"I also had problems with my GN heads cracking twice. Both times I was running 21 lbs. boost,EGT 1575,118 Unocal. The
first time it occured at approx 126 mph and I almost lost the car into the guard rail ( using Evans coolant ) and after
welding which took 5 weeks, they cracked again! Now another 6 weeks have gone by and I still do not have the
replacement heads ( my orginal heads were scraped out and I am out $1000 porting. By the way Morgan engineering got
the heads to flow 248.4 intake and 223.1 exhaust @.500. 28 inches water) I called Champion and either I get different
stories concerning shippment or Tom will call me back which has never happened in over 35 times that it was promised.
Needless to say I have had better years. I have found that in my business that honesty goes a long way. I am tired of
hearing that cracking is the exception not the norm or my heads are in the mail and you can hold your resverations for
Buicks at Vegas on Nov.10. or I am finishing up some projects and will call you back!"
Jeff
Jeff,
I know what your going through. I've been there myself with all the bull.
The only thing I can say is the heads seem to be holding up well since the repair.