cam3
03-05-2013, 02:27 PM
i put a 604 in my vintage car to race not to just ride around and wave at the crowd ,,,, there are no motor rules ,,,, run any motor,,,,the issue is what valve spring can i put on the motor to replace the stock ones that will run as long as a racing valve spring,,,, on the racing motors we run them all year with no problems thanks for any help C3