I am looking for some info on the zr409 and zr450. I'm looking for which block pcm uses, ly6 lq9? Etc... also want to know the head casting numbers and the cam specs. I can find all the pcm part #s on the 409 but I'd like to know the gm #s that pcm uses if that is possible.
Sent from my SCH-R530U using Tapatalk 2
|