4 into 1 header design:
Primary tube - 19.88"
Primary Tube diameter - 2.58"
Collector - 9.94"
Collector diameter - 4.91"
Using the numbers you listed.
EDIT - made a calculation error. Had two kids begging for a golf cart ride and entered a value wrong. LOL
Last edited by DCI; 05/26/10 09:21 PM.
"Turbo will be easiest, and at the HP level will also be easiest on parts. Spend the money to do it right, and you can build a 500 HP street motor that will live a long and happy life, and probably with a very basic short block."
Those words must have left a bad taste in his mouth!
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