Archive for October, 2007

More FS-91 Surpass Diesel Conversion

Wednesday, October 3rd, 2007

I continue to work on the FS-91 conversion. I think that the carb for this size engine is becoming the sticking point. The acceptable air/fuel mixture range is rather narrow and the model carbs lack the proper tuning. Since model diesel fuel, especially without ether, approaches air/fuel ratios of gasoline I decided to try a […]