on heads and stud diameter (7/16" and 1/2"). Feb 13, 2018 · smeg wrote: ↑ Wed Feb 14, 2018 1:57 am I learned a hard lesson many years ago with head studs, use high strength loctite red, some in the block some on the stud, screw all the way down then back out half a turn. Make sure the bottom Head bolts are the focus of this informative video from Fel-Pro gaskets. I did a search here and realized the ARP teflon sealant I used is not recommended for sealing head studs. 65lbs short bolts, 75lbs long bolts for aluminum heads. Head Bolt Pattern: Std. I have also used ARP's white teflon thread sealant with good results last time i rblt my 396 in 2001/7k miles ago . 41 @ #3250 / 1. Been using on head bolts and intake bolts for 40 years Aug 22, 2016 · Overhauling a 350 3. Mar 9, 2023 · I need an opinion from someone that has had the samething happen to them. Torque to factory spec (70 ft. :hurray: Chevy specs are 65 ft-lbs for the short bolts and 75 ft-lbs for the long. If you lack confidence in the factory pieces or just don't like torque to yield, buy some ARP head bolts, use the ARP lube, and torque per ARP instructions. Oct 24, 2006 · I have a 454 in my shop that I have assembled 5 times now. 10@118mph 9-30-22 Indian head shellac sealer. then final at 70 ft. Use thread sealer on all bolts that go into the water jacket, which means all blocks except Bowtie and aftermarket. May 29, 2020 · I use this on head bolts and the few (4, I think) intake bolts that penetrate into the lifter valley. Aug 14, 2014 · Note that the tops of the ports are almost even with the bottom of the center bolt-hole. M. The "valley" bolts (if in the program) got 50#. Make sure all the head bolts are in perfect condition with clean,undamaged threads. If they are factory bolts or are mimicking factory bolts, just use them the way the factory manual says. a little oil or moly coat under the bolt heads is a good idea. The next 3 times was because the head bolts keep leaking water. If you try to use the long bolt on a cap designed for the short bolt, it will bottom out on the main bearing and make a mess Oct 12, 2013 · They were done correctly. With that head bolt kit (134-3601), and with the bolts that are into water, we choose to use the G. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Mar 13, 2025 · JEGS 555-83438 Cylinder Head Bolt Kit Features: Ideal for engine repair when changing the cylinder heads or head gaskets; Seals cylinder heads properly at a bargain price; Fits 1966-1998 big block Chevy Mark iv engines including 396 402 427 454 and others; Made in the USA with high-quality materials and assembly Aug 16, 2016 · A lot of people don't realize that there are two different length bolts and two different style main caps. Fuel Pump Pushrod: Std. 5. • A sealant/antiseize must be used on the head studs. Sep 27, 2016 · i honestly would not make this video if i havent seen someone forget to seal these bolts this is a must as a bonus i will show you guys how to torque these b Jul 26, 2023 · It looks like most (but not all) of my intake manifold bolt holes on Gen V iron heads are NOT blind and need sealant on the boltstrue? What do you guys using as sealant? Can anyone confirm that all head bolt holes ARE blind and do not need sealant? I was hoping there was some graphic of which bolt holes on a GenV BBC are "blind" and which Aug 17, 2015 · The less bolts and the more pressure each bolt has to endure. All the usual thread sealants can easily be wiped off, they're really not sticky. I only use GM #1050026 Sealer on Head-bolts P/N 450000 - BBC Cast Iron Engine Block, Siamese 4. com FREE DELIVERY possible on eligible purchases Don't forget to use sealant on the intake manifold bolts also (some blind, some not), otherwise you will have little puddles of oil sitting on the intake manifold. They should only be lightly snugged. If I do it this way, there is no real good way to chase the threads out real well. Aug 2, 2012 · 520 BBC 6. They have to be sealed though and now! Jul 16, 2013 · Slow-drying, non-hardening brush-top sealant approved for use in aviation as well as automotive applications. 