Forced Induction Superchargers | Turbochargers | Intercoolers

Anyone running a S-trim?

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Old Aug 2, 2007 | 01:29 PM
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Default Anyone running a S-trim?

Thinking of droping my comp down to 10-1 and bolting on a S-trim I have with a front mount intercooler. I'm affraid the blower is way to small for my 402. Opinions?
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Old Aug 2, 2007 | 10:48 PM
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the s trim performs equal to the g trim go with the t or the ysi on the 402
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Old Aug 3, 2007 | 10:23 AM
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Originally Posted by mitch98ss
the s trim performs equal to the g trim go with the t or the ysi on the 402

The S-trim is MUCH bigger than a G trim. There has to be someone running one.
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Old Aug 3, 2007 | 10:45 AM
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I ran a T on a 418. It made 13 lbs. with the aftercooler & 11 through the FMIC. I would expect a couple lbs. less with an S. Your combo sounds like it's pretty high flowing so I would expect even less, I know someone who has a T for sale.
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Old Aug 3, 2007 | 11:45 AM
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I read from Vortech that the S is good for 20lbs of boost. If I don't run the S I will just buy a buddies spare YSI.
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Old Aug 3, 2007 | 01:12 PM
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Originally Posted by 2001WS6Vert
I ran a T on a 418. It made 13 lbs. with the aftercooler & 11 through the FMIC. I would expect a couple lbs. less with an S. Your combo sounds like it's pretty high flowing so I would expect even less, I know someone who has a T for sale.
If I find 2 grand laying around somewhere I wanna throw that T trim on mine
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Old Aug 3, 2007 | 02:52 PM
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The S-trim might be capable of 20# of boost on a 3 litre motor, but it maxes out around 680fwhp (according to Vortech). The most I could get out of mine on a 383 was 7.2# after the FMIC, but it put down 501rwhp through a big 4L80E tranny.

This weekend I am firing up the T-trim replacement!

Jim
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Old Aug 3, 2007 | 03:41 PM
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Since your already in the 9's I would say you need at least a YSi.
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Old Aug 3, 2007 | 04:29 PM
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Time to sell the S-trim.
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Old Aug 4, 2007 | 05:08 PM
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I run an S-Trim but I only have a stock LS1 with cam. Seems like Ysi would be more up your alley. S is a 1000 cfm, T is 1200 cfm, Procharger D1-SC is 1400 cfm, seems like Ysi 1600 cfm or Procharger F1 would be a better match for you.

Last edited by GTOLarry; Aug 4, 2007 at 05:13 PM.
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Old Aug 4, 2007 | 08:53 PM
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To go how fast B?
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Old Aug 5, 2007 | 04:00 PM
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Well if I spray the car I think it's 8.70 capable. I think with the S-the car would go 9.4's on E85 with mufflers all day long. So I gues to get to the spray level it would need a YSI. Or a F2R!!!!
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Old Aug 5, 2007 | 04:10 PM
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For 8's you need a YSi, X, or F1_.
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Old Aug 5, 2007 | 05:50 PM
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LJ was pulling right at 140 mph in the quarter in a heavy car using an S-trim several years back. He was only running about 12 psi, while slightly over-speeding the blower. Go here and click on "timeslips", then "9.94 at 139.1":

http://para.noid.org/~lj/

It was a 383.

Though. . . all I could get was 133 mph from my T-trim making 13 psi through an aftercooler on a 383...

Mike
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Old Aug 5, 2007 | 06:12 PM
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I would think you would need around 145 if your car was like 3200 raceweight? T-Trim is rated for 825hp, and YSi is rated for 1200hp. Thinking about it, a T-Trim would run 8's, YSi's have been going 8.4-8.6's in Renegade and Drag Radial Mustangs.
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Old Aug 5, 2007 | 06:54 PM
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Yea, the S-trim is rated at 680 fwhp, but I'm sure Jeff was around 750. The T-trim is rated at 825 fwhp, but 925 fwhp has been proven on a dyno on a stout 402 SBC.
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Old Aug 6, 2007 | 09:15 AM
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My raceweight is 3150 and the car makes 504rwhp on motor through my Th400 and 12 bolt. I'd lose 40-50hp by droping 4 points of compression but what would I get back max effert out of the S-trim? maybe 650rwhp?
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Old Aug 6, 2007 | 09:34 AM
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I think you would need at least a T-Trim or ProCharger equivalent, that S-Trim is too small for your engine.
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Old Aug 6, 2007 | 12:33 PM
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Originally Posted by ONEBADWS6
My raceweight is 3150 and the car makes 504rwhp on motor through my Th400 and 12 bolt. I'd lose 40-50hp by droping 4 points of compression but what would I get back max effert out of the S-trim? maybe 650rwhp?
I've heard of folks getting close to 600 rwhp from an S-trim through an auto. Not too sure about 650. . .
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Old Aug 6, 2007 | 12:49 PM
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so it would be like adding a 100 shot to what I have now. Damn.
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