| Username | Post: how to ID a trans (Topic#291832) |
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59fins
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| 01-08-13 07:23 AM - Post#2305121
Was curious where and how to identify what transmission I took out of my car, I've listed my auto console, shifter ,floor hump, new inserts for the console, linkage,kick down w/new harness for quadrajet, drive shaft (new rebuilt one) and the turbo 400 on Cragslist, hoping to sell as a package. Whats a fair price to ask for such a package. hoping to sell locally so I don't have to ship.
I know my car was originally a power glide, how do I determine what year etc. that the t-400 transmission is out of? I gave it a quick look over not seeing and stampings, but I am not sure what Year or what model it it came from, surely there are date codes and application markings somewhere, not sure where to look for them, and probably a website than can tell me, any help would be appreciated.
Edited by 59fins on 01-08-13 07:31 AM. Reason for edit: No reason given.
| WarrenL
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| 01-08-13 04:21 PM - Post#2305268
In response to 59fins
First thing to look at is the metal tag on the side of it. That will tell us the year and application.
| 59fins
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| 01-09-13 06:18 AM - Post#2305427
In response to WarrenL
Warren I don't see a metal tag, did find a stamping to the rear top center, arrow pointing to it. but no metal tag, does that just mean it's a mystery t-400?
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| astrojet427
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| 01-09-13 08:57 AM - Post#2305470
In response to 59fins
Bill the tag has probably been discarded. On mine it is on the passenger side just above the pan seal if I remember. About 1 1/2' round in diameter with yellow paint and stampings.
Kinda odd that they used a tag on TH400s, but engine blocks, muncies and axles cases were actually stamped. Don't know much else, but maybe there are some casting dates somewhere.
1967 Impala SS. 327-Turbo 400; 12 bolt-3.55 gears. A few photos of my '67.
1972 Corvette Convertible Mille Miglia Red 4 speed.
1963 Cadillac Eldo-Triple Black. |
| Blu 67
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| 01-10-13 09:29 PM - Post#2306035
In response to 59fins
Check this web site. You might identify it by the transmission pan
http://www.nastyz28.com/chevy-transmission-id entif...
Cliff
| 67 Impala 2 Dr Hrdtp,Bought in 1979*283 Edelbrock intake,ceramic headers,3 speed TH350 auto.,aluminum radiator,350 Crate motor Daily driver in the summer. 68 station wagon frame .2017 Classic Auto Air Global Western Upper arms,strut rods. |
| 59fins
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| 01-11-13 05:58 AM - Post#2306090
In response to Blu 67
website says 'On the THM400 the VIN is stamped on a machined surface just above the pan on the drivers side.'
would this be under the pan? or with the pan off? anyone know?
I cannot find any stampings, but I did not take the pan off, looks like the trans was used from 64-90, that is quite a swing in years
it also states ' On the THM200-R4 the VIN is stamped onto the housing towards the rear of the pan, on the drivers side.
On the THM700-R4 the VIN is either stamped onto a boss behind the bellhousing flange on the passenger side, just above the pan on the drivers side, or just behind the governor cover, stamped vertically where the case meets the tailshaft housing.
Prior to 1967, transmission ID numbers contained the plant prefix code, month and date of production (expressed numerically) and a shift code (D = Day, N = Night). From 1967 on, the ID number contained the transmission type or plant prefix, Date (coded below) and a shift code. The constants in decoding the trans ID number are the date the transmission was produced.
Pre-67 Example: C213N - (C = Cleveland Powerglide, February 13, Night Shift)
Post-67 Example: P9E03 - (P = TYPE, 9 = year (1969), E = Month, 03 = Day of Month)
Month code: (NOTICE this is NOT in alphabetic order)
A = Jan, B = Feb, C = Mar, D = Apr, E = May, H = Jun, K = Jul, M = Aug, P = Sep, R = Oct, S = Nov, T = Dec '
but not real clear if this is for turbo 400 or just transmissions in general what are your thoughts, anyone...
| models916
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| 01-11-13 11:10 AM - Post#2306209
In response to Blu 67
So you are saying the pan shape for the TH400 will tell if it's out of a 70 Chevelle BB as opposed to a 68 Impala SBC? He knows it's a TH400. How does the pan shape tell what it's out of?
| astrojet427
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| 01-12-13 12:05 AM - Post#2306415
In response to 59fins
Bill, in my earlier post I mentioned the tag being round, but in fact it is rectangular. I was going by memory.
Looks like for the TH400, there is a (yellow) ID tag that identifies year, engine type, build date, and the transmission serial number (not car VIN).
Then there is also a VIN that is stamped that looks to be on the tranny body just above the pan lip.
This link to a Chevelle site has some good info with VIN location pics.
Chevelle site TH400 info
The picture below, is from a Camaro site and shows the tag I was referring to. The same type that is attached to the TH400 in my '67.
Camaro pic link and info
[image][/image]
1967 Impala SS. 327-Turbo 400; 12 bolt-3.55 gears. A few photos of my '67.
1972 Corvette Convertible Mille Miglia Red 4 speed.
1963 Cadillac Eldo-Triple Black. |
| 59fins
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| 01-12-13 05:33 AM - Post#2306437
In response to astrojet427
Unfortunately, this tag is missing from my trans, I guess I'll try and sell it as a mystery T-400, I had a new drive shaft made for it too, it had a shake in the drive-line, so the drive-line guys put a new tube on it and balanced it, I really hate to take it to the bone yard b/c of lack of info, I just thought someone could use the whole combo, trans and console, shifter, kickdown, hump, linkage, inserts for console ect. all in one package, but it's kind of hard to sell a trans when you only know it's a T-400, guess that's the way it goes, really appreciate the help guys, I am a knowledge junky on some things, and ask too many dumb questions, but if you don't know the answer I hope it's not a dumb question... Thanks again, there will be plenty of questions to come on other topics so please be patient with me make for good conversation I think.
| WarrenL
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| 01-26-13 08:52 PM - Post#2310959
In response to 59fins
Yeah, without the tag, you'd need to find the partial vin number. Did you find on stamped along the bottom side egde by where it meets the pan? Where that circle is on the drivers side center, straight down from there, a flat surface on the side of the case, a few CM back from the edge.
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