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P1sc max power capability

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Old Jul 19, 2014 | 02:36 PM
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Default P1sc max power capability

Few locals been having a conversation about max rwhp you could see from the baby P1sc
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Old Jul 20, 2014 | 07:33 AM
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It's in the 600-700 range. You don't see too many people pushing them that hard because once they get the bug to push it harder, most just trade up to a D1SC or F1 blower.
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Old Jul 20, 2014 | 07:50 AM
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Here's the dyno sheet from Mr. Bigs max effort P1SC right before he took it off. I think this was on a stock bottom end LS2 with full bolt ons/cam/etc.

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Old Jul 20, 2014 | 09:37 AM
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Wow, I'm surprised it made that much. But I've also seen some maxed out D1's make north of 850 rwhp as well.
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Old Jul 21, 2014 | 06:56 AM
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Being that they are 200cfm difference I would think that you could divide the cfm diff between the two and multiply the max effort of a d1's results and the p1 max would be be the product? The equation would look like: 1200cfm / 1400cfm= 0.857 x 850rwhp=728.45rwhp on the same setup with the p1? No?
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Old Jul 21, 2014 | 07:12 AM
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Originally Posted by JRENIGAR
Being that they are 200cfm difference I would think that you could divide the cfm diff between the two and multiply the max effort of a d1's results and the p1 max would be be the product? The equation would look like: 1200cfm / 1400cfm= 0.857 x 850rwhp=728.45rwhp on the same setup with the p1? No?

I don't think it's that straight forward. For one, we don't know how accurate those cfm numbers are from Procharger. Also, efficiency plays a role here as well.

Using your calculations, the corvette that made 786rwhp with a P1 could have made ~917rwhp with a D1. I've never seen a D1 make a 9xx, but I guess it could be done with the right setup.... light drivetrain, higher compression, higher cubic inch, pretty agressive tune with e85.
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Old Jul 21, 2014 | 11:11 AM
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Originally Posted by The Alchemist
I don't think it's that straight forward. For one, we don't know how accurate those cfm numbers are from Procharger. Also, efficiency plays a role here as well.

Using your calculations, the corvette that made 786rwhp with a P1 could have made ~917rwhp with a D1. I've never seen a D1 make a 9xx, but I guess it could be done with the right setup.... light drivetrain, higher compression, higher cubic inch, pretty agressive tune with e85.
True. The #'s from procharger should be accurate to a degree as they are the ones who built and tested the head units to deturmine the flow #'s. The efficiency range of the compressor and the particular engine combos needs should be the deturmining factor in the P1's final capable #'s I would think, no? IDK where the efficiency range of a P1 falls off at vs a D1 in actual hp #'s so the equation was assumming all were within their own range.
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Old Jul 21, 2014 | 12:44 PM
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Well, Procharger has been known to sandbag their flow and hp numbers.
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Old Jul 21, 2014 | 12:51 PM
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Originally Posted by 2005vetteTT
Here's the dyno sheet from Mr. Bigs max effort P1SC right before he took it off. I think this was on a stock bottom end LS2 with full bolt ons/cam/etc.

Wow, never realized a P1SC could make that much steam. Good to know though.
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Old Jul 21, 2014 | 12:53 PM
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Originally Posted by The Alchemist
Well, Procharger has been known to sandbag their flow and hp numbers.
By that you mean under rate or over inflate? Not trying to be a smartass, Im curious. I just bought a P1SC1 kit and Im hoping for some good #'s from it.
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Old Jul 21, 2014 | 12:54 PM
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Originally Posted by Rise of the Phoenix
Wow, never realized a P1SC could make that much steam. Good to know though.
Hell yeah, Im feeling better about my kit by the minute!
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Old Jul 21, 2014 | 12:58 PM
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Originally Posted by JRENIGAR
By that you mean under rate or over inflate? Not trying to be a smartass, Im curious. I just bought a P1SC1 kit and Im hoping for some good #'s from it.
How good of a deal did you get on the P1SC kit?
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Old Jul 21, 2014 | 01:12 PM
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Originally Posted by Rise of the Phoenix
How good of a deal did you get on the P1SC kit?
pm sent. lol
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Old Jul 21, 2014 | 01:39 PM
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im making 500 now with the 3.5 intercoolers, windshield washer fluid , ls6 intake , bbk longtubes, 3.4 pulley making about 10lbs .

So add a fmic and a cam i dont see why i couldnt get 550 easily out of a ls1 .


p1sc-1 with the sdce setup .
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Old Jul 21, 2014 | 02:57 PM
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I was at 702rwhp at 6100rpm with a P1SC1 (better than the P1SC and close to the D1) at 10lbs of boost and a baby (non blower)cam
I'm now forged with a custom cam and aiming for 14-15lbs, so should make some good power. I think the only thing that will hold me back is possible intercoolers restriction.
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Old Jul 21, 2014 | 03:47 PM
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I didn't realize there were two different P1SC blowers.
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Old Jul 21, 2014 | 04:04 PM
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Originally Posted by Rise of the Phoenix
I didn't realize there were two different P1SC blowers.
Yeah they have almost the same specs on ATI's spec sheet. The ATI tech I talked to said the specs dont tell the whole story on the p1sc1 though. He claims it has more in it than the p1sc partly because of the improved curved impeller but that could be him talkin crap and possibly .
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Old Jul 22, 2014 | 08:04 AM
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Originally Posted by JRENIGAR
Yeah they have almost the same specs on ATI's spec sheet. The ATI tech I talked to said the specs dont tell the whole story on the p1sc1 though. He claims it has more in it than the p1sc partly because of the improved curved impeller but that could be him talkin crap and possibly .
It also can be spun to a slightly higher RPM
When I spoke to them about upgrading to a D1, he said it would be worth it from a regular PI, but not enough difference from a P1SC1.
I don't think he would turn down an upgrade sale
P1SC = 62000rpm max
P1SC-1 = 65000rpm max
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Old Jul 22, 2014 | 08:38 AM
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Originally Posted by BOTTLE ROCKET
It also can be spun to a slightly higher RPM
When I spoke to them about upgrading to a D1, he said it would be worth it from a regular PI, but not enough difference from a P1SC1.
I don't think he would turn down an upgrade sale
P1SC = 62000rpm max
P1SC-1 = 65000rpm max
I agree, not too many dealers trying to talk customers out of upgrading parts these days.
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Old Jul 22, 2014 | 08:40 AM
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when you max **** out is when it breaks lol
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