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Stupid parts question! Really! - Printable Version

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Stupid parts question! Really! - slowpoke17 - 01-16-2019

When i bought my car it came with a few boxes of parts since the PO took it apart and didn't finish putting it back together. I'm going to admit up front I've been mainly a GM car guy. I don't ever remember seeing a car part like this. Is it part of the 73 Mustang or just some scrap that he needed to dispose of? I couldn't find it in any catalogs, service manuals etc. Can someone tell me what this? There is only one, I just included two pictures. 

[Image: IMG-0203.jpg]

[Image: IMG-0204.jpg]


RE: Stupid parts question! Really! - kcmash - 01-16-2019

I have not seen anything like that on a classic Mustang,  and I have torn down every year.

Does it have any type of part number on it?

Kcmash


RE: Stupid parts question! Really! - Don C - 01-16-2019

If I had to guess I would say it's a homemade vibration damper that was bolted on a differential or transmission.


RE: Stupid parts question! Really! - Hemikiller - 01-17-2019

Vibration damper that bolts to the rib on the underside of the C-4 tail housing. Not 71-73 Mustang related.


RE: Stupid parts question! Really! - mach71351c - 01-17-2019

Vibration damper from a pinto.


RE: Stupid parts question! Really! - slowpoke17 - 01-17-2019

Great, at least I now have an idea what its from and my zero knowledge of a Pinto or any other Ford for that matter explains that! New question now is the transmission sitting in my trunk a C4 from a Pinto and can it still be used? Will it still need this damper installed on a car that never had it?


RE: Stupid parts question! Really! - secluff - 01-17-2019

That is a driveline vibration dampener used on several  Ford and Mercury vehicles  to control driveline vibration/oscillation/harmonics. No 65-73 Mustang applications but strangely enough there is a one year listing for the 1968 Cougar with a 289/302 with a C4.
Basic number is 4A263 and was used for the rear axle and transmission dampener applications.
There is also no question that is stupid. We are all here to help each other and to learn something new everyday. We especially like to help the crossover GM folks to let them see what they have been missing!    Big Grin


RE: Stupid parts question! Really! - slowpoke17 - 01-17-2019

(01-17-2019, 10:10 AM)secluff Wrote: That is a driveline vibration dampener used on several  Ford and Mercury vehicles  to control driveline vibration/oscillation/harmonics. No 65-73 Mustang applications but strangely enough there is a one year listing for the 1968 Cougar with a 289/302 with a C4.
Basic number is 4A263 and was used for the rear axle and transmission dampener applications.
There is also no question that is stupid. We are all here to help each other and to learn something new everyday. We especially like to help the crossover GM folks to let them see what they have been missing!    Big Grin

Thank you everyone and Steve too for the GM reminder! I see the AF logo on your profile, I work (as a civilian) at Westover ARB with the C5's. Is it safe to say this transmission should also be fine in the Mustang without the damper attached?


RE: Stupid parts question! Really! - 73pony - 01-17-2019

Do you have any numbers off the trans to help identify it?


RE: Stupid parts question! Really! - Hemikiller - 01-17-2019

ID tag on a C-4 should be on the servo cover on the passenger side.

http://www.pigseye.com/sadie/trans/c4.htm

Worst case, I believe there should also be one on the valvebody.