eurbz wrote:
so what your saying is i would still have to have a comp or regulator of some sort to control the fuel curve?
correct. engines tend to make more power and run better at top end if they lean out just a tiny bit but on the bottom end run a hair fat. The idea of controling the fuel curve through direct relation of spark, specificly if fuel curve matched ignition saturation time, would be awesome! shorter charge time would equal leaner top - while longer charger = fatter bottom! All being RPM dependent. Question is: is it possible to match the two together? I dont think its worth the trouble, Im not saying it isnt directly possible, but seems rather difficult to match being that the actual saturation and dwell points of the ignition are unknown - it would be a good couple of days to learn every aspect of the stock magneto inorder to insure the fuel curve and mixture would be correct.
Not to mention learning the specifics of the particular injector for the application.
A used hilborn barrel valve and injector and maybe a good high pressure electric pump could easily be tailored or tuned to make it run right..... I say electric pump because its such a small engine its fuel consumtion rate should be way under most modern EFI pumps. The pressure might be a tad low for a mechanical injector but careful attention to the bypasses and the actual nozzle size could make it work perfectly i think. I say its worth a shot, and i would be willing to help you determine all of the specifics of making it work if you want to.... I like the idea....... could be a huge performance difference for the go cart/ mini bike crowd! This sounds real KOOL!
Im down for EFI as well........ both are going to take work, i just see mechanical injection as the easiest and simple method.
OR............. umm......... we could just get a nice carb.
LOL
good topic. Cheers Gents.
A.j.
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