I am not to knowledge about distributor vacum advance. I have decided to purcahse the mallory comp 9000 unilete electric distributor.. but i don't know if I want the simple or vacum advance version... Is going to go on my commuter vehicle, so i gues i want something that will acomodate for that kind of driving. I do plan to use the NEW mallory Hyfire VI CD Ignition Box. ANyt takes???
What I have:

350 V8 ZZ3 engine
camshaft ( 208/221 @ .50)
eldelbrock performer aluminum intake manifold
Trick flow twisted wedge aluminum heads (10:1 C/R)
Edelbrock T.E.S headers for 1988 Camaro

Thanks allot

 

Adding vacuum advance will improve the fuel economy.

Tim

 

What he said above, it will improve your mileage compared to without. All it does is add some extra ignition advance at part throttle(around town and highway driving).

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82 camaro--original steering wheel, brake/gas pedals, seats--everything else modified
82camaro