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Sorry about bringing up this old topic. But with e10 gas price of 1.6e/liter (about 8$/gal) and e85 price of 1e/liter (about 5$/gal) e85 seems to be good option.
I have to be able to use normal gas in winter so I think that injector pulse extender is the best way of using e85? I am not really worried about extending pulse width too much course stock rpm limiter is set to about 7000rpm and I rarely exceed 3500rpm, if stock injector can handle full throttle 7000rpm with pure gas they can achieve 3500rpm with e85.The car in question is 98 toyota corolla with 1.6 liter 4afe engine.
I have good understanding of electronics so I have been thinking about couple of ways to make my own pulse extender. But I would be very interested about what dcb:s circuit is like, and if anyone has any ideas, circuits or even better circuit board designs?
Any other thoughts are welcome also.
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