Intake plenum bolt torque specs
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Joined: Aug 2004
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From: FL
Intake plenum bolt torque specs
I searched this like crazy (45 min) and couldn't find it 
I may be dumb tonight because I remember finding it about two months ago...
Anyone can tell me how much torqe should I use in my TPI intake bolts? Thanks.
I may be dumb tonight because I remember finding it about two months ago...Anyone can tell me how much torqe should I use in my TPI intake bolts? Thanks.
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Joined: Jul 1999
Posts: 2,149
Likes: 4
From: Mims, Florida
Car: '87 IROCZ
Engine: 395 ZZ4
Transmission: ProBuilt 700R4
Axle/Gears: 9 bolt 3.70s
If I remember correctly, the torque spec is 25 to 30 ft-lbf.
Lately, I have just done "really snug".
Edit: Sorry, I was thinking runner/plenum bolts. Yep, the intake manifold bolts are 35 Ft-lbf.
Lately, I have just done "really snug".
Edit: Sorry, I was thinking runner/plenum bolts. Yep, the intake manifold bolts are 35 Ft-lbf.
Last edited by doc; Oct 26, 2004 at 10:12 PM.
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
I've never worried about torque specs just for the plenum & runners. As long as they are tight enough to seal the gaskets but not too tight to strip the holes, it's a job well done.
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Joined: Oct 2011
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From: cleveland
Car: 89 rs
Engine: 357
Transmission: M20 muncie
Axle/Gears: 3:42 posi
Re: Intake plenum bolt torque specs
TRICKSTER! THANK YOU Exactly what I was looking for.. ALLDATA doesnt list these specs. an just "snugging" isnt worth doing it twice
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