I am curious if anybody knows if the engine in my envoy is the same as the one in the gxp grand prix. Im wanting to start a project but an curious if I can use some of the same stuff used on the gxp motor.
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03-12-2012
I am curious if anybody knows if the engine in my envoy is the same as the one in the gxp grand prix. Im wanting to start a project but an curious if I can use some of the same stuff used on the gxp motor.
03-12-2012
not the same
the gxp is a 5.3 LS4. its basically an ls2 with a v6 bolt battern for the trans. the 5.3 in the envoy is an LM4. i belive the trans in the envoy is the 4l60 e. now the 4l60e is one of the most versitile trans in gm's inventory. its been used in everything from the 3.5 I5 colorado to vettes. there might be an adapter out there to bolt the 4l60 to the LS4.
03-12-2012
Ok finally found some info. It looks like it's a LH6. Looks like its what replaced the LM4. They added active fuel management to the LH6.
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