Air leak can't find it..... - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 06-24-2009, 01:20 AM Thread Starter
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Air leak can't find it.....

I have a air leak but I can't find it. Any suggestions? It starts out at about 7 lbs. and is not as noticeable around 20. Also would anyone suggest changing the wastegate valve over to the big head from banks?

2000 f-350 dually Superchips 80 horse piggyback chip. (I know it sucks saving money for a dp tuner) 4 in. Turbo back exhaust.AFE stage 2 intake. Pyro, trans and boost gauges installed.
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post #2 of 6 (permalink) Old 06-24-2009, 05:13 AM
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how much boost is it building, is it less than it use to make?

Ross
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post #3 of 6 (permalink) Old 06-24-2009, 09:04 AM Thread Starter
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It usually makes around 25 but now its making around 22 or 23lbs. It kinda sounds like it is getting bled back through the intake.

2000 f-350 dually Superchips 80 horse piggyback chip. (I know it sucks saving money for a dp tuner) 4 in. Turbo back exhaust.AFE stage 2 intake. Pyro, trans and boost gauges installed.
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post #4 of 6 (permalink) Old 06-24-2009, 06:42 PM
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it could be a exhaust leak before the turbo, look at the uppipes on the back side of the engine real good, and see if there is any soot around where the pipes seal

Ross
Show-ME Smokers 2.6 modified street pulling truck "The Lone Stroke" My Videos
1996 f350, powerstroke, 4x4, 5-speed, 4.56 gears, Swamps 450/600 injectors, Swamps BFH turbo, Swamps Idm, Swamps tunes, BTS oil, SBC clutch, studs, springs, tubes, air to water intercooler, fuel system, factory rods!


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1997 f350, srw, reg cab, 4x4, 5 speed, 4.10 gears, 3in down pipe, straight pipe, mystery chip.

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post #5 of 6 (permalink) Old 06-24-2009, 07:47 PM
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Check the EBPV sensor tube, passenger side exhaust manifold, goes up to the front of the motor. They like to rust and break.

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post #6 of 6 (permalink) Old 06-25-2009, 12:50 AM Thread Starter
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K thanks guys. I will check it out as soon as I get home.

2000 f-350 dually Superchips 80 horse piggyback chip. (I know it sucks saving money for a dp tuner) 4 in. Turbo back exhaust.AFE stage 2 intake. Pyro, trans and boost gauges installed.
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