How do I ID my tranny?

71grande · 07-21-2002, 07:14 PM

I need to identify what type of tranny I have, but I have no idea how. I know it is a three speed auto and is bolted up to a 351c 2v.

I have been told it is either a c6 or an AOD. I have no idea which if it even IS one of these.

Mike

Rev · 07-21-2002, 07:49 PM

For sure not an AOD. That's an automatic overdrive in late models. It'll be a C-4, C-6, or a FMX.

Rev

Rev · 07-21-2002, 08:02 PM

My trusty old Chilton's Mustang Manual says it came with an FMX in the '71 351C 2V.

Rev

71grande · 07-21-2002, 08:33 PM

Hee hee. Why dont you take a little longer to reply there Rev!

Thanks for the answer. now I am off to a Tranny shop to see how much to re-build this sucka.

Mike

Rev · 07-22-2002, 07:09 PM

It took me 10 minutes to find my Chilton's Mustang manual and another 2 minutes to look it up...............and then I don't ype really very fast either. LOL.

Rev

71grande · 07-22-2002, 08:29 PM

well Kragen autoparts wants 645.00 for a re built tranny. I was expecting more... tomorrow the local tranny repair shop will be open. wonder how much itll cost to fix my current one?

Mike

Rev · 07-22-2002, 08:37 PM

Not too sure about San Clemente, but I found a small Mexican trans shop here in Houston that did my C-4 for $250 including all rebuild parts and included a new torque converter. That was carry in/carry out of course. I'd look around a little, maybe ask shops that you do business with who does their tramission rebuilds for them. That's how I found my guy. The FMX will probably be more than my C-4 for both parts and labor.

Rev

07-21-2002, 07:14 PM	#1
71grande Registered Member Join Date: Jul 2002 Location: San Clemente CA. Posts: 85	How do I ID my tranny? I need to identify what type of tranny I have, but I have no idea how. I know it is a three speed auto and is bolted up to a 351c 2v. I have been told it is either a c6 or an AOD. I have no idea which if it even IS one of these. Mike __________________ A great man once told me, "..." Well any way I guess that he wasn't that great. My garage: 1971 Mustang Grande, MSD6A, 625 Road Demon JR, Edelbrock Performer manifold, Hopes and Dreams... 1970 Norton 750 Commando 1993 Saturn SC2. The wifeys. fuzzy dice and all.

07-21-2002, 07:49 PM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	For sure not an AOD. That's an automatic overdrive in late models. It'll be a C-4, C-6, or a FMX. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

07-21-2002, 08:02 PM	#3
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	FMX My trusty old Chilton's Mustang Manual says it came with an FMX in the '71 351C 2V. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

07-21-2002, 08:33 PM	#4
71grande Registered Member Join Date: Jul 2002 Location: San Clemente CA. Posts: 85	Hee hee. Why dont you take a little longer to reply there Rev! Thanks for the answer. now I am off to a Tranny shop to see how much to re-build this sucka. Mike __________________ A great man once told me, "..." Well any way I guess that he wasn't that great. My garage: 1971 Mustang Grande, MSD6A, 625 Road Demon JR, Edelbrock Performer manifold, Hopes and Dreams... 1970 Norton 750 Commando 1993 Saturn SC2. The wifeys. fuzzy dice and all.

07-22-2002, 07:09 PM	#5
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	It took me 10 minutes to find my Chilton's Mustang manual and another 2 minutes to look it up...............and then I don't ype really very fast either. LOL. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

07-22-2002, 08:29 PM	#6
71grande Registered Member Join Date: Jul 2002 Location: San Clemente CA. Posts: 85	well Kragen autoparts wants 645.00 for a re built tranny. I was expecting more... tomorrow the local tranny repair shop will be open. wonder how much itll cost to fix my current one? Mike __________________ A great man once told me, "..." Well any way I guess that he wasn't that great. My garage: 1971 Mustang Grande, MSD6A, 625 Road Demon JR, Edelbrock Performer manifold, Hopes and Dreams... 1970 Norton 750 Commando 1993 Saturn SC2. The wifeys. fuzzy dice and all.

07-22-2002, 08:37 PM	#7
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	Not too sure about San Clemente, but I found a small Mexican trans shop here in Houston that did my C-4 for $250 including all rebuild parts and included a new torque converter. That was carry in/carry out of course. I'd look around a little, maybe ask shops that you do business with who does their tramission rebuilds for them. That's how I found my guy. The FMX will probably be more than my C-4 for both parts and labor. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

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