WILL A FISHER F4 COIL 6.7HZ WORK ON A GARRETT ACE 6.5HZ I WILL HAVE TO CHANGE PLUGS AND PINS , WHAT I AM LOOKING TO DO IS US THE 11" DD FROM THE FISHER F4 ON A ACE 250 HOW CLOSE DOSE THE HZ HAVE TO BE TO MAKE A DIFFEREANCE? ANY HELP? DENNIS IN NY [email protected]