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Old 11-12-2013, 04:12 PM   #2
Bigdav160
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Join Date: Apr 2011
Location: Klein Texas
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Re: Which trans? SPID & Build Sheet Each Use Different Codes

What you say is correct about the RPO codes. TH400 would have been a M40 on the build sheet.

The TH350 is a fine transmission for all but the highest or torque/horsepower small block engines. It will also holdup to a very mild big block.
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