Runner bolt pattern?
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Senior Member

Joined: Jan 2009
Posts: 611
Likes: 2
From: DE
Car: 1990 Firebird Formula
Engine: LB9 - 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73, LSD
Runner bolt pattern?
I didn't label them as well as I should have. It was a while back and now I'm finally wrapping up my motor.
I forget which ones go where for the lower half of the runners.
(runner to lower manifold)
I forget which ones go where for the lower half of the runners.
(runner to lower manifold)
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: Runner bolt pattern?
The long ones go under the throttlebody from the inside. The mid size one go into the runners where they are thick.
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