521/C6 Flexplate recommendations - 460 Ford Forum
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post #1 of 3 (permalink) Old 09-06-2018, 10:48 PM Thread Starter
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521/C6 Flexplate recommendations

I installed new 521 BBF wiith Hays SFI flexplate mated to a C-6. I am having starter issues. I have tried three different starters and it's not happy. I believe it's the flexplate not syncing well with Starter. I am using a Hays SFI flexplate. I have a CVR gear reduction starter (second one). Anybody had starter and flexplate compatibility issues? Starter is making horrible noises. Like its working too hard

Also need a suggestion on good replacement flexplate. Looking at ATI, TCI and others. Car has around 1,000 hp with Vortech blower and we do a little drag racing but mostly street car

Thanks

Buck
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post #2 of 3 (permalink) Old 09-07-2018, 12:35 AM
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Quote:
Originally Posted by probolt64 View Post
I installed new 521 BBF wiith Hays SFI flexplate mated to a C-6. I am having starter issues. I have tried three different starters and it's not happy. I believe it's the flexplate not syncing well with Starter. I am using a Hays SFI flexplate. I have a CVR gear reduction starter (second one). Anybody had starter and flexplate compatibility issues? Starter is making horrible noises. Like its working too hard

Also need a suggestion on good replacement flexplate. Looking at ATI, TCI and others. Car has around 1,000 hp with Vortech blower and we do a little drag racing but mostly street car

Thanks

Buck
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post #3 of 3 (permalink) Old 09-07-2018, 03:50 AM
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Have you measured the starter to flexplate clearance ?
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