Looking to build my first stroker motor for the GTX and looking for some suggestions on a few items. This is a street/strip car. I will be adding a set of Edelbrock heads. I have a 727 with full manual reverse pattern and a 4200 stall PTC converter. My question is how much compression can it take and still run on pump gas? Also I have a MP .557 cam laying around,could I get away with this cam or do I need to look for something bigger? Not looking for the fastest stroker around, just want something that can hold it's own at the track and still be able to cruise up to the local car show. Thanks in advance!