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Thank everyone I appreciate the info I have a 2010 truck wiring harness with x1 & x2 look like I'm will be use the 12633238 ecm how need to find
a VIN# to work with l92 with mast motorsports HO...

Hi ok can I run my 2011 6L90 with a 2010 ECM 12625455 along with my l92

Hi Thank for the infor

Hi new to the forum need some help build a 70 chevy truck put in a l92 with mast motorsports ho cam transmission 2011 chevy 2500 6l90 the ecm for the trans is 12642100 need help tuning engine and...