Compression:

Is it possable to turn the 7.5:1 C/R into a 10.2:1 C/R by shaving down the block and head's ?

would i notice the difference if i could get that much of compression change ?

I run prememium in it now so fuel cost won't be an issue it ran like hell on 87oct run's perfect on 93oct now.

EXHAUST:

I'm running 2-1/4" singel exhaust now.
if i ran 2-1/4" to 3" dual exhaust would i notice that ?

any other mod's ? please do tell . . .

Mike



1962 GMC K3000, GMC-379 V6.