I am looking at used motor that has been sitting out of the car for about 3 months, gots lot of carbon buildup on the exhaust ports, motor turns, but again hasnt been run. It has AFR heads, callies compstar crank, oliver billet rods. and more.

not sure what to look for on this to see if its messed up or not. Story is its not which I believe but I wanted to check with you guys to see your thoughts?


Thanks