Re: 1936 5 Window exhaust
Reviewing John Lawson’s Book FLATHEAD FACTS reveals his data from Dyno test on a stock 8BA engine with stock & dual exhaust, headers, and with a crossover pipe.
His conclusion was that there is a minimal performance gain over a stock exhaust system with a stock engine.
A great read on testing various areas of performance gains on our flatheads....
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Tim
Downtown, Ca
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