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426 Hemi decoding #1955887 11/22/15 04:28 PM 11/22/15 04:28 PM
Joined: Nov 2015 Posts: 5 Des Moines, Iowa R robbies69 OP member
robbies69 OP member R Joined: Nov 2015 Posts: 5 Des Moines, Iowa	I have a RM21J9C stamped on the engine pad with the 6 numbers. I've done a lot of research and can't find where roadrunners were assembled at the Jefferson plant. Has anyone ran across this or know where I can go to find out why I have a C instead of an A code. Thanks, Robbie

Re: 426 Hemi decoding [Re: robbies69] #1955895 11/22/15 04:39 PM 11/22/15 04:39 PM
Joined: Jan 2003 Posts: 29,654 Hamtramck, PA A Alaskan_TA Fluffy Balladeer
Alaskan_TA Fluffy Balladeer A Joined: Jan 2003 Posts: 29,654 Hamtramck, PA	The C may be a poorly stamped G.

Re: 426 Hemi decoding [Re: robbies69] #1955933 11/22/15 05:33 PM 11/22/15 05:33 PM
Joined: Mar 2007 Posts: 3,139 tennessee,usa mattsmopars master
mattsmopars master Joined: Mar 2007 Posts: 3,139 tennessee,usa	Agree with Barry probably a G for St. Louis plant. Matt

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