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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / July 2006AOD for 1970 Cougar
I think i know the answer but worth asking if I am wrong. Will a tranmission from a 1984 Mercury Grand Marquis (assuming a 302 but not sure yet) fit a 1970 Cougar with 351c (currently an FMX tranny). I assume not but for $100 it's worth asking. Thanks, bobby > I think i know the answer but worth asking if I am wrong. Will a > tranmission from a 1984 Mercury Grand Marquis (assuming a 302 but not sure > yet) fit a 1970 Cougar with 351c (currently an FMX tranny). I assume not > but for $100 it's worth asking. 351C and 302W have the same bolt pattern. If GM has a 302, it will bolt up, but you will have to fabricate linkages and have a new driveshaft made. This tranny will NOT bolt up to the 351M that is quite often mistaken for the 351C. (Your car should not have the 351M from the factory) All linkages from the AOD tranny must be hooked up and working or premature tranny faulure will result. I would not recommend this swap for a first-timer without some knowledgeable help. BTW, I have a bone stock '71 Cougar with a 351C and a C6. Not sure if the AOD would last too long if stressed tested in my car....... bob wrote: > I think i know the answer but worth asking if I am wrong. Will a > tranmission from a 1984 Mercury Grand Marquis (assuming a 302 but not sure > yet) fit a 1970 Cougar with 351c (currently an FMX tranny). I assume not > but for $100 it's worth asking. 351C and 302W have the same bolt pattern. If GM has a 302, it will bolt up, but you will have to fabricate linkages and have a new driveshaft made. This tranny will NOT bolt up to the 351M that is quite often mistaken for the 351C. (Your car should not have the 351M from the factory) All linkages from the AOD tranny must be hooked up and working or premature tranny faulure will result. I would not recommend this swap for a first-timer without some knowledgeable help. BTW, I have a bone stock '71 Cougar with a 351C and a C6. Not sure if the AOD would last too long if stressed tested in my car....... I'm the one selling the AOD tranny for $100; it did come off a 302 V8. Best Regards, John Hermann |
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