ever think of doing the LT1 Intake Conversion?
www.LT1Intake.com
The Popular Hot Rodding write-up on that page was done By my friend tom in the Shop down the road. the shop belonged to somebody that USED TO BE a friend of mine till he stabbed me in the back..LOL...That is how I learned all about what mods truly work and what to expect form them in terms of a power gain.