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8 Bolt Crankshaft with C5 Flex plate?

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Old 12-23-2016, 09:27 PM
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C5Natie
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Default 8 Bolt Crankshaft with C5 Flex plate?

I just realized that the LSA crank in my new motor is an 8 bolt crank. Therefore my stock flexplate wont bolt up to it. Does anyone know if you can bolt the torque tube coupler hub to an 8 bolt LSA/LSX flex plate? Based on the pictures I've seen it almost looks like it can be done.

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Old 12-23-2016, 11:20 PM
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Shoaf85
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RPM transmissions set me up with a custom flexplate they have made just for this application. Also from what I've "heard" a C7 flexplate will supposedly be a direct fit as well. Not sure if the C7 has an 8 bolt crank but I was told by someone that it works.
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Old 12-24-2016, 01:00 AM
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C5Natie
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Originally Posted by Shoaf85 View Post
RPM transmissions set me up with a custom flexplate they have made just for this application. Also from what I've "heard" a C7 flexplate will supposedly be a direct fit as well. Not sure if the C7 has an 8 bolt crank but I was told by someone that it works.
Thanks for the tip. Just looked at he the c7 one and man is it almost identical plus it is 8 bolt. I may buy one and test it. Found a used one for $120
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