low vacuum

Has anyone experienced a problem where only 2 lifters got chewed up and ruined those cam lobes? It was number 7 exhaust and number 4 intake. Car was broken in properly with oil additive and lube used on everything. An oil pump primer was also run for 8 minutes turning the engine every minute...

Hi, I’ve bought 64 corvettes which has a 383 stroker engine. But I’m facing some problems when it comes to acceleration in "cruising mode" low rpm. I notice serious backfire, happening in the exhaust system and hesitations. Some initial data: - Engine chevy 383 stroker - Quick fuel carb...

ok so i have a sbc350 over 350 out of a 72 stingray. just had it rebuilt with 190cc/64cc aluminum heads with maximum valve lift of 0.600 , big mutha thumpr cam, comp cams 1.6 magnum roller rockers, high energy pushrods, with a weiand dual pane action plus intaken and a 600 cfm freshly rebuilt...