You’d think selecting a rear end for a project car would be easy. It’s not. Browse Summit Racing’s website or catalog and you’ll discover there are almost too many choices. For example, on the GM side, you’ll find 8.20-inch ring gear 10-bolts, 8.50-inch ring gear 10-bolts and 8.875-inch diameter ring gear 12-bolts. Popular FoMoCo choices
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking at posi- and non-positraction rear-end setups. T.J. • Columbia, SC Q: I’d like to know how to identify positive or non-positive traction configuration on Ford and Chevy rear-ends. Is there a quick way to tell? Can you
Horsepower is the holy grail of high performance. We love it. We want more of it. We can never seem to get enough of it. So why do many people waste horsepower once they find it? In the seemingly endless search for more horses, muscle car and race enthusiasts often squander existing horsepower by using
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