insane
New member
Was wondering what octane should be run in 02 viper with billet heads 780 big bore kit, CPR pipes, VF 3's, 11-1 CR. any charts out there that are useful?
mrviper700
VIP Lifetime Member
thats lower compression so you could start with 93 octane and work down to possibly 91, it all depends on how its ported and what kind of cylinder pressure it has dynamicly as far as octane goes.
Mac
Member
Here is an explanation. This site has a lot of good reading under the tab. TEK-NICAL
http://www.2strokeheads.com/tech2.htm
http://www.2strokeheads.com/tech2.htm
staggs65
Moderator
good read but I wouldn't call it an "explanation"....clear as mud...haha
As said in the read though, alot to it
As said in the read though, alot to it