q-jet pressure
Thread Starter
Joined: Oct 2002
Posts: 906
Likes: 42
From: Hamilton Ontario Canada
Car: 1985 Camaro IROC-Z
Engine: 350
Transmission: GForce T-5
Axle/Gears: 10 bolt 3.73 posi
q-jet pressure
2 questions
How much fuel pressure can a q-jet take?
and
How can i test to make sure my secondaries are opening up?
How much fuel pressure can a q-jet take?
and
How can i test to make sure my secondaries are opening up?
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
3-5 psi is plenty; more doesn't do any good.
Have someone sit in the car and push the pedal to the floor and watch the sec throttle linkage, if it opens, then, .... it opens; check the air valve tension, for a 305 it should be around 5/8 - 3/4 turn of tension. If both conditions are met, then they'll work like they're supposed to.
Have someone sit in the car and push the pedal to the floor and watch the sec throttle linkage, if it opens, then, .... it opens; check the air valve tension, for a 305 it should be around 5/8 - 3/4 turn of tension. If both conditions are met, then they'll work like they're supposed to.
Senior Member
Joined: Jul 1999
Posts: 811
Likes: 5
From: Maple Grove MN USA
Car: 1984 Z28 Camaro
Engine: H.O. 355 NOS
Transmission: 700R4
Well, I set my sec. air valve tension at "0" and use the slow acting vacuum brake canister (choke pull off) to control the opening rate. In fact when I turn my eng. off they flop open. When I start the eng. the vacuum brake moves to close the sec. air valve by that long green linkage.
Auggie
Auggie
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