with the big block 502 and NOS..I would not be surprised if you did not have to get that converter tightened up...Many NOS guys go thru this problem..it sounds like your going to be real close..but its MORE OF A RARE thing for Nos Guys having to loosen up their converters instead its the other way around....when you start throwing the NOS to those converters it acts nothing like it does on motor only..
NOS is wicked..have you ever noticed the TQ curve on a motor being sprayed with a 200 shot on a dyno.!!!!!...its un freakin real and off the charts compared to the adverised Pill..
if it were my set up i would call TCI or a good reputable converter person and tell them your entire set up and see what they have to say..
i use Cameron out of Columbia S.C...He builds a-lot of pro-mod and 10.5 outlaw NOS converters..
it would be worth a long distance call to discuss this situation.
his number is 803-754-8136
call him ...its free info and he knows his stuff.
Above ETBIRD just explained exactly what i mean..the converter is JECKLE AND HIDE ON THE NOS......don't be mislead...if you have anything close to the same ratio ETBIRD has with his conbverter your gonna be somewhere over 6500rpm which is way to soft.
my opinion is better tighter then looser when NOS is invloved.
ohh yeah on another note..if you go spraying it a 175 shot i would strongly recommend running a minimum of some 110 racing fuel...but thats another story...
Brian
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "