904 transmission id help

[hdroyals]

i have the trans out of my 1965 barracuda which i think is original but i don't know how to read the numbers. purchased a 1978 318 out rv and was planning on using the 727 that came with it but now i am wanting to rebuild my 904 so i can use original shifter. just wondering if trans is 1965 and if it will work with the newer 318 or should i use the 727 it will be going in the 1965 barracuda

thanks for any help

 

[slantsixdan]

2466 123 is indeed an A904 for a '65 273 A-body, so whether or not it's the original transmission to your car, it's the correct kind for it. Yes, it'll work fine behind the later engine, but you'll need a 1/8" spacer ring to fill the space between the '67-up crankshaft's large counterbore and the '66-down torque converter's small nose. You can't just put a later torque converter in the early trans; the pump drive splines (etc) are different. You can do it with some parts swapping, but it's easier to just get the spacer ring. You can get it from Torqueflite specialist Pat Blais, (206) 365-1966, who can also sell you all the stuff you need to rebuild and beef up your '65 904.

While you are at it, a nice, sturdy new deep pan with unwarped rails can be had as Chrysler part № 52118 779AD, and they even include a spiffy magnet to catch metallic shavings. Save yourself a bunch of current and future hassle: Discard the floppy cork or rubber pan gasket that comes with the filter kit (remember, your '65 trans needs a 2-port filter, not the '66-up 1-port filter). Fetch Chrysler's own really nice double-seal, reusable rigid pan gasket № 4295 875AC.

 

[hdroyals]

2466 123 is indeed an A904 for a '65 273 A-body, so whether or not it's the original transmission to your car, it's the correct kind for it. Yes, it'll work fine behind the later engine, but you'll need a 1/8" spacer ring to fill the space between the '67-up crankshaft's large counterbore and the '66-down torque converter's small nose. You can't just put a later torque converter in the early trans; the pump drive splines (etc) are different. You can do it with some parts swapping, but it's easier to just get the spacer ring. You can get it from Torqueflite specialist Pat Blais, (206) 365-1966, who can also sell you all the stuff you need to rebuild and beef up your '65 904.

While you are at it, a nice, sturdy new deep pans with unwarped rails for the can be had as Chrysler part № 52118 779AD, and they even include a spiffy magnet to catch metallic shavings. Save yourself a bunch of current and future hassle: Discard the floppy cork or rubber pan gasket that comes with the filter kit (remember, your '65 trans needs a 2-port filter, not the '66-up 1-port filter). Fetch Chrysler's own really nice double-seal, reusable rigid pan gasket № 4295 875AC.

thank you for the info

 

[BillGrissom]

I bought the adapter ring from a member here (Charrlie_S or such) a few years ago for ~$20. Engines changed to the bigger crank snout hole ~1967 or 68, both small blocks and slants. People say you only need to swap the front shaft to use the later torque converter in your 65 tranny (then don't need adapter ring). I have never done so.