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paul2748 (8/2/2020)
Just a question - is there any advantage to a cruiso over a C4. Neither are O/D's and it seems to me that using a C4 is easier to do. I put a C4 in my 56 Bird. junkyardjeff (8/2/2020)
I am going through this with my 55 and this is what I am doing,I am using a 62 COM that bolts to the 55 bellhousing along with the 62 torque converter and flywheel and will use a 67 or 70 FMX valve body to get the D21 shift pattern. I am still in the parts gathering stage and the only thing done is the 55 bellhousing is bolted to the 62 trans and after I get the 62 flywheel I will see how everything goes togather. I have damaged more C-4s then I have the COM/FMX trans,my 55 presently has a C-4 behind a 351-W and I managed to hurt 3rd gear on a trip to Florida.
Butchering up everything I can get my hands on in Dayton Ohio
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I have an early C4 in my 48 Ford (modified 302) for 30 + years and only had one shifting problem. Lots of mileage on it too.
54 Victoria 312; 48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ
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Getting back to the original posting... It's interesting how many times I've seen references to Fordomatics/ Mercomatics as " 2 spd" transmissions. The're not, they are a 3 spd. (prior to 1959 if I have it correct) I think that some owners don't understand how they can be driven as a 3 spd..
Paul
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Yes I hear that all the time,I just recently found out they would start out in first with the pedal to the metal. PF Arcand (8/15/2020)
Getting back to the original posting... It's interesting how many times I've seen references to Fordomatics/ Mercomatics as " 2 spd" transmissions. The're not, they are a 3 spd. (prior to 1959 if I have it correct) I think that some owners don't understand how they can be driven as a 3 spd..
Butchering up everything I can get my hands on in Dayton Ohio
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anybody ever try to make their own c4 kit.it doesnt seem to be that hard but i never had a need to do it.
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I guess the most expensive part of the kit that is sold is the bellhousing/adapter which is cast aluminum
54 Victoria 312; 48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ
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many years ago jerry made his own kit for a c4 in his 56 blackbird.it wasnt that hard.
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I adapted a C-4 to a flathead for my '33 pickup street rod. However, at the time I was working and they had machine tools I could use. Still it wasn't a big deal, I could probably do it again with the meager machinery I own.
John - "The Hoosier Hurricane"
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"Jeff" : Yes, a Fordomtic can be used as a 3 spd by slamming it to the floor, but I'm not recommending doing that.. ( I never do that ).. Here's the method; " Start out with low range engaged, to at least 25 mph, shift quickly to Drive & immediately pull it back into low range..now you are in 2nd & it's holding! It will stay in 2nd to any reasonable RPM's, then you can shift up to Drive ... One cautionary note, if you decide to decelerate while still locked in 2nd, kick it back into drive before it drops to under 25mph, to avoid the trans slamming down into low... Now, it's actually a "3 spd", not a 2 spd...
Paul
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PF I learned to that when I started driving my moms in 1959. The trouble with doing that it’s a pain in the a**. As you said you need to keep the speeds up or it will drop gears or go from 1st to 3rd. There are some trans guru’s who know how to make them act like a CruiseOmatic but I put in a CruiseOmatic instead.
The trans guy who did mine asked if I wanted a D21 or the “green dot” style that could start in 2nd.
56 Vic, B'Ville 200 MPH Club Member, So Cal.
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