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custom pulleys??

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Old Apr 14, 2008 | 12:22 AM
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Rickys S/C Z28's Avatar
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From: MOREHEAD KY
Default custom pulleys??

i have a buddy that can make pulleys, and what im wondering is if i have him make a 3.00 8 rib pulley and a 8in 8 rib pulley will that make 10 ps1 from a P1sc? or will it be to much for it?

also is there any one making 10+ psi from a P1SC? if so how? thanks
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Old Apr 14, 2008 | 07:39 AM
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Well it might make 10 psi (it depends on your entire setup), I've seen a P make 8-9. But at 6k rpm on the engine you'll be spinning the blower to 65,600, which is past it's 62,000 redline. So it's a bad idea unless you plan to set your shift points to 5500 or so.

crank pulley divided by blower pulley times 4.1 times engine rpm equals blower speed
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Old Apr 14, 2008 | 01:41 PM
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Although going 5% (approx from your numbers above) above redline occasionally shouldn't kill the blower.

Jim
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Old Apr 14, 2008 | 08:16 PM
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what happen if you over spine the head unit?and WAHUSKER thanks for the formula
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