WebSep 14, 2012 · Harley faces their air fuel ratio largely on the fact that they run a 14.7 to 1 air fuel ratio. If you run a richer air fuel ratio around. 13.5 to1. To go to a higher compression ratio with no problem. There are several things that determine the octane level required such as combustion chamber shape also contributes. WebCompression Calculator. Get accurate compression without the guesswork! Get your engine's optimal compression ratio and total displacement in no time flat! Just complete your engine setup, click …
Automobile Engine Compression Calculator MAPerformance
WebAs you can see, for a high performance street/strip application, a minimum end gap of 4.5 thou per inch of bore is recommended, so that means if we have a 3.386 inch bore, we multiply that by 0.0045 to arrive at our recommended end gap of 15.2 thou. With a figure like this, we’d be safe to round the result to 15 thou, as it’s very difficult ... recipe using pork chops
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WebJun 23, 2016 · There is no other way to view Harley. It is too bad that emission control has overtaken the motorcycle industry as well. Looking to my question in reference to compression ratio, would not a 10:1 ratio be more high compression than that of the 103 Twin Cam which is 9.6:1? It appears that the mid range in the 103 is where the motor … Web2,466. Shovelheads have a big, open, lazy chamber (but it's a HEMI!). So, they are subject to spark knock and detonation at relatively low compression ratios as compared to an automobile engine (or even a modern motorcycle motor). With decent premium fuel and careful tuning, you can run 9.5:1 in a street bike and be quite happy. WebUse for custom configuration or oversize bore. Leave at 0.000 to use default values OR change any value to override default. Values in RED are approximate. Use actual … unsw e10 building