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Scion xB 2nd-Gen Forced Induction Turbo and supercharger applications...

Boosted...9.8psi 298whp

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Old 02-26-2012 | 09:15 AM
  #101  
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haha yea it is their street tc2, last time was there was at about 600whp ^_^

they really know how to get the most power out of these 4cyl
Old 02-27-2012 | 04:09 AM
  #102  
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Looks sick as hell..... I got the same grill, but I blacked everything out behind it. Think about it, gives it a different look.
Old 02-27-2012 | 06:13 AM
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yea i thought about already and i havnt even got back from shop yet hahaha
Old 02-27-2012 | 01:37 PM
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Originally Posted by sp2
Yea would be so cool, have that extra gear on freeway
Pretty sure 5th gear on the solara/camry trans is lower than the 6th gear on the tc2's trans.

Not positive though.
Old 07-02-2012 | 08:06 AM
  #105  
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I wonder why his descendant kit made this much power at 9 psi, and the other guys took over 11 psi to make the same power?
Old 07-02-2012 | 11:30 AM
  #106  
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Originally Posted by Roller_Toaster
I wonder why his descendant kit made this much power at 9 psi, and the other guys took over 11 psi to make the same power?
Didn't read the whole thread, but as for this post specifically, some main factors that could be explained are:

#1. Exhaust setup. (example: stock vs 3 inch exhaust)
#2. Elevation. (self-explanitory)
#3. Engine Conditioning (proper break-in, proper maintenance)
Old 07-02-2012 | 12:09 PM
  #107  
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Its all about the tune.
Old 07-02-2012 | 01:17 PM
  #108  
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Originally Posted by creamyxb2
Its all about the tune.
Well, there's that too.
Old 07-03-2012 | 07:01 AM
  #109  
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My stock ECU 6 psi setup makes the same power as a "tuned" Descendant setup @8 psi. The reason? 2.5" cat-less vs stock with an axle-back.
Old 07-07-2012 | 07:31 PM
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Originally Posted by ScionFred
My stock ECU 6 psi setup makes the same power as a "tuned" Descendant setup @8 psi. The reason? 2.5" cat-less vs stock with an axle-back.
Is your catless exhaust insanely loud? I tried to replace my scuba with two vibrant ultra quier resonators.....it was louder than my bike (which has an aftermarket can).
Although, i guess the turbo acts like a mini muffler as well?
Old 07-07-2012 | 07:35 PM
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Originally Posted by ScionFred
My stock ECU 6 psi setup makes the same power as a "tuned" Descendant setup @8 psi. The reason? 2.5" cat-less vs stock with an axle-back.
I would like to see your specs on the kit and a dyno sheet.
Old 07-08-2012 | 07:34 AM
  #112  
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Originally Posted by creamyxb2
I would like to see your specs on the kit and a dyno sheet.
Everything you could ever want to know about my setup can be found in this thread. It's very long so you might wish to skip to the end for the current spec's and dyno results. Basically the setup works because the ECU can trim 20% larger injs (440cc), running 93 pump together with Toyos excellent knock sensor handles ign timing issues and keeping the MAF measurement the same as stock keeps ign timing and shift points where they should be. My one dyno run pretty much sucks because the shop was 90F+ and they only had one little fan blowing thru the rad and no air going to the IC or air filter. IAT was ~120F during the dyno runs and the ECU was pulling ign timing.

When I said that I make the same power as a tuned Descendant kit at 8psi I was referring to near-identical 1/4 mile ETs and trap speeds for my car and RJScion's. My heat-soaked dyno session says 215/220 whp/wtq but my ETs say 240whp/wtq which seems about right for 90F vs 60F.

Here is the dyno sheet thread. I thought I also posted it in the main build thread but apparently not.




.

Last edited by ScionFred; 07-08-2012 at 07:48 AM.
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