Recently, I read a couple Hot Rod magazines from the 1950’s. In 1958, my favorite (mechanical fuel injection) propelled several Bonneville racers over 200 MPH. One went around 290 MPH. Those racer builders were the performance leaders of the time with amazing achievements! Front mounted superchargers were common. Fuel splits of around 15 to […]
E85 is examined as a racing fuel. E85 is a combination of ethanol and low octane gasoline. Some racers report more power from E85 than from methanol. On the other hand, when the Indy Car League converted from methanol to straight ethanol, dynamometer tests revealed a reduction in power after the conversion.
A lot of pit buz that cooler fuel runs better. METHANOL VAPOR ISSUE: We found in our methanol publication development that only methanol vapor burns.
We made a full pass. Picked up 3 tenths of a second and about 7 MPH over 9% nitro. It was a rush. The engine is louder. And more radical. We are still making enough engine heat at idle to keep the oil dilution minimal. We are on our 16th pass on the same oil […]
We dropped the AFR to 3.2 The idle went up by 300 RPM over the 9% setup (with no idle adjustments).
With a small increase from 6% to 9% nitro, in preparation we dropped the AFR to from 3.7 to 3.4. As a result, we picked up a tenth of a second and about 4 MPH over 6% nitro.
We added port nozzles and put about 60% of the fuel into the ports.
Just a note about our test engine for this year. We put our blown alcohol engine back together for nitro testing this year.