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.
i bumped my case pressure regulator down .010". my pump guy said it would help the fuel flow into the head faster. the truck is snappyer since i did that. but the letten off puff of smoke has been happoning longer then i did that. donno, truck still runs like a raped ape