8437" + . BBC Sep 11, 2006 · A I recall, my factory manual says use sealant on the head bolt threads. 20 ft-lb. Then do it again and again until no bolts pull up when you draw the torque. For your convenience, we stock complete and partial ARP head-bolt kits, studs and washers. 80” Deck Height, 2-Piece Rear Main Seal, 10 Bolt Timing Cover P/N 450001 - BBC Cast Iron Engine Block, Siamese 4. They make a big deal out of using the moly lube versus motor oil, but I would think motor oil would be better than the thread sealer they recommend. for the long bolts. lbs. Also, use the three step torque technique30#, 45#, then final torque value. The postings that talk about using the Teflon sealant suggest applying it to the bottom of the bolt heads as well as the threads to provide proper lubrication for torqueing the bolts. head bolt sealant. I have used this on other BBC's with head bolts and it worked fine, guess not with head studs. 200” for Raised cam/Big M² - P/N: PR200FP Freeze Plugs: Std. Use a torque wrench to tighten each intake manifold bolt using the factory pattern and specifications. This puts more than the recommended clamp on the head/block but worse, it can overstretch the bolts. :thumbsup: 1 day ago · Loctite Head Bolt and Water Jacket Sealant 1158514 LCT-1158514. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER. 351W (1/2" factory head bolts) - 100ft. I never use that cheapie blue stuff though. Bolt Holes Into the Water Jackets You didn’t mention what era 454 you are dealing with but we’ll safely assume this is a Chevy MK IV big block that has head bolt holes that extend into Nov 3, 2007 · Hi in the process of removing my BBC heads to check/replace the gaskets. 4. Stock head bolts get torqued to 70 ft-lbs in three steps of 40, 55, and 70 ft-lbs. Jan 7, 2008 · Chilton's Repair manual lists the torque spec for 396/402 iron head as 80lbs all bolts. BBC Big M Bolt Pattern Inside Head Studs: P/N Nov 17, 2018 · Chevelle Malibu ss 64 489 BB with parts from Lewis racing Alumitech radiator with dual spals Th 400 Edge 9. NOTE: LOCTITE MAY BE USED IF A PERMANENT MOUNTING OF THE STUDS IS PREFERRED. I would remove each of the lower head bolts on both lower sides of block 1 at a time and clean/reseal/and re-trq each bolt before moving to the next bolt. BIG-BLOCK CYLINDER HEAD GASKETS Secure sealing between the cylinder heads and the block is a critical component of making reliable horsepower, so Chevrolet Performance puts the same engineering excellence and manufacturing precision into their gaskets, head bolts, and cylinder head studs as the blocks and heads they secure. RTV silicone sealer, #2 Permatex, or Teflon pipe thread sealer on threads, and motor oil or anti-sieze under washer and bolt head. Dirty or damaged threads Sep 2, 2003 · Everybody has their favorite thread sealerlol, mine is the Permatex Thread Sealer with Teflonand Moly Lube on the head of the bolts where it touces the head to get an accurate torque reading. BBC Big M Bolt Pattern Inside Head Studs: P/N: 64210240 (Not included) Lifter Bores: BBC . Allow engine to cool for twelve hours before re-torquing. Let the blasting begin. 70-454 LS5 Mid America Chevelle Club #293 In a high-performance engine, the gaskets and hardware are the soldiers on the front line of power production. Mar 10, 2015 · Head Gasket & Cylinder Head Installation: You must use sealer on the head stud threads. studs are not needed unless you have a all out high output race engine. 110ft. Permatex #2 also works well. Nov 26, 2018 · As some BBC guys have noted, even their ARP studs (properly sealed!) have leaked, the 'final' fix was #1 Permatex Aircraft Sealer, and when that wasn't conclusive, a small can of 'heavy duty block sealer' was added to coolant. I've changed gaskets, and tried resealing the bolt several times. Pack the counterbore around the head stud with silicone leaving a small amount sticking up around the stud. I put the required ARP sealant on threads going into the block and got it in the threads perfect. The first time it had ARP studs in it with ARP thread sealant. Sealer should be used on head bolt threads. The head bolts get torqued to 28. I had bad luck with the Permatex Aviation black even with head studs. 