Books and information for racers
Latest News about Hilborn from Mike Chilando & staff, Alkydigger: “… Alkydigger has developed all the Hilborn Barrel Valves, Hoses, Nozzles, including a ½-20 Thread Sprint Car Nozzle with a drop in changeable jet to keep replacement costs down to $10 per change. We are also going to take their (Hilborn) EFI 8 Stacker for […]
Disclaimer: All of the following engine profiles cannot be guaranteed to work adequately right out of the box. In any of these engine profiles, jetting combinations were determined from similar running engine profiles previously analyzed with ProCalc. Spark plug readings and engine temperature measurements are needed from incremental runs. That is to determine if jetting […]
Adding nitro to a methanol racing engine is an easy way to make more power. Assuming a 50% mixture by weight, not volume. FYI: A 50% mixture by volume is 59% by weight which is a different setup. NORMALLY ASPIRATED The enrichment for a normally aspirated racing engine with moderate compression ratio (around 10.8 to […]