Hardcore Sledder banner

dumb question

674 Views 13 Replies 11 Participants Last post by  HDFATTY
i have a 2003 f5, should i run regular or premium gas? thanks
1 - 2 of 14 Posts
i put reg in the trucks, everything else, sleds harleys 4 wheelers get super
Originally posted by Mike929@Sep 20 2005, 10:07 PM
They motors are designed to run on 87. Unless you do engine mods, pipes, reeds, etc. Just run 87. Don't waste your money on more octane. In all likely hood more octane will make it slower
<div align="right">index.php?act=findpost&pid=884612
im on a poo 800 classic, has a different setting for reg and premium, goes about 10mph faster when set to premium
1 - 2 of 14 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.