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04-09-2008, 02:25 PM
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#1
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Join Date: Oct 2004
Location: Gibbstown, NJ
Posts: 426
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Header bolt question
I'm going to be putting American Racing LTs on my 00 WS6 on saturday, I was wondering if the bolts already on my manifolds would work okay? Or should I buy a set of ARP stainless?
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2000 Trans Am WS6 - CAMMED & SLAMMED sitting on 18 Z06 wheels.
362 RWHP / 358RWTQ
2007 Trailblazer SS - 1 baby seat 
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04-09-2008, 03:09 PM
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#2
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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Quote:
Originally Posted by chemicalstylez
I'm going to be putting American Racing LTs on my 00 WS6 on saturday, I was wondering if the bolts already on my manifolds would work okay? Or should I buy a set of ARP stainless?
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Buy the stainless. Anything else the bolts will start to rust and quickly move onto the coating of the headers. Don't forget to use anti seize on the bolts and repeated retightening after the first few heat cycles.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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04-09-2008, 10:43 PM
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#3
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I <3 sheep
Join Date: Mar 2005
Location: Belmar
Posts: 4,907
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ARP bolts and copper gaskets ftw. May as well spend a few extra bucks doing it right the first time and not have to re tighten them all the time.
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Quote:
Originally Posted by Tru2Chevy
Steve has a thing for sheep....
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'78 Big Wheel- 2FWFP
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04-10-2008, 07:33 AM
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#4
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Stalker
Join Date: Aug 2004
Posts: 12,080
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i used ARP header studs, way easier than bolts IMO
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04-10-2008, 07:35 AM
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#5
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Join Date: Jan 2007
Posts: 5,623
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Stage 8 lockers and aluminum gaskets are a f'n sweet combo
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10 
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04-10-2008, 12:57 PM
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#6
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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Stage 8 are ok but sometimes difficult to get the clips on. Look into a company called Breslin and their split lock fastners.
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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04-11-2008, 10:30 AM
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#7
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Join Date: Oct 2004
Posts: 493
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Stage 8's last I checked are not as high of a grade as the stock bolts (it's bad enough the aluminum heads are soft, throw an aluminum bolt in there the wrong way and oops... and as stated the little clips and whatnot are a pain in the ass. Good luck with the back one on the passenger side). ARP as far as I know only make a stud for the LS1. Nice, but around 100 bucks (I had ARP bolts on my LT1 and they were the **** so if the LS1 are of any equal quality they would probably be excellent). If I were you I would just clean your stockers and reuse them. Done that on every install I've done and had great success. If the threads are in question, run a M8x1.25 tap through the holes to clean 'em up. I have also heard Breslin are good but never seen a set first hand. Don't forget to tighten from the inside of the header outward.
-J
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2012 Caprice
Last edited by lastcall190; 04-11-2008 at 10:32 AM.
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04-11-2008, 12:47 PM
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#8
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,215
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Stage8 bolts are stainless so they are better than the stock ones. The clips can be a little tough to get on, but it's good insurance they won't come loose. The Breslin is a good option as well. I went with the Stage8 and put the bolts on and drove the car a couple of days nice and easy to heat cycle the gaskets and headers. I tightened them each day and then did a final tightening and put the clips on. No problems with leaks or loose bolts.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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04-12-2008, 04:02 PM
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#9
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Join Date: Oct 2004
Location: Gibbstown, NJ
Posts: 426
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DONE. Finished up an hour ago, took just over 4 hours. We had a little trouble getting the dipstick back in, but other than that it was smooth sailing. People said i would have to move the motor and all....they fit right in from the bottom!
__________________
2000 Trans Am WS6 - CAMMED & SLAMMED sitting on 18 Z06 wheels.
362 RWHP / 358RWTQ
2007 Trailblazer SS - 1 baby seat
Last edited by chemicalstylez; 04-12-2008 at 04:03 PM.
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04-16-2008, 09:50 PM
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#10
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,215
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Yeah, my headers weren't bad to install in the LS1, much easier than the LT1. I spent more time messing around with the y-pipe because my headers are used and the collectors were cut short. I'm still not happy with the fit of the y-pipe and cats. But I haven't scraped on any curbs, speed bumps or boat ramps yet.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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