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Message: <blockquote data-quote="TrikSix" data-source="post: 1188529" data-attributes="member: 18599">I searched around and found some info at american muscle but their info was not what my door jam label contained.  I found the the area on the label that listed TR but only found one letter G.  According to AM, I should have found like a 5 letter/number digit there but only found the letter G.  Basically I am putting a 4.3 Stroker into my 2003 V6 and adding a Procharger.   I have heard that my tranny (whatever it is) will stand up to about 300 HP.  I am shooting for around 450.  So with the code G under TR, what tranny do I have and what kind of HP will it hold?Peace</blockquote>