i tried some nova med-cold plugs, OS #8's, and mccoy #59s... kind of hit the whole spectrum from cold to hot really? just had to run what i had a couple of times..but mostly run the #59 mccoy, hot

head clearance, im not so sure on, whatever comes stock im sure? i never checked it.. and fuel, sidewinder 30%..

im fairly new to nitro so please excuse my ignorance, haha!