What octane needed for SBC with 13 to 1 compres, steel heads
 

What octane would be needed for SBC with 13 to 1 compression, with steel heads? I am trying to find the cam card info, but without that info; can you still tell me what you think..? Thanks

Re: What octane needed for SBC with 13 to 1 compres, steel h
 

110 vp

Re: What octane needed for SBC with 13 to 1 compres, steel h
 

x2

Re: What octane needed for SBC with 13 to 1 compres, steel h
 

Thanks! If I get the cam card info, I will post... This is for a freind of mine...

Re: What octane needed for SBC with 13 to 1 compres, steel h
 

I too run 110, in an iron head 406 with 13.2 to 1 compression,(Probe pistons), typical Comp Cam roller with 630/672 lift, with Manley crank and rods. The heads are some old Motown 220s we had laying around,, did a freshen up on them and port match on a 2925 Super Victor,, threw a Proform/Holley hybrid 750 on it and made 625 on the dyno,, not earth shattering, but decent. The motor liked the smaller carb, as it lost hp with an 850 and a 950 we had with us. The 110 fuel seems fine. Good luck with your project.
Danny Durham

Re: What octane needed for SBC with 13 to 1 compres, steel h
 

A good 110 should be fine. Check the Motor Octane rating and compare between brands.
Sunoco 110 Motor Octane is 106
VP 110 Motor Octane is 107
Renegade 110 Motor Octane is 108