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Forced Induction Turbochargers and Superchargers..Got Boost?

TT vs ST dyno overlay

Old Jul 7, 2006 | 06:17 AM
  #21  
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This arguement has to many variables for anyone to be right.

Turbos can be modified in both set ups, plus tons of other avenues to help create more power.

How about we call it a draw and go read more GOD threads?
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Old Jul 7, 2006 | 06:41 AM
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If the power band is so much superior on twins I'm surprised that Single Turbo cars are running the same if not faster times and trap speeds as the twins with LESS hp...
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Old Jul 7, 2006 | 07:12 AM
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Oh man here we go again
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Old Jul 7, 2006 | 08:40 AM
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Old Jul 7, 2006 | 08:43 AM
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So ummm....does anyone have a dyno??
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Old Jul 7, 2006 | 09:38 AM
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Originally Posted by MIAPLAYA
If the power band is so much superior on twins I'm surprised that Single Turbo cars are running the same if not faster times and trap speeds as the twins with LESS hp...
not everyone can drive like Alberto..

wait yes.. yes they can... Brian and Jason can drive like Alberto
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Old Jul 7, 2006 | 09:39 AM
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Originally Posted by thawk408
So ummm....does anyone have a dyno??

Nope .. but it appears everyone brought their big dikcs today .. and they are a swingin'
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Old Jul 7, 2006 | 09:46 AM
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what kits would you like to compare?

a greddy TT curve would look way different than a JWT curve

and a TN curve looks a little different than an APS ST

also what ballpark whp are we talking about?
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Old Jul 7, 2006 | 09:59 AM
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here's a TN ST and a greddy TT. I forgot who's dyno curves they are, but you can't even really compare dyno curves accurately unless they're from the same dyno on the same day

these are not, so take the differences with a grain of salt as more of a general ballpark sorta thing. I don't even think they're quite making the same power level on top of everything
Attached Thumbnails TT vs ST dyno overlay-turbo_graph.jpg  

Last edited by sentry65; Jul 7, 2006 at 10:18 AM.
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Old Jul 7, 2006 | 10:09 AM
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Originally Posted by sentry65
here's a TN ST and a greddy TT. I forgot who's dyno curves they are, but you can't even really compare dyno curves accurately unless they're from the same dyno on the same day

these are not, so take the differences iwith a grain of salt as more of a general ballpark sorta thing. I don't even think they're quite making the same power level on top of everything
Any annotation as to what color represents what? Even though I have a good idea..
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Old Jul 7, 2006 | 10:17 AM
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the gray/blue is TN, the red is greddy
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Old Jul 7, 2006 | 10:19 AM
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Originally Posted by sentry65
the gray/blue is TN, the red is greddy
Good stuff...
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Old Jul 7, 2006 | 11:13 AM
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Originally Posted by sentry65
here's a TN ST and a greddy TT. I forgot who's dyno curves they are, but you can't even really compare dyno curves accurately unless they're from the same dyno on the same day

these are not, so take the differences with a grain of salt as more of a general ballpark sorta thing. I don't even think they're quite making the same power level on top of everything
are they the same PSI?
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Old Jul 7, 2006 | 11:13 AM
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Originally Posted by doug
are they the same PSI?
Thats VERY doubtful based on the power production...
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Old Jul 7, 2006 | 11:33 AM
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Originally Posted by doug
not everyone can drive like Alberto..

wait yes.. yes they can... Brian and Jason can drive like Alberto
I love how people set me as the standard and compare others to me without anybody even mentioning my name BTW-dont compare other drivers to me unless we all have the same power to make a semi-fair comparison
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Old Jul 7, 2006 | 11:35 AM
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Originally Posted by Alberto
I love how people set me as the standard and compare others to me without anybody even mentioning my name BTW-dont compare other drivers to me unless we all have the same power to make a semi-fair comparison
why wouldn't we use you as an example.. you are one of the best drag racers on this forum.. and obviously when a ST vs TT Drag debate comes up.. your name will come up.. Just like Jason, Brian and those guys from PR running 10's.
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Old Jul 7, 2006 | 11:50 AM
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Im with Mia on this one..... TT swapped to ST wouldnt be so desired if there wasnt a true benefit to doing so.
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Old Jul 7, 2006 | 12:18 PM
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Originally Posted by doug
are they the same PSI?
who knows, it's impossible to accurately compare dynos. I said it was just a ballpark chart

besides, psi isn't an absolute measurement to compare cars by. You can have 2 cars with 8 psi, but one has cams, plenum. test pipes and dual exhaust and the other is bone stock.

The one that can breath better will have much higher numbers even though the psi is the same. All a boost gauge measures is pressure, not air volume or velocity.

Like dynos, boost is really only relative to that specific car
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Old Jul 7, 2006 | 12:46 PM
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Originally Posted by MIAPLAYA
If the power band is so much superior on twins I'm surprised that Single Turbo cars are running the same if not faster times and trap speeds as the twins with LESS hp...
Cause motherF'ers cant drive man!!
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Old Jul 7, 2006 | 01:19 PM
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