Compresion on Raptor (HOT CAM STG 2)

[Eworm]

I am looking to buy a Raptor with HOTCAM Stage 2 work on motor. Titanium springs, valves. I am not sure what compresion ratio to look for. Can someone please help me out here. Give me an idea what to look for.

Thanks in advance

[Harley_Honey]

The stock compression ratio is very low stock like 8 to 1.
you can do a compression test amd divide what ever number you get by 15 and that will be you static compression. make sure that the Throttle is wide open when spinning the engine over.