Originally Posted by
91LsVTECsi
I did a motor kinda like this it all depends on the work done! I had to run race gas in mine it wouldent run on pump because i found out my head was shaved 2 times before i did so it was like 13:1. You have to go to som1 who knows what they are doing! strictly mt look him up in shop forum.
How'd you find out the head was shaven twice before yours? I was wondering the same the other day, would the machine shop be able to determine the current dimensions (considering how much they took off- milled) and compare that to the stock dimensions? or is there another way?