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  '64 1/2 to '73 -- The Classic Mustang
  302 vs 351C bellhousing

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Author Topic:   302 vs 351C bellhousing
bluetech
Gearhead

Posts: 254
From: Far and Away
Registered: Feb 2001

posted 12-10-2001 09:25 PM     Click Here to See the Profile for bluetech   Click Here to Email bluetech     Edit/Delete Message   Reply w/Quote
Will the bellhousings from a '72 302 FMX and a '73 351C FMX interchange? Thanks.

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SteveLaRiviere
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Posts: 33988
From: Saco, Maine
Registered: May 99

posted 12-10-2001 09:31 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Yes, but keep in mind the 351C uses the larger 164 tooth flexplate, and the 302 uses the 157 tooth.

You can interchange them {pre-'82} as long as you use the small flexplate with the small bellhousing and vice versa.

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Rustang
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Posts: 504
From: Clarion PA
Registered: Nov 2000

posted 12-10-2001 09:38 PM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote
Steve,
I could be wrong, but I think the large flex plate will bolt onto the 302. The corresponding bellhousing will have to be used too. (Be sure to use the bellhousing that accepts the 164 tooth flex. I don't think you can use the small flex with large bell because the starter will not engage).
Since it's an early block, the balance should be okay.

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Moneymaker
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Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 12-11-2001 11:53 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Remember that MOST post 1968 302's came with 164 tooth flywheels and the larger bell housings so it may not be an issue.

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Daniel Jones
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Posts: 500
From: St. Louis, MO
Registered: Aug 99

posted 12-11-2001 12:00 PM     Click Here to See the Profile for Daniel Jones   Click Here to Email Daniel Jones     Edit/Delete Message   Reply w/Quote
Also, there may be a problem with the starter. The 164 teeth flywheels have the ring gear in a different place than the 157 versions. I think the 164 flexplates are the same as the 157 version (as far as ring gear placement). Also if you run a full size starter and a 157 teeth flywheel or flexplate, the starter may contact the oil pan rail so you may want to roll the pan rail back for clearance or run a smaller starter.

Dan Jones

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Daniel Jones
Gearhead

Posts: 500
From: St. Louis, MO
Registered: Aug 99

posted 12-11-2001 12:02 PM     Click Here to See the Profile for Daniel Jones   Click Here to Email Daniel Jones     Edit/Delete Message   Reply w/Quote
The starter rub issues mentioned above is with 351C's. Not sure if that was clear.

Dan Jones

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bluetech
Gearhead

Posts: 254
From: Far and Away
Registered: Feb 2001

posted 12-24-2001 06:05 PM     Click Here to See the Profile for bluetech   Click Here to Email bluetech     Edit/Delete Message   Reply w/Quote
Thanks a lot guys!

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