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Alls I'm sayin' is I don't have any of those issues whatsoever. If the vacuum can or cam in your car causes that, oh well, but if it doesn't it's a big difference in idle quality compared to ported.


1955,56 and 57 Cheverolet 265 and 283 use manifold vacume, Mopar never has




Ford was using it in the 70's with a one way delay valve so it would advance slower but fall out immediately...


"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."