390 4-speed
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390 4-speed
okay i have a 78 f100 with a 302 and a 3-spd collum shift also i have a 74 f250 with a 390 backed by a c-6 i plan on putting the 390 in the 78 model but i want to change the c-6 to a 4-speed what is a good four speed four the 390 the truck i'm putting it in has a 9inch rear end with 3.00 gears
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From: waco
I have a 73 F100 that had a 390/4 speed / 3:00 gears. My 4 speed was a new process grand ma. It was ok. I think the Borg warner T19 Acase would have worked better. That top loader is an option, how ever you will have a hard time finding a shifter and the top loader is a very expensive transmision and hard to find. That C6 would probably be the best choice unless you just have to have a standard. If the standard is mandatory, go for the T19. It's a big tranny like a grand ma, but the 1st gear is synchronized and higher than grand ma. If you get the B/W make sure to get the "A" case. The others have regular grand ma gears.
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Check this out for toploaders:
http://www.4speedtoploaders.com/
Note he does a couple of shifter locations for different cars and trucks.
Like said, it ain't cheap.
You probably want a car bellhousing--I hear truck bellhousings are deeper.
Check the threads around here for other links to tranny sites.
http://www.4speedtoploaders.com/
Note he does a couple of shifter locations for different cars and trucks.
Like said, it ain't cheap.
You probably want a car bellhousing--I hear truck bellhousings are deeper.
Check the threads around here for other links to tranny sites.
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