12-04-2006, 03:55 AM
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CC Member
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Join Date: Mar 2001
Location: Central Coast Sydney, Australia,
NS
Cobra Make, Engine: Classic Revival, Gen3 ls1, Vortech T-Trim, Motec, tremec M12, wilwood brakes.
Posts: 319
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Not Ranked
Quote:
Originally Posted by 496fe
Rare Iron is on the right track. There are TWO factors involved in exhaust gas extraction - volume and velocity. Everybody seems to be concerned about volume restrictions i.e. pipe size. Probably because it is easier to make a bigger pipe. The real science (and flow results) is in the area of merging four 2" pipes into one 3" pipe. Like many things in life that are good, this merger needs to be long and smooth.
Unfortunately, you need to give up the authentic look if you want smooth exhaust merging. You need to use the same collection techniques that have been proven at the races.
Good luck,
Brian
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A nice merge collector like this
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Craig W
Central Coast NSW
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