I HAVE A 99 BANSHEE WITH 280 MAIN JET AND MINE IS RUNNING A LITTLE RICH I HAVE A COOLHEAD WITH 22CC DOMES,FATTY PIPES/SIL,BOYS.REEDS,BOOST BOTTLE,REED SPACERS,K&N FILTER. I LIVE IN INDIANA SHOULD I USE A DIFFERENT JET I USE KLOTS OIL AND MIX IT AT 32:1 WITH 93 OCT. GAS.

 

I HAVE A 99 BANSHEE WITH 280 MAIN JET AND MINE IS RUNNING A LITTLE RICH I HAVE A COOLHEAD WITH 22CC DOMES,FATTY PIPES/SIL,BOYS.REEDS,BOOST BOTTLE,REED SPACERS,K&N FILTER. I LIVE IN INDIANA SHOULD I USE A DIFFERENT JET I USE KLOTS OIL AND MIX IT AT 32:1 WITH 93 OCT. GAS.

 

I believe I have finally solved the mystery!
A fuel filter was restricting the flow of fuel, so know matter what I did it was always to lean, even with 380s, I have spent months on this, and a guy at work solved it in just 5 minutes! Thank you all for the help.

------------------
-duneman-

1999 Banshee, 2000 Trailblazer(wife's)