8 lb-ft, then turned 90 degrees once, and then turned an additional 90 degrees a second time. Suggested Applications : Valve cover gaskets, oil pan gaskets Sep 17, 2008 · both of these work great at sealing head bolt threads, IF you forgot to use thread sealant on the head bolt threads, why, not try to eliminate one potential area of concern,why not pull each head bolt one at a time and clean its threads dip the clean bolt in the can of sealant and re-install and re-tighten the individual bolt to the required Nov 3, 2007 · BBC Head Bolts - Thread Sealer - Do I Need It Jump to Latest 3. a gen six has only 6 bolts that hold the timing cover on. . And that can mean weak threads. 25 ft. ARP makes sealer that we have not had any issues with. 370 bore unless you have a 502 or bowtie block with the 4. Use a drop of 30W motor oil under head of bolt. You have to use the long bolt with a main cap that is designed for the long bolt or you will pull the threads. /lbs. The first time I had to redo it was because the owner wanted to swap the cam before it was ever started. the best sealer i found was "green loc tite" BUT you must Standard BBC head studs or bolts may be used. Part Number: LCT-1158514 Estimated Ship Date: Monday 4/7/2025 Sep 25, 2009 · When installing head bolts on my BBC, what torque values do I use if I use a lubricant like oil or Moly grease under the head bolts, and thread sealer on the threads If for example, the "book" torque value = 85 ft/lbs, and I use Moly grease under the head of the bolt, and thread sealer on the threads, does that change the torque settings to a May 17, 2011 · Here's my real dilemma - I was hoping to avoid pulling the other head and wasting another head gasket. They do intersect water passages. The lube should be used under the head of the bolt or the bearing surface of the nut and on the threads, unless a thread sealer is used. For instance, the 400 block in my DD Chevelle has 6 cracks from the steam holes to the adjacent head bolt holes. This little bit that was taken from engine builder mag sort of proves what I was thinking, "If each cylinder has four head bolts around it, each bolt has to exert a clamping load of 10,375 lbs. Also needed were hardened washers. Edelbrock E-Tech 170 Heads, 2204 Roller Cam, Air Gap Intake. Feb 22, 2011 · - For Chevrolet head bolts, oil will not prevent the entry of coolant so a substitute for oil in and on the threads has to be used. Oct 12, 2012 · The following are useful tips for technicians andengine specialists who spend any time sealing up engines. heads up to temp I soon realized the majority of the exposed head studs I could see were seeping very slightly. 89@102mph 1/8 mile 6-24 L-29 461 BBC 11. Make sure head bolts do not bottom out in block. BBC or +. (short bolts) Take the bolts down in 3 steps. Permatex High Tack cured the problem. Mar 29, 2004 · You should use loctite blue or red on the studs because they see a lot of action and because some of stud holes may go through to the intake port and the loctite will act as a sealer. work quickly to do all studs, then slip a head down into place, let sit overnite, take the head off and clean up the residue. I use Permatex #2 on threads when installing any fastener that might be exposed to fluid. This is particularly important for stainless steel fasteners. 29 5. Aug 31, 2010 · I've been using RTV on Chevy head bolts since I found out it existed back in the olden days. But when it comes to the head bolts and the crankcase bolts, it is different. then 50 ft. At first I thought the torque wrench had just slipped a gear. So the short bolts and the. However, regardless of the sealer used, clean threads are crucial. Jun 3, 2013 · I have seen plenty of horror stories about problems with leaking head studs that extend into water jackets instead of blind bolt holes. 