Drag Racing Tech - Race fuel ratio
09-05-2008, 06:24 PM
I drive my car to and from the track so I put 93 in it but want to put 112 in it at the track so I wanted to know what is a decent ratio of 112 to 93? It is an FI setup so I need the 112 to up the boost. It is hard to gauge it to get it really low but would it be 3 gallons of 112 for every gallon of 93 or what:confused:? Just want it to be safe and perform well but like I said I drive it I don't trailer it so there is no draining it first. Any help and input would be great.
09-05-2008, 06:34 PM
Run alky injection to keep it consistent.
09-05-2008, 07:46 PM
Depends on the compression ratio, amount of boost and octane needed. Run too much race gas and the burn rate slows and you could lose power.
Pro Stock John
09-05-2008, 10:57 PM
There's no magic formula, different for every combo. What kinda power would you be making? With Camaro I put in 5-6 gallons of 110/112 at the track. With the Formula I'd try to show up with not too much 93 and run straight 112 and that's how I ran my 9.4@144 pass.
09-05-2008, 11:15 PM
I will be running anywhere between 13 - 20psi and I would prefer 112 only but can't run the car dry. If I have around an 1/8 how much 112 should I add to be safe?
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