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Car Forum / Ford / Ford Cars / August 2008c4 identification troubles
I have a 66 mustang with a 289 and a c4. I'm getting ready to rebuild the c4 but I'm getting alittle confused with the identifing marks. The casting number on the tail piece of the tranny is c7op-7a040, if i've done my research right this should be a 67 c4 off a fairlane/torino. Now where i'm getting confused with is the 5 bolt bell housing and 24 spline input shaft. I thought I had read that those should be on a 66 and earlier c4 where in 67 ford went to a 6 bolt bellhousing and a 26 spline input shaft. There is a metal tag on the tranny with PEA M1 and underneath that is C9APABM4. Another number is on the pump cover which is C6AP-7D027-C. It is an aluminium bellhousing with casting number RF-C5AP-7976-B. Any help with the numbers to find out what it really is would be great. You have a mongrel, there. It looks like you have a Mustang with an earlier than '66 289, & a transmission that was rebuilt/exchanged probably in the early '70s when it was just an old car that someone needed a transmission replacment for. I cross-posted this to rec.autos.makers.ford.mustang so the real Mustng guys might be able to help out. Rob > I have a 66 mustang with a 289 and a c4. I'm getting ready to rebuild > the c4 but I'm getting alittle confused with the identifing marks. The [quoted text clipped - 8 lines] > RF-C5AP-7976-B. Any help with the numbers to find out what it really > is would be great. > You have a mongrel, there. > > It looks like you have a Mustang with an earlier than '66 289, & a > transmission that was rebuilt/exchanged probably in the early '70s when > it was just an old car that someone needed a transmission replacment No. the eng. and trany change was a running change made in 67. You could have had either depending on build date. KB for. > I cross-posted this to rec.autos.makers.ford.mustang so the real Mustng > guys might be able to help out. [quoted text clipped - 13 lines] >> RF-C5AP-7976-B. Any help with the numbers to find out what it really >> is would be great.  SignatureThunder Snake #9 "Protect" your rights or "lose" them. >>You have a mongrel, there. >> [quoted text clipped - 4 lines] > No. the eng. and trany change was a running change made in 67. You could > have had either depending on build date. KB Ahh, I'm pretty sure by '66 all the bellhousings were the larger 6 bolt... this I am aware of. Rob > for. > [quoted text clipped - 24 lines] >>>RF-C5AP-7976-B. Any help with the numbers to find out what it really >>>is would be great. So a C4 is a C4 is a C4 isn't necessarily the case? My problem is this... I have a '65 six cylinder coupe that does not have the original engine, it currently has a '67 six cylinder but I believe the C4 tranny was from the original '65. Now the tranny is slipping. I got a C4 tranny but my mechanic says it won't bolt up to the '67 engine. I figured it was just the bellhousings - this new tranny was in a V8. Any help would be appreciated - what I need to look at to line up the engine I have with And anyone in southern Ontario or upstate NY have a good C4 tranny for sale? And can guarantee it will bold onto a '67 6 cylinder? Thanks. Andrew > >>You have a mongrel, there. > >> [quoted text clipped - 38 lines] > >>>RF-C5AP-7976-B. Any help with the numbers to find out what it really > >>>is would be great. pre 65 had a 5 bolt bellhousing. after 65 had a six bolt bell housing. the transmission is the same for both. just unbolt the bellhousings, and put the good trans on the bellhousing you need. > So a C4 is a C4 is a C4 isn't necessarily the case? > [quoted text clipped - 59 lines] >> >>>RF-C5AP-7976-B. Any help with the numbers to find out what it really >> >>>is would be great. > pre 65 had a 5 bolt bellhousing. after 65 had a six bolt bell housing. > the transmission is the same for both. just unbolt the bellhousings, [quoted text clipped - 65 lines] >>> >>>number RF-C5AP-7976-B. Any help with the numbers to find out >>> >>>what it really is would be great. You need to be sure that both are from a floor shift car if that is what you have now. other wise you will have to change the shift lever. KB Hi Tom, Kevin, Thanks for your input. I went to the shop today - the tranny that was in my stang is a 5-bolt. But this engine is from a '67 Mustang. My mechanic says I should only look for a C4 for an inline six, and not get one that was in a V8. Damn, had a line on a C4 but it is from an early 70s Ford with a 302. Anyone in southern Ontario got what I need? I'm fast running out of good Canadian weather in which to drive! Thanks. Andrew > > pre 65 had a 5 bolt bellhousing. after 65 had a six bolt bell housing. > > the transmission is the same for both. just unbolt the bellhousings, [quoted text clipped - 68 lines] > You need to be sure that both are from a floor shift car if that is what > you have now. other wise you will have to change the shift lever. KB > Hi Tom, Kevin, > [quoted text clipped - 90 lines] >> what you have now. other wise you will have to change the shift >> lever. KB Get the one from the V8. it will work fine. and be stronger too. KB it ain't stock. the last year for the 5 bolt bell was 64, with some holdouts in the early 65 model year. by mid 65, all were 6 bolt bells and blocks. |
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