80” Deck Height, 1-Piece Rear Main Seal, 6 Bolt Timing Cover Sep 22, 2014 · These bolts are also specified as being non-reusable. ARP bolts are different than OEM bolts, as are studs and nuts/washers- use their specs. Thanks. Permatex® Aviation Form-A-Gasket® No. Dec 3, 2017 · I have a new set of Bbc head bolts with some sort of red sealant. [6] Screw the rocker arm studs into the cylinder head and tighten them hand tight. 9. Save Share Mar 9, 2008 · Running tap in threads didnt cause leak,no sealer on threads for head bolts entering coolent jacket caused the leak. were 70# on the long bolts and 60# on the shorts. A re-torque after initial warm up is desired. Threaded holes should be chased and thoroughly cleaned prior to assembly for consistent torque and clamping force. Re: Head Studs Install 10-01-05 03:56 PM - Post# 789249 In response to shubox56 i have never researched the reason BUT it happens when you use blocks where the head bolt holes are into the water jackets. Jul 6, 2009 · If you over lubricate the bolt threads with some super slippery stuff you end up turning the bolt further into the threads with the same spec torque. been there done that and i said i would never use them again. 34 9. It Oct 11, 2010 · C1 & C2 Corvettes - SBC - Which Head Bolts enter the Water Jacket? - Hello Folks, On the small block chevy engine, which of the seventeen head bolts enter the water jacket (and thus need to be sealed)? Thanks in advance. Apr 17, 2005 · I've been trying to fix a leak on my SBseems to come out from under the lower bolt head on the driver side. Big-block head bolt torque pattern. Sep 24, 2006 · You should put sealant on all the head bolts on a BBC. It's there for a reason. THE FASTENERS, HOWEVER, MUST BE TORQUED PRIOR TO THE LOCTITE SETTING UP. The bolts may not break, just yield a little causing lose of clamp and head gasket failure. Apply the Permatex to the threads and a drop of oil under the bolt head. Mar 5, 2007 · After running my new 496 w/alum. This is where a majority of the friction occurs when torquing head bolts. The crank case bolts are torqued first to 40. Most thread sealants and stuff like RTV silicon rubber that are thought of as thread sealants are not suitable they don't seal well and don't provide lubrication inside the threads. 8K views 2 replies 3 participants last post by ernkazern Nov 4, 2007 Jan 27, 2011 · Old school inmdian head shellack work just fine for sealing head bolts or any bolts that need to seal off coolant and or oil. Think it would be ok. As far as the head bolts go, you don't want to use grease or silicone as a sealer. Hand tighten only! Thread sealant/antiseize should be used on all studs, even those that are installed into a blind hole. None of them are much fun to clean up after teardown and reassembly. Is there a need to use sealant on the bolts - for a 65 BB intake? If there is a definitive need, can someone advise the best product? Jul 22, 2015 · The original specs from G. I was installing a set of heads on a BBC. 47 bore or larger. Torque-to-yield bolts are one-time use only. They do not go into the water jacket. 300 Taller Gen V, VI style Main bearing size: Std. Tom Terrific or Terrible Tom, depending on the phase of the moon, passing cosmic rays or other factors not fully understood except by my wife. Your $6,000 CNC-ported cylinder heads aren’t going to make enough power to pull a fat kid off a tricycle if the head gaskets can’t handle the pressure of combustion, and your high-dollar aluminum engine block is soon going to be ventilated if the connecting rod bolts decide to Sep 27, 2009 · Guess it depends how much you want to put into it, for time and work. Easy to find at most any hardware store and much cheaper than the repackaged stuff at the parts store. Find Parts and Accessories bbc head bolts KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! 