Procharger D1SC 10-11 Psi Dyno Results 600whp - Page 2 - Cherokee SRT8 Forum
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post #11 of 69 (permalink) Old 01-28-2013, 09:17 AM
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Procharger D1SC 10-11 Psi Dyno Results 600whp

You don't want that crank pulley slipping, that's really bad. Nice video, I think I've watched it 5 times now!


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post #12 of 69 (permalink) Old 01-28-2013, 09:35 AM Thread Starter
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if you look carefully in the video you can see the belt rubber dust all over the SC bracket. no timing was pulled. also if you look at the video (part with the boost gauge) you can see boost start dropping toward the end of the pull.

in reality this was more of a base pull to see where we stand and also to make sure that the tune was good enough to continue messing with the car and testing things. on the first pull the car started to go a bit lean so luckily the tuner at PSI knew the system and was able to make few quick fueling adjustments to the Johan tune.
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post #13 of 69 (permalink) Old 01-28-2013, 10:25 AM
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if you look carefully in the video you can see the belt rubber dust all over the SC bracket. no timing was pulled. also if you look at the video (part with the boost gauge) you can see boost start dropping toward the end of the pull.

in reality this was more of a base pull to see where we stand and also to make sure that the tune was good enough to continue messing with the car and testing things. on the first pull the car started to go a bit lean so luckily the tuner at PSI knew the system and was able to make few quick fueling adjustments to the Johan tune.
If the belt is slipping then I would pulley up to a 3.4 or even a 3.5 man....

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post #14 of 69 (permalink) Old 01-28-2013, 10:27 AM
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Yes, about 12PSI on non-coated pulley and regular NAPA belt from what I could tell. But those were street runs and it was much warmer if that makes a difference.
I wonder if it's crank pulley slipping...
Is your Crank pulley pinned??? Maybe the shop forgot to do it when they installed the 17% OD pulley..... No? Just a thought man...

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post #15 of 69 (permalink) Old 02-01-2013, 06:18 PM
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Procharger D1SC 10-11 Psi Dyno Results 600whp

Max, where are you with your boost progress? Any new developments?


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post #16 of 69 (permalink) Old 02-01-2013, 08:49 PM Thread Starter
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Some progress.
Got 3.0 non coated pulley and 108 3/4 Napa HD belt as well as a cobra adapter to move intake and use much bigger filter, possibly green filter used for GT-R setup.
Ah, and need to pin my crank pulley.
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post #17 of 69 (permalink) Old 02-01-2013, 09:16 PM
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Some progress.
Got 3.0 non coated pulley and 108 3/4 Napa HD belt as well as a cobra adapter to move intake and use much bigger filter, possibly green filter used for GT-R setup.
Ah, and need to pin my crank pulley.
What?!! Pin before running again ASAP! Lol! Very interested in that cobra head you are rigging up. Keep up the good work, you are our boosted forged Procharger pioneer.

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post #18 of 69 (permalink) Old 02-01-2013, 09:33 PM
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Some progress.
Got 3.0 non coated pulley and 108 3/4 Napa HD belt as well as a cobra adapter to move intake and use much bigger filter, possibly green filter used for GT-R setup.
Ah, and need to pin my crank pulley.
Pin that crank ASAP and do not get on the Jeep until you have it done or else you will damage that crank on your block.... Pin it first and then if you feel you need more Psi then go to the 3.0" pulley....
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post #19 of 69 (permalink) Old 02-01-2013, 09:42 PM
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Procharger D1SC 10-11 Psi Dyno Results 600whp

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Pin that crank ASAP and do not get on the Jeep until you have it done or else you will damage that crank on your block.... Pin it first and then if you feel you need more Psi then go to the 3.0" pulley....
Completely agree! A right angle air drill is what I used on mine and didn't have to remove a thing. I used a right angle Dewalt cordless drill on my buddies Magnacharger snail blazer install.


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post #20 of 69 (permalink) Old 02-01-2013, 10:05 PM
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Completely agree! A right angle air drill is what I used on mine and didn't have to remove a thing. I used a right angle Dewalt cordless drill on my buddies Magnacharger snail blazer install.


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Yup!!! Could be worse bro.....
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