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Forum name | Engine Management Systems & Controllers |
Topic subject | RE: All this talk about a Mega Squirt! |
Topic URL | http://forums.2gnt.com/dcboard.php?az=show_topic&forum=54&topic_id=198&mesg_id=228 |
228, RE: All this talk about a Mega Squirt! Posted by dougie2, Dec-31-69 06:00 PM
The MS controls the amount of injected fuel by injector pulse width instead of by fuel pressure.
Example: using 440cc injectors while the stock ECU only has limited adjustability of injector pulse width forces you to lower the fuel pressure so that less fuel is injected. If you didn't lower the fuel pressure, too much fuel would be injected and the engine wouldn't run. With the MS, you can run 43.5 PSI (or whatever you choose) fuel pressure and shorten the injector pulse width to inject the right amount of fuel.
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