4. Jul 5, 2020 · Like has been said, there are several ways to do the intake. Jan 18, 2013 · a gen 5 will not have a provision for a mechanical fuel pump. Installed studs with RTV, that was Apr 3, 2007 · I just put ARP head bolts in my stock 302, and used the ARP moly lube for torquing the top (dry) bolts, and the ARP thread sealer on the bottom (wet) bolts. I have a can of high tack gasket sealant by permatex. I'm not implying that head bolt torque shouldn't be checked/observed. all bolts need to be sealed Nov 11, 2018 · Make sure the threads (stud and block) are clean and dry. Mar 1, 2010 · NA 540 BBC Dart CNC-355's 8:90 @ 151 1250 P/S Dominator on M5 3130 lbs. Backed off the bolts a 1/4 turn,retorqued to 70 pounds and Mar 27, 2011 · I put my heads on first, start with # 1 Stud fill the threads and smooth off even, screw it it in hand tight, and torgue it to 25 ft lbs, i do that for the first 5-6 studs, so the head IS clamped down, then i put the remainder in the same way the finish the squence Jun 3, 2006 · Putting the heads on the motor this morning. [5] Install the push rod guide plates (if applicable). This is the bolt where the hole in the block goes into the water passage. Note: If the studs protrude into the intake port or water jacket lubricate the studs with ARP Thread Sealer. Studs should never be torqued into block. They work very nice for head studs when a rocker shaft system is in place as it allows plenty of room for the stands, and on some set ups, the bolt can be removed with out removing rocker arms. 00 @ #3251 Better in 2023 Aug 9, 2021 · Yes, it still could be a bad seal between the cylinder head and the block or between the intake manifold and the heads, but our money is on the head bolts. The engine is a 1948 Mercury with aluminum heads. 1. Check pushrod clearance with head installed Jan 6, 2014 · I've read that the threads on all head bolts should be treated with plumbers Teflon sealant, Permagasket, or aviation thread sealant. (long bolts) 65 ft-lbs. Thread starter trailblazr81; Start date Jun 2, 2007; trailblazr81 All the gen V and gen VI BBC have blind end head bolt holes, meaning Sep 14, 2017 · Clean the head bolts on a wire wheel. Apr 23, 2007 · C1 & C2 Corvettes - Intake Bolts - use of sealant? - I've been researching the use of sealant on intake manifold bolts and have yet to discover a clear cut answer. And, do you change it up when head bolts are going into wet blocks using some Heli-coils? SBC 010 block from 72. We only use ARP bolts when we use bolts, and they give a different Tq number for using their lube and regular oil. Any pipe dope would probably be fine. I use GM sealant here in Jun 13, 2016 · I stopped buying the high dollar Arp head and main bolts years ago, and have been using grade 8 or better socket head cap screws. Assuming this is the SBC you are working on. Jul 17, 2016 · I'm merely saying that we need to have a balance with all this stuff and keep it into perspective. In torque tests it is very close to motor oil which the factories use on the threads and under the fastener's head for their torque tables, so you don't need Feb 17, 2017 · 67 Black RS Coupe, 383, M21 & 10 Bolt Posi. I've been using liquid teflon thread sealant to seal the threads, is that the right stuff to use? Oct 5, 2019 · Obviously the threads don't need sealant in a blind hole. Oct 4, 2018 · Typically, the OEM’s use torque-to-yield head bolts to clamp the cylinder heads to the block. Oct 10, 2010 · The reason for checking is that you will be applying a thread sealer and if anyone hole happens not to be open any sealer ahead of the bolt that becomes trapped between the bolt end and the bottom of a closed hole will form a hydraulic lock as the bolt is turned in and this lock will have sufficient force to crack the casting at the bottom of Oct 14, 2011 · use sealer on all head bolts. So once you pull them off, throw them away. Jul 5, 2017 · Several different brands of thread sealant were tried, all failed. Both of those things stay pliable and keep sealing, even as much as head bolts always move, which is quite a bit. I was torquing the head bolts when the bolt that goes into the dowel hole thread “popped”. I'm sealing the lower water jacket holes. Take the bolts out one at a time . That stuff is like a thick glop. Press in cup plugs 1 5/8 “dia. I have seen some using the ARP sealant, others using the 3M teflon thread sealant, and some even using other stuff like aviation