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Boost Problem

tshaw44

By tshaw44,
in Engines & Forced Induction

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tshaw44 Proficient

tshaw44

Posted
Posted

hey everyone my r33 skyline when i hit boost its not pulling as hard and then when it gets to about 4-5rpm it kicks in proply and no my clutch isnt slipping i just put in a heavy duty couple weeks ago and got the mechanic to look at it to make sure its not slipping or anything any idea's of what it could be?

btw i need to replace my afm cause it keeps cutting out once in a while would that have anything to do with the boost problem?

thanks

tristan

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NISSAN GTR Veteran

NISSAN GTR

Posted
Posted
hey everyone my r33 skyline when i hit boost its not pulling as hard and then when it gets to about 4-5rpm it kicks in proply and no my clutch isnt slipping i just put in a heavy duty couple weeks ago and got the mechanic to look at it to make sure its not slipping or anything any idea's of what it could be?

btw i need to replace my afm cause it keeps cutting out once in a while would that have anything to do with the boost problem?

thanks

tristan

Is the car running rich and blowing black smoke out when changing gears, mine was lagging heaps at 4000rpm , i had the same problem with mine , it was the AFM and stock catalytic converter which i changed over ! no probs now :P good luck

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Benzino33 Experienced

Benzino33

Posted
Posted

Stock skylines have 2 stages of boost. 3-4 psi before 4000rpm and 7-8psi above 4000rpm to redline. so if ur car is stock then it sounds normal to me. what mods do you have?

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