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Old 12-06-2017, 10:49 AM   #26
240240
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Location: In that neighborhood with the 240 on the jackstands & where tax rate is 1/2 paycheck; la habra, CA
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Tcam with adjustable gear.... advance fully 6*

even better just skip a tooth on stock gear and advance like 11-12*
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Old 12-06-2017, 11:59 AM   #27
PromiseRing
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Join Date: Feb 2014
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Originally Posted by Ryan_R View Post
You want an 'A', advanced 3-4 "real" degrees at the crank. I say "real", because I measured a popular timing gear offering with the drilled holes, and found the holes off by miles. My 2 degrees at the cam, was in reality 4 degrees at the cam. Classic Swede and STS machining sell gears that'll fit under the timing cover. Yer looking at $200-250 all said and done, plus valve shims.

Looking at the dyno charts on the OVT page, the 'A' bests the 'B' by a smidgen.

A mild Volvo cam really wakes these engines up and requires *zero* other mods (aside from new shims) for there to be a very noticeable difference. Especially with the M47.

Of course, if you want to go further, get a different cam and do more mods. All up to you!

-Ryan
eh, I didn't need to shim my B cam or even my ipd turbo cam. He'll probably be fine.
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