sealant (the brown brush-on stuff). all you need is the felpro 1037 gasket with the 4. Question: Do I need to do this to all of them or just the ones on the Aug 3, 2012 · For stock type Chevrolet head bolts I use Teflon plumber’s paste type pipe sealant. Use silicone around all coolant holes and head studs on both sides of gasket. I took the bolt out and Nov 2, 2021 · We used ARP Thread Sealer on all head bolts that intrude into the water jacket. Going to be setting some heads down on a block this week. 3 Sealant Liquid Reactions: LeoP , magicrat56 and 71350SS Jul 20, 2010 · Permatex #2 works well and Loctite makes a special product for the head bolt thread applicationHead Bolt Thread Sealer. Apr 3, 2011 · What is recommended to put on intake bolts going into aluminum heads? Pipe thread sealant or rtv? The intake bolt holes in the heads are open ended meaning that the bolts need to be sealed or oil from underneath the intake will splash up and leak out. That was the last wordthere was some text, I followed it as a friend had troubleturned out to be the solution. If you just want to seal it up then you can, several products will seal the threads up. e. and works on anti-freeze. Our 1402 and 1472 cylinder heads are machined for 7/16" head bolt diameters; all others are machined for 1/2" head bolts. Dec 31, 2010 · That being said, it got me thinking that what actually may seal the coolant is simply the gasket between the head and the block, and then the bolt head and washer on non-studded engines. I don't think that on a normal bolted head necessarily benefits from the sealant. ) in the proper sequence, in at least 3 steps - i. As you have a 454, you are going to have bolts going into water, so you need sealer. It appears as though it all went well after screwing the stud down with just a little excess to be wiped off. 97 @ 114. sealer (part Jul 5, 2010 · Since a head bolt on a 350 threads into the water jackets do I use a sealant and what sort of a sealant would I use. But if a decent teflon based soft sealer (like permatex) didnt work then you have a mechanical fit issue or alot of dirt. Just wondering. Usually, these bolts can be identified because they will have a flat gray surface coating, but if you aren’t sure, always play it safe and buy new head bolts. I have never used a torque wrench. Use a thread chasing/cleaning tool to clean the threads, not a tap and die set. I just had the Flathead in my 1936 Ford coupe rebuilt. Jan 23, 2018 · Shop Manual column about sealing seeping studs. This exact procedure should seal all coolant leaks. With sealer required on SBC headbolts it might not be wise to retorque and risk upsetting the sealer and maybe getting a false torque reading from the sealer. 6 lb-ft and then to 90 degrees from there. May 27, 2005 · head bolt thread sealant. The sheet with the ARP bolts says 65 ft-lbs for bolts with sealer (the ones that go into the water jacket, which is all of them on a BBC). Also, make sure that the chamfer in the head bolt washer faces upward so it matches the radius o the backside of the head of the bolt and there is lube on the underside of the head of the bolts. Jun 30, 2016 · Permatex or ARP, white Teflon "head bolt sealant" works on clean, dry threads. Also - some intake manifold bolts are replaced with longer bolts, - on BBC this can cause a longer bolt to contact a pushrod, and then bad things happen. Im thinking a proper cleaning is Standard BBC head studs or bolts may be used. numbers really don't count unless you are using the OEM bolts. But I did check the bolt torque before pulling the heads just to see. Always one of the Ultra products. 