 fmu |
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 Aug 3, 2007 - 7:26 PM
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Enthusiast  Joined Jul 22, '07 From nj Currently Offline Reputation: 2 (100%)  |
hey guys whats a good fmu/ecu for our gen celica .... one designed for 5sfe turbo ...even better
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Aug 4, 2007 - 12:05 AM
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 Enthusiast Joined Jun 23, '05 Currently Offline Reputation: 4 (100%) |
you dont need a new ecu. vortech fmu are reputable. despite what some people will say, on low boost applications, running a fmu with larger fuel pump and check valves is an acceptable (although somewhat crude) fuel delivery system. your car will run just like stock off-boost ie it will idle normally, etc, and it will only increase fuel delivery as boost increases. some people ignorantly criticize fmus as only varying fuel supply based on boost alone while not taking into account engine load and rpm. what they forget is that the ecu will still vary the pulse width of the injectors as it needs to. all you have to do is pick the right size fmu. ive *heard* 12:1 will run rich, so maybe 10:1. but, better to be rich than lean. if you plan on running higher boost, larger injectors, a 2 bar map, and a good tune is the way to go.
--------------------  I think Bigfoot is blurry, that's the problem. It's not the photographer's fault. Bigfoot is blurry. And that's extra scary to me, because there's a large, out-of-focus monster roaming the countryside. |
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Aug 4, 2007 - 7:09 AM
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Enthusiast Joined Jul 22, '07 From nj Currently Offline Reputation: 2 (100%) |
is that a computer contolled piggy back or a mechanical regulator in line with the injectors
This post has been edited by turbochloe: Aug 4, 2007 - 7:10 AM |
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