GM Performance 350

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re covering carry-over parts from a stock 305 to a Chevrolet Performance 350. M.B. • East Haven, CT Q: I have a 1986 Monte Carlo SS running the original 305 and 200-R4 tranny. I plan on dropping in a Chevrolet Performance