RPM drop when boost at 15 psi
#1
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RPM drop when boost at 15 psi
im having this problem with my evo. Whenever i step on the gas a lil bit hard , right around 3500 - 4000 rpm the rpm drop 500 and then moving back up . Boost stay the same. It only does this one time whenever im boosting. anyidea?
#6
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Originally Posted by planetboy200
humm but when i launch it its fine no problem at all . Only when i accelerate slowly thats when its happen. Like if i floored it it will run fine .
To test my theory, go out, put the car in 5th gear at 2500rpm, then floor it. When the boost builds fully, the rpms will jump up several hundred RPMs, the car won't accelerate much, but then the rpms will catch, lower down to normal, and then you accelerate normally. That's a slipping clutch.
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