I have a 4cw motor I'm about to put together let that go for 400obo its gonna have a rr head set up, I also have a 10:1 block but I was kinda gonna use that 250 for that one and I'm goin to a quire a stock rr block Friday, u can take that for 150. Other than that with the 10:1 eventually goin in my car, I have a HEALTHY jdm high port de riding in my car. I treat it like a baby haven't raced in a couple months maybe one time all gears but mainly hit it 3rd and second here and there