They claim it will...i ran a JW "THE WHEEL" Flex Plate on my 383 blown Alcohol injected Engine..It weighed like 5 or 6 lbs...maybe it helped maybe it didn't..before i would spend $200.00 for another flex plate i would try to make up 60 ft times on Engine TQ arms and all that kind of Jazzz..
MY .02
Brian
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "