01-20-2011, 04:53 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Some of the firing order swaps are done to decrease a certain amount of loading on the crankshaft at one time.
There are lots of firing order swaps available. For instance, you can order Chevrolet cams with a 4/7 swap. You'll hear different opinions/stories on it. Some say it gains a few horsepower on the right combinations...others say it doesn't make a hill of beans difference.
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