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Microtech Pump1 and Pump2

Old 07-31-03, 12:39 PM
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Pump1 and Pump2

I have recently changed my injectors and the mixture is way too rich due to larger secondaries. I do not have a microtech manual because I did not install it on my car. I was fooling around with these two settings and my car began to run a little better. Can anyone tell me what the functions of these two settings are? Does it have anything to do with the primary and secondary injector settings?
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Old 07-31-03, 03:01 PM
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You can find the manual in PDF format on our website (link in the sig). That explains it better than I ever could!

Brandon
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Old 07-31-03, 08:51 PM
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Pump1 and Pump2 are basically the same as a accel pump on a carb, they add more fuel durning fast throttle application to make the transition smooth,
pump1 does up to 2000 rpm and pump 2 above 2000rpm, refer to the manual to what the other settings do, they are pretty complex, the standard settings are pretty close to right

most mazdas will only need a few % on pump1 and i think mine are 20% on pump2,

at the other end of the scale my ski boat requires 35% on pump1 and 50% on pump2 to get smooth take offs.

Dale
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Old 08-01-03, 09:17 AM
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I have personnaly found that 15% p1 and 30% p2 have worked well on my car. I think it has something to do with initial restrictions, IE stock airbox isnt gonna allow much air to pass at once.
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