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Valve Lash Revelations (really long) 140-160

uid 4846's pic
posted by  JohnMc on  Tue Feb 21 09:34 CST 2006
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last visit: Thu Oct 23 07:42 CST 2014
[RELATED]

The roller rockers I have are in a 1.6:1 rocker ratio, as compared to the stock 1.4 - 1.45 (depending on how far the adjuster is out). So it would restrict your cam choice somewhat anyhow.

I have a VV-81 in my PV's motor, I'm happy with it. The power is mostly above the 3300 rpm mark, when you can hear the Webers start to swallow up that reversion sound. But really, below 3300 rpm is a couple of seconds in first gear from a stop, from then on it's easy enough to keep it in the power band. Mine pulls nice and crisply all the way up to 7000 rpm, although typically I'll use 6500 rpm as a redline.
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I'm JohnMc, and I approved this message.






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