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Late model flywheel vs early model

85k5dsl

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Is there away to tell the difference between a early model SBC flywheel vs a later (newer) ?

Thanks,
 
i thought the only diffrence was internal or external balance?

In wich case the the internal balance has nothing on it, external has some weights welded to it.
 
As in 1piece vs. 2piece seal engine .

The bolt holes are closer together on the 1 piece flywheel and there should be a big area where a cast in weight because of balancing.
 
As in 1piece vs. 2piece seal engine .

The bolt holes are closer together on the 1 piece flywheel and there should be a big area where a cast in weight because of balancing.

Flywheel or flexplate?

Correct 1 pc vs 2 pc seal and I'm talking flywheel not flex plate. So it sounds like if the bolt spacing is different than it is a no brainer. Thanks for all the input. :thumb:
 
Correct 1 pc vs 2 pc seal and I'm talking flywheel not flex plate. So it sounds like if the bolt spacing is different than it is a no brainer. Thanks for all the input. :thumb:
Yep they changed the spacing so you can't go wrong.:waytogo:
 
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