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Larry Andrews
Joined: 13 May 2002
Posts: 2847
Location: United States, California, SC Mtns
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 Posted: Wed Jun 08, 2011 10:43 pm Post subject: WF Tech Specs |
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Hate to be a pest about this, but I'm in the middle of a rebuild and could use a bit of help with understanding the relevant tech specs for the WF motor. (IKF ideally)
Have the head off now, am surprised that it's not a 3-angle cut on the seats and am guessing that's verboten. Going to take a lot of clover to clean up the exhaust seat. Sharp corners in the exhaust port casting ain't that pretty either...but am pretty sure that's off limits too.
Oh, and popup? Where's that measured? On the tall part of the piston or on the periphery?
Any inputs would be tremendously appreciated. -la |
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John Matthews
Joined: 04 Dec 2004
Posts: 1986
Location: United States, Michigan, Williamsburg
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| Posted: Thu Jun 09, 2011 4:52 am Post subject: |
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Yes, one angle only on the valve seats, pop-up is measured from the top of the kidney bean.
But....
If you're building the motor could I suggest you purchase a copy of the latest tech manual. One of the rules in there says you have to have it anyway 
Cheers,
_________________
John Matthews
Heartbeat Power, LLC. |
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