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Old 06-03-2011, 04:29 AM   #35
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My numbers are below, and that's on a conservative tune, and 12 lbs of boost. With my turbo kit and the cubic inches, I'm making over 600 ft lbs at around around 2000 rpm, peak torque around 4500 and peak hp at around 5600. I don't have my dyno sheet to look at right now...so that's the closest I can tell you..

A properly designed turbo system will spool plenty quick enough to make the torque you want, and it doesn't care how much you grow the cubes within a given block...
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Old 06-03-2011, 05:37 AM   #36
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do you have Long tube headers also who ported your heads, i saw texas speed with long tubes and ported heads and a cam made around 690 hp, also the tune is very important what type of fuel are you using that affects numbers too.
CBM ported heads with larger exhaust valves & ARE lt's 3" exhaust , FastLane dual fuel pump + BAB & using 93 octane.

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Old 06-03-2011, 06:47 AM   #37
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as far as I know is the stock that came with the whipple kit
Yah I think I heard that it normally comes with the 4" pulley. Well if the 3.75" one works sweet on mine then you got a choice to swap out pulleys. I believe it says on the pulley what size it is.
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Old 06-03-2011, 06:55 AM   #38
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inferno, you putting the 3.750?
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Old 06-03-2011, 06:57 AM   #39
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inferno, you putting the 3.750?
Yah.
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Old 06-03-2011, 10:51 AM   #40
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Keep in mind when you install a cam it changes the boost number and its hard to get a fair comparison.I have a stock ls3 with a 2300 ,stock airbox longtubes and at 9lbs it makes 572 through a 9 inch with 22s,this is with our 102 tb which helps quite a bit,,
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Old 06-03-2011, 02:11 PM   #41
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9 PSI w/ TVS 2300 1:1 Pulley
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Old 06-03-2011, 02:54 PM   #42
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Ok, well I'm not gonna be running the 3.75" and gonna try the 4" and 3.875" pulleys instead.
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Old 06-03-2011, 02:57 PM   #43
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Keep in mind when you install a cam it changes the boost number and its hard to get a fair comparison.I have a stock ls3 with a 2300 ,stock airbox longtubes and at 9lbs it makes 572 through a 9 inch with 22s,this is with our 102 tb which helps quite a bit,,
does the 102tb make anymore power?
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Old 06-03-2011, 02:58 PM   #44
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inferno why the change on the pulley?
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Old 06-03-2011, 03:01 PM   #45
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inferno why the change on the pulley?
Guess the 3.75 will run at 11PSI. Prob be to much for a stock bottom.
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Old 06-03-2011, 03:46 PM   #46
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Whats up fellas.

I'm getting mixed answers from my sources on whats the right pulley to have on the car for our particular purposes. So rather than roll the dice.
I went ahead and made sure that we are gona have several different pulleys on hand and ready to swap while we're on the dyno. We're gona start big 4" and work our way down.

Inferno is on a stock bottom end, and for now we wanna keep it that way.
So our goals for this build are gona be in the high 500 low 600rwhp range. Which should be easy.

I believe that the current setup is more than capable of surpassing these #'s, as some of you have stated. However with stock internals anything past 600rwhp is playin with fire. Please keep in mind that we're talking about well over 700fwhp on hyperpathetic pistons and mediocre rods.

Oh and BTW, i think it was touched upon already. But RWHP and what a motor can handle don't correlate directly to boost #'s. and vise versa

A while back we did a very custom GTO making 930rwhp on a 389ci motor, running on 91 octane and meth, daily driver, with only 13lbs of boost. Effieciency is so crucial to these combos.

Thanks
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Old 06-03-2011, 03:57 PM   #47
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I am making 625rwhp/595rwtq at 8.5psi with stock internals with a Maggie & 3.4 pulley.
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Old 06-04-2011, 11:52 AM   #48
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I am making 625rwhp/595rwtq at 8.5psi with stock internals with a Maggie & 3.4 pulley.
thats about my goal. I do want to break 600, but I think Haddad just want it to be safe and last.
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Old 06-04-2011, 02:18 PM   #49
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I got 535/519 at 8psi on a L99 with a Kenne Bell.
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Old 06-04-2011, 03:40 PM   #50
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9 PSI w/ TVS 2300 1:1 Pulley

Stock everything else

560RWHP / 520RWTQ
1:1 pulley? Not following you there.....Assuming 1:1 on the back side. What's on the front side?
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Old 06-06-2011, 01:26 AM   #51
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7psi was peak run.
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