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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


Header Bolts

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G3GM :: G3 Tech :: Engine & Driveline

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Header Bolts Empty Header Bolts

Post by ant7377 Wed Feb 05, 2014 4:47 pm

What do you guys use? I have such a problem tightening the one above the number 8 plug (last one in back on right side).
The A/C box is in the way and I cant get a wrench on it,I have a shaved down allen bolt in there now with a cut down wrench to work it, but I can see it being trouble in the future and I want to change it.
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Post by 77mali Wed Feb 05, 2014 5:48 pm

I use a combo of bolts...the usual 7/16" bolt heads and a recessed allen head type that I can get in there & use an allen-key to tighten them up. The headers are a pain in the neck to work around with a wrench or socket on about half the bolt-holes- even w/ the engine out of the car-lol.

Like these-
http://howellautomotive.com/mrgasketmetricexhaustheaderandmanifoldbolts.aspx
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Post by Joe73 Wed Feb 05, 2014 6:31 pm

I have some stage8 bolts with the locks on them waiting for my new build. Tighten them once and forget it.

http://www.stage8.com/gm.html
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Post by ant7377 Wed Feb 05, 2014 6:37 pm

77mali wrote:I use a combo of bolts...the usual 7/16" bolt heads and a recessed allen head type that I can get in there & use an allen-key to tighten them up.  The headers are a pain in the neck to work around with a wrench or socket on about half the bolt-holes- even w/ the engine out of the car-lol.

Like these-
http://howellautomotive.com/mrgasketmetricexhaustheaderandmanifoldbolts.aspx


The way that pipe is these wont go in straight.The hole is very close to the pipe,I need some thing with a very small head,makes the headers kinda suck. I might take a look at what Joe has. Keep the suggestions coming. Paul is that you in your avatar? HaHa!
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Post by 77mali Wed Feb 05, 2014 6:45 pm

Joe73 wrote:I have some stage8 bolts with the locks on them waiting for my new build.  Tighten them once and forget it.

http://www.stage8.com/gm.html

Those look good...post a pic when you get them on...might try them too.  Yeah Ant, that's me in 1983 minus my buddy Tommy. afro

LOL
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Post by dynchel Wed Feb 05, 2014 7:11 pm

I have regular header bolts, but my car is a factory no a/c car so getting a wrench on isn't a problem.
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Post by ant7377 Wed Feb 05, 2014 8:54 pm

dynchel wrote:I have regular header bolts, but my car is a factory no a/c car so getting a wrench on isn't a problem.

What make of headers?
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Post by ant7377 Wed Feb 05, 2014 8:56 pm

77mali wrote:
Joe73 wrote:I have some stage8 bolts with the locks on them waiting for my new build.  Tighten them once and forget it.

http://www.stage8.com/gm.html

Those look good...post a pic when you get them on...might try them too.  Yeah Ant, that's me in 1983 minus my buddy Tommy. afro

LOL

Remember when they get pulled over and he tells the cop "License,yeah its on the bumper" LOL! that was from Up in smoke.
"Next Movie" was really funny too though
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Post by dynchel Wed Feb 05, 2014 10:02 pm

I have hooker competition headers from about 1997.
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Post by Limey SE Thu Feb 06, 2014 3:57 pm

I use stage 8 locking header bolts they have a allen head on them and then lock them tight
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Post by Joe73 Thu Feb 06, 2014 6:14 pm

Limey wrote:I use stage 8 locking header bolts they have a allen head on them and then lock them tight

Yes, that allen key in the middle makes life much easier than trying to use a wrench.

I also like to use the soft aluminum or copper gaskets that "crush" when you tighten them. They conform to any irregularities between the head and the header flange. Much better than the composite/paper type header gaskets.
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Post by dynchel Thu Feb 06, 2014 7:02 pm

I usually double up paper gaskets (two per side) glued together with rtv.
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Post by Limey SE Fri Feb 07, 2014 11:57 am

Stage 8 header Bolts FTW

Header Bolts 3080-2T
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