Vacuum advance
#1
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Car: 1991 camaro z28
Engine: 5.7
Transmission: 700r4
Axle/Gears: 3.23
Vacuum advance
So don't start with me trying to fix my Dash vents not blowing any air trying to find any vacuum leak so I came across one for the old heater valve letting my research trying to fix that I've come across which Port I should use for vacuum advance and I don't know what would be best for my car has a 292 cam vortec heads reworked it' a 355 i have a holley street demon carb 625cfm that' all I know about it and I don't know what ports and hoses I should use
#2
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Re: Vacuum advance
I personally like full time manifold vacuum.
Here is an article written by an GM engineer on why they switched back in the day
http://chevellestuff.net/tech/articl...r_manifold.htm
Another from super chevy
http://www.superchevy.com/how-to/add...nition-timing/
Although in the end do what makes your car run better.
Here is an article written by an GM engineer on why they switched back in the day
http://chevellestuff.net/tech/articl...r_manifold.htm
Another from super chevy
http://www.superchevy.com/how-to/add...nition-timing/
Although in the end do what makes your car run better.
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