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Can you interchange a 302 flywheel with a 351W? And I guess while I am asking I need some reassurance that a small bolt pattern C-6 from a 302 will bolt up to a 351W.
 

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The 302 + 351 flexplates as long as you have matching balance weights will work.Just something to be aware of is ,be careful if you are using the c6 that you use a c6 flexplate and not a c4 and vice versa.
The reason is the c6 +c4 f/plate are different depths.The c6 plate is a little deeper than a c4.If you measure the convertor depth before it's installed and be sure you have the correct clearance you should be ok.
 

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If its a standard flywheel you're swapping make sure the flywheel size matches your bellhousing as the 351 may have a bigger bellhousing,compare your flywheels if you have both.Also the 351 is the old style 28 oz balance so make sure you don't use a 5.0 flywheel.
 
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