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Old 10-15-2009, 10:50 AM   #1 (permalink)
L n L
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Join Date: Feb 2008
Location: Seabrook, TX
Posts: 227
Big Joe - rod/stroke b.s.

Big Joe - "As long as the rod is 2.00 inches or more longer than the stroke, NOTHING GOOD will happen. The rod to stroke ratio is pretty much all BS."

Joe, to clarify, are you saying that the rod should be at least 2" longer than the stroke, or not more than 2"?

I've had some debates with some friends on this, and would love to have your thoughts.

From my observations, it has seemed to me that when you can run as high an octane level as you want, that a longer rod may have a little benefit.

But, with octane level limited (like in the Engine Masters competitions in Popular HotRodding), a shorter rod may help keep a motor out of detonation.

Thanks,
Lee Atkinson
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'69 Falcon Station Wagon, 425W, 4R70W, 3.50, 11.51 @ 117.3 (waiting on rollbar!), 3790# race weight (Feb. 2010 issue of Popular HotRodding, pp.32-37)
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