Quote:
Originally Posted by revkev6
hey guys, quick question on an 8ba distributor. when you disconnect the vacuum line, what happens with the advance?? is it just locked out or?? I ask because I am going to be driving a vintage mod that had a stock 8ba distributor put in it when the electronic unit fried. want to know what to expect.
|
Why run without spark advance?! That's quite primitive, kind of like a Model A with the advance lever on the column! Since the stock vacuum only 8BA distributor won't work, find an aftermarket unit with mechanical advance, or adapt a Chevy, or even Mopar. You don't need any fancy electronics, but you do need mechanical advance for max power and efficiency over a broad RPM range. If you ran at a constant, fixed RPM you could run a fixed amount of timing (once you got it started), but since your RPM varies greatly, the optimum amount of advance changes, too.