SO I'M LOOKING TO MAKE A SOMEWHAT OF A BUDGE
T BUILD 4 MY 18FT JETBOAT. I WOULD LIKE TO USE THE STOCK HEADS 4 NOW AND I WOULD LIKE TO KNOW WHAT IT WOULD TAKE TO GET A 460 TO SPIN 7000 RPM AND MAKE AROUND 500 HP ON PUMP GAS.
ANY IDEAS WOULD BE A BIG HELP THANKS :