hey bro.. of course there is a difference between big valves to stock.. just make sure you choose the right mechanic.. then try uma cam or cms cam.
or better, install the UMA super head, hehe
as per wikipedia...
"Octane rating or octane number is a standard measure of the performance of a motor or aviation fuel. The higher the octane number, the more compression the fuel can withstand before detonating (igniting). In broad terms, fuels with a higher octane rating are used in high...
higher octane gasoline is for high compression engine. kung stock compression lang, using higher octane than the prescribed in the manual, wala rin gaanong effect.. same effect lang sya sa gasoline with low octane...
kung high compression ang engine, dun kaylangan ang higher octane gasoline...
Year Opener Meeting 2014
Sorry sa mga late.. di na nakasama sa pictures..
https://www.facebook.com/media/set/?set=a.677510788968412.1073741836.181107851942044&type=3
ESC Christams Get Togetger 2013
December 29, 2013
For full photos: https://www.facebook.com/media/set/?set=a.677509105635247.1073741835.181107851942044&type=3
Sorry for the late post. :D