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Old 09-30-2010, 11:02 PM   #9 (permalink)
Meph
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Join Date: Apr 2008
Location: ontario
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240Z - '73 Datsun 240Z 240Z
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Quote:
Originally Posted by autoteach View Post
overlap increases higher rpm hp, bottom rpm tq not so much.
sorry i think i edited my post as you posted this one, reducing the overlap is the theory behind increasing torque by making better use of the combustion pressures at lower rpm's resulting in greater efficiency/mpg?

meaning Id need to advance exhaust and retard intake?
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