Has any one installeda throttle body spacer on a 4.3L vortec? http://www2.partstrain.com/store/?N=...397+11920+7005similar to this one maybe..... if so did it imporve performance at all??

 

mann i ordered the Jet Performance Brand i feel a good increase in my low end all the thru to redline and i noticed a good increase in my MPG 2 to 4 MPG on the highway if your asking me i would go with the airaid it suppose to have a whistle to it which i heard is kinda tight sounding i have a 1999 chevy blazer zr2 i put all of these and i got a few im still putting in
1)K&N cold air intake
2) Jet Performance mass air flow sensor havent put itin yet
3) Hypertech power stat 160 degrees
4) Jet Performance Underdrive pulleys
5) B&M shift kit havent put itin yet
6)Jet Performance Throttle body spacer
7) Jet Performance GM power module stage 1 havent put it in yet
8) Electric Fan Kit
9) Flowmaster Exhaust

im in the process in ordering my headers and cam but im trying to find out what would be the best cam for me

 

Lots of posts about this topic. For starters, look below in the 'Related Threads' section.

 

yeah right after i posted i saw the threads below