Actually there are a couple of companies that make headers for motorhomes, Gibson, Doug's, Doug Thorley and Banks. They tend to burn up gaskets and even exhaust manifolds. The engines work pretty hard and the stock exhaust manifolds don't do much in the way of moving the heat away.
It's a fuel injected engine with electronic ignition, think I'll stick with that for now.
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Hank
70 Chevelle SS396(454), M20, 3.73
My Chevelle
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