03-08-2005, 04:30 PM
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CC Member
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Join Date: Jan 2005
Location: Hillsboro,
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Cobra Make, Engine: Scratch built CSX style frame, Carbon fiber body, 393 Stroker, T-bird IRS, T5
Posts: 1,623
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Not Ranked
First, you need to check to see if the engine was internally balanced or balanced with the normal 28 oz. flywheel and harmonic balancer. The machinist who did the work should be able to tell you.
Did the engine come with a 28 oz. flywheel?
If the engine was balanced for a 28 oz. imbalance, any 28 oz. flywheel and harmonic balancer you put on it should work fine and you shouldn't need to rebalance. Same with internally balance- if it has been done this way you can buy zero balance flywheel and harmonic balancer and be fine. The clutch and pressure plate shouldn't be an issue. I've never heard of needing to balance with the pressure plate except for on extreme high end race engines turning maximum revs.
Best bet is to check with the machinist who built the engine and have him explain it to you.- Bob
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