Anyone try these distributors?

mygwenevere66 said

they are adjustable,is just not real precise .there are 2 tabs on the advance plate that can be tweaked to limit total advance.the one in the link is not a procomp but the procomp parts will interchange with it(advance springs,cap ,rotor ,etc.).they come with 20*mech advance.all in by 2200 on the sb version.

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They tell you this, but i checked mine, the total advance wasn't in untill aroung 33-3500, it still worked fairly decent with the vacuum advance though & was quit peppy from light too light under moderate to slightly heavy throttle, but from a dead stop & slamming the go pedal it was a little lazy untill the mech. got going, it has a med. & a very heavy spring.