31, Toms KA 33 splines axles Feb 10, 2010 · Cylinder Head Bolt Torque Engine oil used for lube on blind holes Sealer used where the bolts enter the water jacket 75 ft-lbs. Loctite # 620 is recommended. Feb 4, 2023 · Now if you have a stud/bolt passing thru an intake port you will have to put sealer under the bolt head/stud nut to keep it from sucking in oil. Ive seen the question posed Feb 21, 2010 · As posted, it varies with bolts and the lube on the bolts. Mar 9, 2013 · OK, I'm Wondering what the majority feel is the best sealant to use on head bolts going into the water jacket. Aug 29, 2016 · Instructions for ARP Head Bolts say to use sealer for water jacket bolts and the included ARP assembly lube for blind hole bolts in the heads. Clean the bolt and the hole and use Indian head gasket cement, teflon paste or whatever you choose. Sep 23, 2023 · Lube under the head of the bolt, or between the bolt head and the head bolt washer to prevent friction at the upper end of the bolt hole boss from affecting the torque applied to the threads. A sealant/antiseize must be used on the head studs. Simple enough. No problems that I know of. I have done everything I know to to, but it keeps leaking. Oct 4, 2013 · ARP Teflon paste sealer is a superb product! I use it exclusively for head bolts, intake bolts, and water pump bolts and never have a problem. If there are five head bolts per cylinder, the load needs to be 8,300 lbs. 50” Bore, 9. What I cant see to find after an exhaustive search is which bolts go into the water jackets and which don't. Now with a smaller sized bolt, +or -10 ft/lbs can be a much more significant variable, or change. Related Articles - Explaining Dual Pattern Camshafts vs Stage Camshafts - Ignition Components in High-Performance Engines - A Lesson in Fuel 1. This was using the G. Oct 9, 2012 · 1968 Camaro 468 bbc power glide 12 bolt Dont forget to seal the threads on the head bolts as well as they all go into water jackets. 5" converter 57 3/4” wide 12 bolt: Eaton posi, Us gear 3. Seal the bolts that go into the lifter valley, using a wrench makes it much easier, smaller head bolts is a plus, and the final thing to make sure of with a small block intake is that the bolts if too long can catch the pushrods. The best sealer here is a non-hardening teflon sealer or permatex. Torque head bolts to 70 ft-lb in increments of . Therefore, I was planning to replace the head bolts without pulling that head - maybe pulling each bolt individually and replacing it with a new fastener. for the short bolts. 60 in. Ericnova72 , Sep 23, 2023 We recommend using ARP Ultra-Torque lube to ensure an even, accurate clamp load and to prevent thread galling. fit head and tension as per normal. Like I said ARP says 65lbs all bolts using their sealer/lube. For what ever you use make sure the threads in the block are clean. Apply the thread sealer very sparingly on the stud threads and install them in the block. 8427" - . APPLY a small amount of PERMATEX HI-TEMP RTV SILICONE GASKET SEALANT to the threads of the intake manifold bolts, wait 5 or 10 minutes, and then install the bolts. 5 out of 5 stars. 42 @ 142. Temperature range -65°F to 400°F (-54°C to 204°C); resists gasoline, oil and grease. Screw studs into the block “HAND TIGHT ONLY”. Head Bolt Kit 435-3603 Chevrolet Big Block Mark IV block with Late Bowtie aluminum, Iron Dart, Pro-1, Pro Top Line, & World Products iron heads, 12pt, ARP Stainless Oct 25, 2011 · C1 & C2 Corvettes - DO you put sealant on head bolt threads - What type of sealant do you put on the head bolt threads when replacing heads. Aug 8, 2010 · stock blocks have the deck bolts into the water jackets so you need a sealer. per bolt. w/driver Mar 26, 2013 · I'm putting head studs into a SBF motor. Permatex #2 works great- so does the old standard pipe thread sealer with Teflon. I use a paste with Teflon plastic threads all through the sealant to both lubricate the thread, and to seal against a water leak. Apr 26, 2010 · I prefer either the Permatex / Loctite automotive pipe thread sealer with Teflon, or the Permatex 200 (brown gooey gunk). I remember a couple years ago putting RTV/Sealer on the head bolt threads because some of them go into the coolant passages in the block I guess. Head stud holes are blind. Unless you are using ARP bolts- then follow their instructions. Apr 19, 2011 · 8. Especially with larger size bolts, (such as 7/16"-14 size and the like). i use teflon sealer made for that purpose. znqje qsgw sys opr fojmfg lmezbx rghh imzb thjtcnrh jflrkr oprgbebh tflaq qmpr bdq sfbog