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350 chevy in a model A street rod with dual 600cfm Edelbrocks on a low rise manifold. Stock cam. Cherry Bomb straight thur pipes. Lots of soot on plugs, smokes bad at idle. Compression check is fine. Leakdown on cylinders is fine. I''m stumped. Don''t really know much about multiple carb tuning. Runs great up to 2500 rpm or so, then gets a kind of "dropped cylinder" feeling. Help!

Optional Information:
1930 street rod Model A 350 chevy

Already Tried:
checked timing, changed plugs, fresh gas, float levels,

Customer (name blocked for privacy)

Status: Closed Value: $15

ok for one you are very over carburated-you have 1200 cfm on a engine that at most should have only 770cfm-they look good but they dont run good-there are several things you can do-a bigger cam-lots bigger but this doesnt give you much in the way of drivebility-you can jet down on the carbs-and it depends on how much you like the two card setup-a single card will run faster on this car-say a 660 cfm or a little bigger-even one 660 will help with this-you would be surprised that if you changed to a single carb how much faster this car will run-let me know what your thoughts are on this and i can advise you further

gene

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