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 suggest tuning the entire AFC just dicking with the star wheel will no gain you anything. it is one piece out of many used to tune the system. get some govoner springs best thing you can do your your truck.
If you have nothing else done to the pump, cranking the starwheel up will decrease lag and make it more responsive, fueling is coming in much quicker in relation to boost.