limitation on 2005 - Diesel Truck Forum -
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post #1 of 7 (permalink) Old 10-22-2009, 04:23 PM Thread Starter
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limitation on 2005

Since I got rid of my 6l and put a cummins in my ford Im a little gunshy. Im probably buying a 2005 dmax for a towrig/daily driver. Is it safe to put a ppe hot plus 2 in it with engine studs. I am already planning on doing a suncoast right away. Also, the truck has propane on it with a chip. Dont know which one. Can I run the hot plus and propane.


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post #2 of 7 (permalink) Old 10-22-2009, 05:58 PM
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You won't need studs for a tuner. When I came from a 6L to the LBZ, I told Eric Merchant, the first thing I wanted to do was studs! He laughed. I am not sure about the propane.

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post #3 of 7 (permalink) Old 10-22-2009, 07:21 PM
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The ppe hot +2 should work with propane but I don't know for sure. You don't need head studs till you make over 700hp on a duramax. If its a 2005 its an LLY not a LB7. You have to be careful about overheating due to a restrictive turbo mouth piece causing the turbo to work harder and starting a vicious cycle, but there is a fix so it's not so bad.

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post #4 of 7 (permalink) Old 10-23-2009, 04:37 PM
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You will need a lift pump as well to feed the CP3 on the higher tunes on the PPE. Nates lb7 runs out of fuel on the hottest tune without a lift pump. He still beat Ryan though when they raced a few months back ha.
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post #5 of 7 (permalink) Old 10-25-2009, 05:17 PM
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Do the trans first. Its the biggest expense.
Second, open the exhaust and intake.
Third, tuning.

As for the trans, your on the right track with the Suncoast.
As for the intake, a LBZ mouthpiece to the front of the turbo as well as a good CAI such as S&B or AFE.
As for the Exhaust, Silverline makes a great product at an affordable price.

Tuning, PPE will work well or a good EFI tune will get you great power and mileage

As for head studs, dont take it the wrong way but you will bend the rods before you lift the heads.

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post #6 of 7 (permalink) Old 10-25-2009, 05:42 PM
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Rob, which propane system is it? Most people run those for mileage but it is additional fuel. I would like to know what it does for your numbers.

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post #7 of 7 (permalink) Old 10-25-2009, 05:49 PM
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Propane is for grilling

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