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header/extractor making for superchared 1Ggze


Mr dori

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just measure with tape, if your real hardout, you could measure the volume of each runner by filling it with water.

there was a pretty good site with a calculator, to tune them to certen rpm. gives tube size and and length etc., will try find it

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because supercharged motors make instant brutal torque, you'd want to tune your length for further up the rev range.

With a blown motor, you just want to get rid of the extra gasses. I'd lean more towards a larger diameter primary, and in more of a medium length. Small dia long pipes are all about the down low.

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Guest vvega
it's a big late once you get to the point where you can fill them with water though? once you have roughly worked out the layout its a matter of tacking sections together and then making alterations to those before doing the final welds.

string works good :D

im guessing youve made a few sets... cause you have dam good advice that i hope this guy follows :D

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Guest vvega
because supercharged motors make instant brutal torque, you'd want to tune your length for further up the rev range.

With a blown motor, you just want to get rid of the extra gasses. I'd lean more towards a larger diameter primary, and in more of a medium length. Small dia long pipes are all about the down low.

pipe diamter changes tuned length

a larger diameter piper allows you to have a shorter pipe with teh same hemholz fequency

in thery its easlity acheveable to have 2 very different looking set's that give identical proformace chaerictristics

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