12oclocker Posted March 7, 2009 Report Share Posted March 7, 2009 (edited) I think my LTR450 is an Open Loop EFI system.I have a Yoshimura Cherry Bomb CRBM (Coaxial Relay Bypass Module) that was installed on my quad when I bought it.I bought this quad to stunt, so control is more important to me than horsepower, I suspect taking the unit off will smooth out my jumpy throttle reponse.Anyone have any info on the Yoshimura CRBM's operation, thanks!! Edited March 7, 2009 by 12oclocker Quote Link to comment Share on other sites More sharing options...
Dweezel Posted March 7, 2009 Report Share Posted March 7, 2009 Well closed loop uses an oxygen, MAP, or MAF sensor to monitor incoming air, and out going exhaust AFR's, and make constant adjustments, Openloop knows nothing but the program and sticks to it no matter what.Ease of use, and cheaper/less problematic would definately go to open loop, also HPClosed loop is great for emmissions though..... Quote Link to comment Share on other sites More sharing options...
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