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2.1" supercharger pulley installed

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Old 01-16-2007, 07:10 PM
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I have supercharger on ebay! look under ebay seller "lilshyboy" = )


hey how much was the spoiler and who makes it.
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Old 01-16-2007, 07:22 PM
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I'm broke. Just did a $700 stereo.

And JAOS makes the spoiler.
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Old 03-28-2007, 10:47 AM
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I have a related question.

I'm running the URD fuel upgrade kit with IPT VB upgrade and a trans cooler. What size pulley can I safely/effectively run with this setup? I'm not a drag racer but I like dropping the hammer now and then....
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Old 03-28-2007, 10:54 AM
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Originally Posted by SEAN_at_TLT
I have a related question.

I'm running the URD fuel upgrade kit with IPT VB upgrade and a trans cooler. What size pulley can I safely/effectively run with this setup? I'm not a drag racer but I like dropping the hammer now and then....
2.2" pulley is a safe bet if you don''t have an EGT gauge, maybe a 2.1 with an EGT gauge. Any higher will require water/methanol injection.
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Old 03-28-2007, 11:01 AM
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Originally Posted by mastacox
2.2" pulley is a safe bet if you don''t have an EGT gauge, maybe a 2.1 with an EGT gauge. Any higher will require water/methanol injection.
sweet, thanks. What kind of flywheel HP can I expect with that?
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Old 03-28-2007, 11:04 AM
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Originally Posted by SEAN_at_TLT
sweet, thanks. What kind of flywheel HP can I expect with that?
Most people estimate about 320 at sea level with a proper tune.
Last edited by mastacox; 03-28-2007 at 11:05 AM.
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Old 03-28-2007, 11:19 AM
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Originally Posted by mastacox
Most people estimate about 320 at sea level with a proper tune.
very nice.....very nice indeed! I'm sure I'll be chiming back in once I get to the tuning aspect.
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Old 03-28-2007, 11:24 AM
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Originally Posted by mastacox
Most people estimate about 320 at sea level with a proper tune.
Is that with the 2.2 pulley?

When I was talking to Brian @ URD he said 2.2 was the smallest you want to go without WI, with WI 2.1 was ok, and 2.0 would spin the SC past the rated max rpm.
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Old 03-28-2007, 11:39 AM
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Originally Posted by mt_goat
Is that with the 2.2 pulley?

When I was talking to Brian @ URD he said 2.2 was the smallest you want to go without WI, with WI 2.1 was ok, and 2.0 would spin the SC past the rated max rpm.
yeah, with the 2.2".
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Old 03-28-2007, 12:01 PM
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Originally Posted by mt_goat
Is that with the 2.2 pulley?

When I was talking to Brian @ URD he said 2.2 was the smallest you want to go without WI, with WI 2.1 was ok, and 2.0 would spin the SC past the rated max rpm.
Yup, 320 crank hp with the 2.2" pulley.

I mentioned the possibility of running a 2.1" pulley as long as you have an EGT gauge, but you would need to keep a close eye on that gauge and back off on the throttle if you get close to catastrophe. It's obviously a better option to get WMI with the 2.1" pulley.

As for the 2.0" pulley, I wouldn't be interested in trying it. It pushes something like 15psi of boost I think and when boost gets that high I would be on the border of wanting to get an intercooler, meaning either turbo or centrifugal supercharger would have to replace the roots one.
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Old 03-28-2007, 01:12 PM
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Originally Posted by mastacox
I mentioned the possibility of running a 2.1" pulley as long as you have an EGT gauge, but you would need to keep a close eye on that gauge and back off on the throttle if you get close to catastrophe. It's obviously a better option to get WMI with the 2.1" pulley.
.
Since you brought it up At what temp would catastrophe happen anyway?
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Old 03-28-2007, 02:36 PM
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Originally Posted by mt_goat
Since you brought it up At what temp would catastrophe happen anyway?
Lemme guess! 1550* is where I was running when things burned... I would think that 1600* would be pretty sudden bad news.
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Old 03-28-2007, 03:00 PM
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Originally Posted by mt_goat
Since you brought it up At what temp would catastrophe happen anyway?
Originally Posted by midiwall
Lemme guess! 1550* is where I was running when things burned... I would think that 1600* would be pretty sudden bad news.
Based on Gadget's testing, I think 1450* ought to be the high end.
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Old 03-28-2007, 03:13 PM
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Originally Posted by mastacox
Based on Gadget's testing, I think 1450* ought to be the high end.
I've always thought that 1450* was max power...

ref:
http://www.gadgetonline.com/Gauges.h...monitor:%C2%A0
EGT Gauge
In my dyno testing max power was between 1400-1450 F. Over 1450 the power would drop off indicating a loss of power from to lean of a mixture.
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Old 03-28-2007, 03:18 PM
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Originally Posted by midiwall
Lemme guess! 1550* is where I was running when things burned... I would think that 1600* would be pretty sudden bad news.
Nothing like first-hand experience to use as a guide.
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Old 03-28-2007, 05:53 PM
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............................
Last edited by QSVeilside; 11-18-2007 at 01:20 AM.
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Old 03-28-2007, 07:05 PM
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Originally Posted by QSVeilside
If I'm not mistaken, even the 2.1" pulley spins faster than TRD's recommended rpms on the sc.
I think you're right, but only near redline IIRC.
Last edited by mt_goat; 03-28-2007 at 07:09 PM.
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