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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine> aluminum manifold, aluminum heads, bolt torque
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Topic Review (Newest First)
11-07-2004 05:46 AM
1BAD80 Sorry I did not read it correctly, I gave the head bolt specs.
11-06-2004 10:34 PM
lluciano77 If you are using ARP hardware, call their techs.

With stock hardware, I would go with around 18 to 25 ft./lbs. Torque them in 3 steps.
11-06-2004 06:40 PM
Just to Clarify

25 ft/lbs. when bolting the intake manifold to the heads, and do as 1BAD80 said when bolting the heads to the block. In either case, you need to follow the proper sequence. Ed.
11-06-2004 05:19 PM
1BAD80 GM recommends 65ft-lb on the short bolts and 75 ft-lb long and done in 3 steps in a certain order.
Get a GM performance book from a good dealer, it gives the blueprint #s you need on the complete motor and how to build one. I prefer studs with aluminum heads and use Permatex #2 sparlingly for the watersealing ones.
11-06-2004 05:05 PM
edge Edelbrock recommends 25 ft/lbs. Make sure you use sealant on the bolts and torque them in the proper sequence. Ed.
11-06-2004 04:16 PM
Max Keith
torque specs

I would contact the manufacturer of the heads and see what they recommend for torque specs.
11-06-2004 04:15 PM
william27103 chevy small block
11-06-2004 04:15 PM
71ss what engine is, ford chevy mopar and displacement this is a bad formulated question.
11-06-2004 02:56 PM
aluminum manifold, aluminum heads, bolt torque

I can't find the torque specs for an aluminum intake manifold on aluminum cylinderheads anywhere. Can any of you guys help me? I'm having a hard time finding a book also.


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