When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
My tune is tuning it as we speak i need help asap. Fuel pressure drops off at 6000 rpms. Its a 98 z28 with mods in signature. Still has stock fuel pump and original fuel filter. And ideas what's going wrong? Thanks