Author Topic: IT490 Test of time ADB #166  (Read 6657 times)

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Offline F.Gassit

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Re: IT490 Test of time ADB #166
« Reply #10 on: March 12, 2015, 03:30:58 PM »
4mm is an absolute metric fuckload. Raising the port heights may indeed solve some issues, but do the maths supplied by Jennings or Bell...... Don't use random sh_t found in bike mags.

Match the cylinder, or timed port area to the chamber.
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