Quote:
Originally Posted by Shoebox
Well, have BOTH options, will review each.
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In one of my many former lives, I was a "Corvette Guy". In that world, it was a given that changing a '70's engine (with ported vacuum) back to straight manifold vacuum (which the same engines used in the '60's) yielded a noticeable performance increase. This usually involved a change of vacuum advance "cans" as well.
The General was chasing emissions compliance in those days, not performance.