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Old May 9, 2003 | 10:34 PM
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Polkat's Avatar
Polkat
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Weird flexplate??

Picked up a C4 from a '77 Granada, with flexplate and spacer today to install in my '73 F-100 302 with manual. The C4 looks nice and does not appear to have ever been removed, though I plan to rebuild it).

But...to my surprise, the flexplate was stamped "AOD!" It's got 164 teeth and "appears" to be 28 ounce, so here's my question:

The car was in a junkyard with a rear/side impact rendering it totalled, and as I've said, the tranny appeared to be the original install (uncut exhaust pipes, etc.) and the engine was a 351W.

So...why would an AOD flexplate be found in a '77??? Didn't they start using the AOD's in the eighties?

My concern is in reusing it. It looks fine, but is there a way to tell visually if it's a 28 ounce weight bob? Thanks. Polkat
 
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Old May 10, 2003 | 08:02 AM
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Mark Kovalsky
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Weird flexplate??

The first AOD was in the 1978 model year, so they were produced in the middle of 1977.
 
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Old May 10, 2003 | 11:59 AM
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Polkat
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Weird flexplate??

Okay, that would tend to explain it, but was it common in the beginning to put AOD flexplates in front of C4's?

Ahh, well. As long as it works!
 
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