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Discussion Starter #1
Please help i am so lost!
I just installed a new kc 66/73 , irate diesel fuel pump and full force obs intercooler on my truck this week . everything went well and it starts and idles just fine but once i put in in drive and put under a load it does not want to build boost i just dumb fuel every time i step on the peddle i bellow black smoke . i am completely lost can someone help please .

Thank you
 

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did you check all pipes from intake to air filter for blockage? that is what it sounds like.
 

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the only other thing would be a non operational turbo. remove the air intake from the turbo and see if it is spinning with the engine running.
 

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It will only make substantial boost under a good load. Is your MAP functioning OK? Hose to it hooked up? Cheers!
 

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Are you running upgraded injectors? That's a lot of turbo for the small stock sticks. KC recommends 180/30s at a minimum.
 
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