Torque specs for aluminum intake manifold?
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Supreme Member
Joined: Sep 2001
Posts: 4,231
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From: Manassas, VA
Car: 89 Formula Firebird
Engine: 305 - Demon 525
Transmission: 700R4
Torque specs for aluminum intake manifold?
This should be a simple question, I did search btw. I just need to know how tight to torque the intake manifold bolts. I have an aluminum intake manifold on a 305, iron heads.
THANKS!
THANKS!
Supreme Member
iTrader: (1)
Joined: Jun 2003
Posts: 3,085
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From: Elgin, IL
Car: 1997 Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73 IRS
I believe the spec is for 35ft-lbs. That's roughly what I used for both my TPI and LT1 intakes. Start in the middle and do a criss-cross pattern outwards. Do it in 2 or 3 stages.
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