1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

vacume advance (what exactly does it do?)

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Old May 29, 2002 | 12:07 PM
  #1  
whofarzed's Avatar
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vacume advance (what exactly does it do?)

I have had all my rats nest removed for a few weeks including the vacume advance. Idle was a lot smoother and I could actually get it to idle nicely at a lower rpm. (before I could only get it to idle smoothly over 1000 rpm)

Anyways, when I was talking to someone that sometimes fixes my car (or tells me how to fix it) he said that what I did with the vacume advance was wrong, and that I should hook it back up.

So I hooked the two solinoids back up, however, now it does not idle as smoothly, and I cannot take the choke off right away.

Will I save gas with vacume advance hooked up or not?
Will I get more power with vacume advance?
I know people here recommend disconnecting it but why? (only because it will idle better?)


Also I had a problem with the carb stumbling at higher rpms and stalling in the rain. I was told that it would probably be my wires. I changed all my wires, cap and rotor but the problem is still present.

Could water be getting into the hoses that are for vacume advance and causing this problem?

Thanks
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Old May 29, 2002 | 12:21 PM
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Vacuum advance doesn't seem to matter on our cars.

It's mainly just a way to advance timing under low-load conditions.
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