leaded gas???

madzx2

Member
Joined
Apr 24, 2009
Messages
862
Age
41
Location
Osceola Wi
i have been wondering if leaded gas would hurt my 00 srx 700. its lake race ported and has mega power heads. what octane should i run in it? a local station sells race fuel at the pump for the circle track near by. just wondering.
 
im not positive what domes it has but with it being ported i woulld think it would have higher comp domes aswell
 
leaded fuel won,t hurt anything,i run 110 leaded mixed with 91 to get 95 octane for my 780,never had a problem. if you have used this sled set up like it is on pump gas 91 or 93 what ever you get down there, and it hasn't had detonation problems i would stick to the same fuel . using higher octane fuel than your motor requires will result in less power produced.
 
madzx2 said:
i have been wondering if leaded gas would hurt my 00 srx 700. its lake race ported and has mega power heads. what octane should i run in it? a local station sells race fuel at the pump for the circle track near by. just wondering.

no one can tell you what octane to run, w/o knowing your trapped compression ratio, and/or your full stroke compression ratio. who's lake porting? did they setup the heads to that port work? if so, ask them what fuel to run.
 


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