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07-06-2007, 04:24 PM | #1 |
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HELP! What transmission is this?!?
does anyone know what transmission this is?!?
trans casting number- 3731811 Tail- GM15 3747458 Any help would be highly appreciated... THANK! |
07-06-2007, 04:30 PM | #2 |
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Re: HELP! What transmission is this?!?
to me it looks like a turbo 350..prolly from the late sixties or early seventys
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07-06-2007, 05:12 PM | #3 |
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Re: HELP! What transmission is this?!?
It is a manual transmission, I forgot to mention that. Is turbo350 a automatic?
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07-06-2007, 05:13 PM | #4 |
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Re: HELP! What transmission is this?!?
about all i can see in the picture is a cardboard box
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07-06-2007, 05:15 PM | #5 |
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Re: HELP! What transmission is this?!?
-
Here is a lighter version of the pic. It looks like a short tailstock Chevy three speed trans. After looking at it again I think it is a standard length instead of a short one. Anyway, it is a three speed. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - Last edited by LockDoc; 07-06-2007 at 05:20 PM. |
07-06-2007, 05:16 PM | #6 |
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Re: HELP! What transmission is this?!?
TH 350, and the power gluide both have basically square pans. The TH 400 has a pan that looks like the state of texas after a 6 pack. The TH 350 has its vacuum mod on the drivers side of the body, while the TH 400 has it on the pass side and forward. With the long tail, it looks like a TH 350 or a power gluide to me. The TH 400 is more stubby on the tail shaft.
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07-06-2007, 05:19 PM | #7 |
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Re: HELP! What transmission is this?!?
No. The TH 350 is an automatic trany. Nice pic.
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1971 cheyenne k10 4 speed np 205 454 BB factory a/c Never drink down stream of the herd! Eric |
07-06-2007, 05:31 PM | #8 |
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Re: HELP! What transmission is this?!?
Hade A Few People look at it its seems it is 3 speed short
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07-06-2007, 06:05 PM | #9 |
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Re: HELP! What transmission is this?!?
[QUOTE=eedgell;2253161]TH 350, and the power gluide both have basically square pans. The TH 350 has its vacuum mod on the drivers side of the body....<----not necessarily always true.. i have a 79 th350 out of a impala/caprice that is on the passenger side (mod)...
it is a manual, they made so many such as these: Muncie....Saginaw....Borg Warner check this link, it may help you identify: http://www.chevcarclubvic.org.au/tec...tification.htm
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07-06-2007, 06:13 PM | #10 |
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Re: HELP! What transmission is this?!?
Sorry for the horrible pic guys...
Another quick question-what type (muncie, saginaw, etc) is it? We run saginaw's in our race cars, and it looks nothing like them. When we removed the transmission/engine, we tried to put a yolk (sp?) in the tail so it didnt leak oil. The yolk fits our saginaw's, but not this one? I guess i'll have to pull it apart and check teeth. Thanks guys |
07-06-2007, 06:35 PM | #11 |
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Re: HELP! What transmission is this?!?
Ok. Get me on the bad pic. The TH 400 still has a pan that looks like the state of texas after a 6 pack. This is a 3 speed manual..... coool! Give us more to work with.
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1971 cheyenne k10 4 speed np 205 454 BB factory a/c Never drink down stream of the herd! Eric |
07-06-2007, 06:40 PM | #12 | |
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Re: HELP! What transmission is this?!?
Quote:
The muncie reverse lever is in the extention housing, and the cover has 7 bolts. The Saginaw reverse shift lever is on the cover, and the cover has 7 bolts. The Borg Warner has a 9 bolt cover. Muncies are the hot tip, since they usually were used with high performance engines. Again on the muncie, and looking at the cover, 3rd/4th gear lever is on the left. 1st/2nd gear lever is on the right. Further Muncie identification 3 Muncie 4 speeds were offered. The M-20 wide ratio, the M-21 close ratio, and the "Extra heavy duty close ratio" M-22, also known as the "Rock Crusher". The M-22 was generally installed behind severely powerful (high torque) big-block engines. The M-22 is distinguished from an M-21 by the angle of the gear teeth. The M-22 has "straight cut" gears. Due to this, the box tends to be noiser (whines or howls almost like a blower, which is why it's called a "rock crusher") than other boxes. The M-21 has a higher pitch angle on its gear teeth. The close ratio gearboxs generally came with 3.73+ gear ratio'ed cars. 3.55 geared and higher (numerically lower) cars used the wide ratio gearbox. Due to the wide combination of id's, stampings, numbers, etc... varied and even GM couldn't keep track of what was what, it's best to ID your gearbox visually, taking what is stamped on the box FWIW. The best way to ID the transmission is to count teeth.
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07-06-2007, 07:11 PM | #13 |
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Re: HELP! What transmission is this?!?
it is a sag, its a truck and ****ty car 3spd throw it away and look for a real tranny.
they are slow shifting, poorly geared and generanly a waste of time. |
07-06-2007, 07:35 PM | #14 |
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Re: HELP! What transmission is this?!?
k2c1959: You must have cat eyes to see all of this. Or you are watching the thread unfold. I appreciate what you are saying, but...... pioneers take the arrows on this one.
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1971 cheyenne k10 4 speed np 205 454 BB factory a/c Never drink down stream of the herd! Eric |
07-06-2007, 07:49 PM | #15 |
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Re: HELP! What transmission is this?!?
I am thinking Saginaw, too. I had a 4-speed version that came from a Vega, I think, that ended up behind the 229V-6 in my '81 El Camino. More fun than the 3-speed that came out, but no Muncie for sure.
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07-06-2007, 08:28 PM | #16 |
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Re: HELP! What transmission is this?!?
Thats an Early Muncie 3spd (non syncro 1st gear). Check the 4 bolt side cover......not much of a trans , as in do not abuse it ! crazyL
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