Thread: Need help quick - 47 merc flattie??

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is not the early ford 1980s automatic just a od c4. from what i know about flatheads it may like a od tranny as opposed to a 3 spd auto.

thanks for the input guy's. i am putting this motor into a 27 T roadster so it will be light. Also will be doing heads and a 3x2 intake. I too like the idea of shifting but with very little leg room, it may make more sense to go auto. I really need to wait until i get the frame close to being done before I can see how much room I have. If I do keep a stick I will probably go with a T5 just for crusing. The flatty would probably prefer an AOD

Originally Posted by canadianal

is not the early ford 1980s automatic just a od c4. from what i know about flatheads it may like a od tranny as opposed to a 3 spd auto.

Not all the 80's autos had OD some are just c4's (basically). i have one of each in the shop that I could use.

I agree with Rrumbler, I had a '47 Ford convert. way back when and the 3 speed will not hold up long driven by a 17 year old kid. I went through three of the trans in a little over a year and it wasn't the low-to-second shift that did it, it was revving it to the max in low gear and hitting some little bump. Sure restorers will baby their pet machine and get them to live forever but it is pretty easy to break teeth out of low gear with a heavy foot (then where does the chipped tooth fragment go???).

Don Shillady
Retired Scientist/teen rodder

Originally Posted by Don Shillady

I agree with Rrumbler, I had a '47 Ford convert. way back when and the 3 speed will not hold up long driven by a 17 year old kid. I went through three of the trans in a little over a year and it wasn't the low-to-second shift that did it, it was revving it to the max in low gear and hitting some little bump. Sure restorers will baby their pet machine and get them to live forever but it is pretty easy to break teeth out of low gear with a heavy foot (then where does the chipped tooth fragment go???).

Don Shillady
Retired Scientist/teen rodder

Yeah I've heard that about the 3spds.... i actually plan to drive this car....and I'm just not the type to baby it.