TH400 Decode....Need Help

[Jeraboa]

I put this in here last year but got no response, maybe because of these odd #s. Anyway, a friend of mine purchased a 71Z and now I'm looking at buying it from him. Every # I've checked on the car is correct with the exception of the trans. It has H1T03594 stamped on the pad above the pan on the drivers side - which I can't make heads or tails of. And 8623462 and 8624468 casting #s on the passenger side along with "General Motors Corp". The car looks very original with this one exception. I'm stumped.....



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Charter Member - WFO Club
1971 Z28

[ty taccone]

Jeraboa,I'm not sure if the 71z is like the 70,but on my 70Z it has a tag that is rivited on with the date code.The tag reads 70W506 and the vin is stamped on the trans.Does yours have the tag?Ty

[Jeraboa]

Ty,
I found no tag...that's not to say that I may have over looked it. Where is your tag located?
Jerry

[ty taccone]

Jerry,the tag is on the pass. side above the pan.The tag is about 1 inch by 2 inch.It has a rivit through the middle of it.If yours doesn't have the tag maybe it still has the rivit.Let me know what you find.Maybe someone who has a 71Z with an auto can chime in and give you the info you are looking for.What is the build date for your car?Ty

[Jeraboa]

Ty,
Build date on this car is 2/71. Build date on my car is 5/71. I don't find the riveted tag on passengers side of my trans. either but the # over the pan (on the drivers side) is correct with year, plant and last 6 numbers of the vin.
Thanks for the help,
Jerry

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Charter Member - WFO Club
1971 Z28

[WS6]

H1T03594
H - Hydramatic
1 - Model year serviced
T - Trans
03594 - Ident number

Looks to be a service replacement.

Is this the same one with the VIN derivative stamped on it? I am confused. Should not be there on a service parts unless someone placed it there in to make a matching numbers trans out of a replacement trans.

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Mike

2002 Trans AM WS6 build #3124 - Pewter
2004 GMC E. Cab SLT Z71



[This message has been edited by WS6 (edited February 11, 2005).]

[Jeraboa]

<font face="Arial,Verdana" size="2">Originally posted by WS6:
H1T03594
Is this the same one with the VIN derivative stamped on it? I am confused. Should not be there on a service parts unless someone placed it there in to make a matching numbers trans out of a replacement trans.

</font>

Mike,
This is on the car I'm looking to buy. This is stamped where the vin derivative should be (above the pan on the drivers side). If a dealer replacement (warranty work), would the dealer have stamped it?
Thanks for checking this,
Jerry

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Charter Member - WFO Club
1971 Z28

[WS6]

No, the dealer would not do this.





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Mike

2002 Trans AM WS6 build #3124 - Pewter
2004 GMC E. Cab SLT Z71

[Jeraboa]

Mike & Ty,
Thanks for the help, I appreciate it.

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Charter Member - WFO Club
1971 Z28