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Mercruiser VS GM 502 flywheel

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Old 03-18-2022, 08:02 AM
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Default Mercruiser VS GM 502 flywheel
Hello,
Is their a difference between a GM performance and Mercruiser gen V1 502 the GM is half the price.
Thanks for any input.
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Old 03-18-2022, 08:31 AM
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Originally Posted by Zinger
Hello,
Is their a difference between a GM performance and Mercruiser gen V1 502 the GM is half the price.
Thanks for any input.
Is the GM one your pricing billet?
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Old 03-18-2022, 08:35 AM
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pretty sure the Merc gen VI is externally balanced so make sure you get the right one,
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Old 03-18-2022, 09:20 AM
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Originally Posted by F-2 Speedy
pretty sure the Merc gen VI is externally balanced so make sure you get the right one,
There 2 different GM externally balanced flywheels on the GEN VI. They are NOT interchangeable.



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Old 03-18-2022, 09:34 AM
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Originally Posted by Zinger
Hello,
Is their a difference between a GM performance and Mercruiser gen V1 502 the GM is half the price.
Thanks for any input.

Chevrolet Performance 14096987

  • Mercury-Mercruiser 230-843374T1 FLYWHEEL (also see pic below of which merc motors used on)
Same.
https://www.perfprotech.com/flywheel...product/243097



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Last edited by SB; 03-18-2022 at 09:42 AM.
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Old 03-18-2022, 09:36 AM
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Originally Posted by GLENAMY 242SS
There 2 different GM externally balanced flywheels on the GEN VI. They are NOT interchangeable.
One is for cast cranks other for forged. 502’s only come forged cranks. 454’s where made with either depending on engine model.
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