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Jd H valve timing, help clooney!

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dave

02-23-2003 16:22:59

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after installing crank/head etc, installed the flywheel with v marks corrctly alligned. Compression checks at R55 & L35. Crank/cam marks were alligned when installed. Checked timing on flywheel. Valve starts opening at 5:30 position instead of 3:00 position. How far am I off, and what do I have to do to fix it.
Thanks.

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Clooney

02-23-2003 17:06:03

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Re: jd H valve timing, help clooney! in reply to dave, 02-23-2003 16:22:59

Dave, are you using the L/H exhaust valve? Is the valve lash set to .015"?...If so your cam is advanced a tooth or two. I don't know how far the engine is assembled so don't know how much you will have to disassemble to reset the cam timing. You can try just removing the L/H cam bearing but I doubt that will allow the cam gear to be moved enough to retime it. You might have to pull the L/H main bearing housing & loosen the R/H side to drop the crank L/H side down to reposition the cam gear. Now you know why I ALWAYS check & verify the cam timing before assembling an engine...

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