64 T-5 Tranny swap

The Era of The Square Body Racing Comets
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Benny
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Joined: Sat Jan 12, 2019 11:06 am

64 T-5 Tranny swap

Post by Benny »

Hello All
I recently bought a T-5 transmission to bolt onto my 289. I'm almost ready to yank the stock 260 & 3 speed tranny out. My question is will this 5 speed fit without a lot of hacking.... ??

lavron
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Re: 64 T-5 Tranny swap

Post by lavron »

Benny wrote:
Sun Oct 18, 2020 1:42 am
Hello All
I recently bought a T-5 transmission to bolt onto my 289. I'm almost ready to yank the stock 260 & 3 speed tranny out. My question is will this 5 speed fit without a lot of hacking.... ??
Benny someone will come along with a definitive answer soon but a few things they will want to know is what the T5 came from and what is the bolt pattern on the 289, I am not sure if the 289 can be a 5 or 6 bolt motor, I think most modern bell housings are 6 bolt and if that is what you have then it should be a fairly straight forward swap.

Anyway, you will need to have the information on hand at a minimum.

See Ya,
Mike
64 Comet 202 Sedan, My first car, I have owned it since 1979!
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Performance rebuild on a BUDGET - Installed; 250-6, T-5, 8.8 LSD, MII, Air Ride - Whatever I do it will be awesome!

popscomet
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Joined: Sat Jan 01, 2011 10:19 pm
Location: Jacksonville, Arkansas

Re: 64 T-5 Tranny swap

Post by popscomet »

A 5bolt BH takes the narrow bolt pattern.....if your tranny does not have both sets of holes per ear...you have a problem...I have a T5 in my 84 5.0 capri but it's been so many yrs since we built it,I can't recall if it has both holes on it or not......pop
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redhotcomet
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Re: 64 T-5 Tranny swap

Post by redhotcomet »

If you use a Mustang T5 like I did, you’ll have to cut a hole for the shifter and there is a cross brace under the floor there. Plenty of people have cut it without trouble. The shifter location is good with bucket seats. If you have a bench you way want to use an S10 tailshaft which moves the shifter ahead. Other than that you will need a trans support crossmember. I built my own.
1964 Caliente hardtop, 302/T5/8.8"

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