Re: Hate to sound stupid but.... - Saab Performance Bulletin Board - Saabnet.com
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Re: Hate to sound stupid but....
Posted by Chad B [Email] (more from Chad B) on Thu, 2 Jan 2003 11:21:57
In Reply to: Hate to sound stupid but...., Chaz, Thu, 2 Jan 2003 10:08:32
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As far as your injectors go, that would depend on the level of boost you plan to run with your MBC. If you plan to stay close to stock levels obviously you'll be fine, but if you crank it up to 20+ you'll need some fueling changes. How high are you planning on running your boost?
I'm not an expert on LH2.2 but I have learned several things from this board. The computer will only compensate for the extra fuel when it is in closed loop mode(using the feed back from O2 sensor). Times when you are open loop such as WOT (wide open throttle) the ECU relys on preset fuel curves and you will be running more fuel than with the stock setup. Small changes to fuel pressure can be overcome by the ECU but bigger changes such as 30# injectors might require you pull some tricks to get the car to run/idle correctly. Ask Taylor about his experience installing his 30#ers. The fuel system has no way of knowing what changes you have made to it such as injectors or regulators, so there is no automatic adjustments the car can make.
Do a couple searches on this board for 30# injectors and rrfpr and you'll learn a lot about our fuel systems. Good luck.
posted by 192.55.2...
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