Most of trek owners with mods have Evo cams. But anyone here uses pon-cams? 265? 270? 272? I was told that with just basic Evo mods (TD05, FMIC, bigger injectors...
currently using an original trust 50mm. whats the difference over much more expensive like turbosmart racegate and those cheaper china knock offs. lets not put durability into consideration. i would like to know...