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So I'm pretty new to snowmobiles and xlts. I did a compression test and all 3 cylinders were at 105 psi so I know I need to rebuild the top end soon. My question is that I have another block that came from a 95 xcr 600 and was just wondering if that block would work with a regular xlt engine? I know there was some different porting and different carbs on the xcr so that is where my confusion comes from