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Old May 6, 2005 | 07:30 PM
  #3856  
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From: SL,UT
Oh I know it has been done, actually, I think there's like 3 Evos that have it done... and a lot of cars have it so that one can be used to spin the other or something like that
Old May 6, 2005 | 07:31 PM
  #3857  
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From: uber bfe
Originally Posted by scott88vr6
Though it has been done Jake
that doesn't make it right!!!!!!!!
Old May 6, 2005 | 07:31 PM
  #3858  
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From: uber bfe
what does an s2k weigh??
Old May 6, 2005 | 07:35 PM
  #3859  
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I haven't looked back to find what type of supercharger Mike is running on the S2k (I assume an Eaton Whipple), but I know a lot of the true, "Twin Screw" like the Ken Bell stuff have a much better effencicey curve. (Man, can't spell tonight) ...

Anyways ... assuming there are no really common Ken Bell solutions for the S2k, I could get you in touch with a 3D mechanical designer friend that has done some drawings for the 1.3L 2-Rotor and 2.0L 3-Rotor Mazda rotory motors. He actually has a 20B Mazda motor in hand, and is trying to eek it into a chassis and get a supercharger setup done for it.

jcnel.
Old May 6, 2005 | 07:40 PM
  #3860  
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From: SL,UT
Comptech, and I think around 2600 lbs if I remember right...
Old May 6, 2005 | 07:46 PM
  #3861  
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From: UTAH
Centrifical
Old May 6, 2005 | 07:49 PM
  #3862  
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From: SL,UT
Banana
Old May 6, 2005 | 08:00 PM
  #3863  
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From: UTAH
Hammock
Old May 6, 2005 | 08:03 PM
  #3864  
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From: uber bfe
Twin screws are not efficient. They build good torque at low rpms, then leave you sucking hot air. Centrifugal s/c's (which I believe the comptec is) have a lot better top end than a twin screw, but don't make the low end power that a twin screw will. With the agressive port and cam design that the f20c head has, the optimal way to build good usable power is tubocharging it. Take for example Chris Barnes' yellow 2000 s2K. With a gt-30r he made 559whp at 23psi!!!! If you look at the dyno chart, he hits peak torque at about 8000rpm, but the cool part is how flat the torque curve is. From 5500 to 8000 it climbs about 40 lb-ft and from 8k to redline it only drops about 5lb-ft. That is a linear power band.

I don't mean to say that the rich douche-bag doesn't have an optimum set-up. For the style of driving he wants, i'm sure it's a great combo, just not what id do if it were my s2k
Old May 6, 2005 | 08:05 PM
  #3865  
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From: uber bfe
still though 339 in a 2600lb car!!! that's enough to put a few good cars on most of us here in the straights!!
Old May 6, 2005 | 08:10 PM
  #3866  
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From: SL,UT
IF and that's a BIG if, it has traction
Old May 6, 2005 | 08:10 PM
  #3867  
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Originally Posted by liberty2000rs
Mike is your set-up intercooled??? I ask because superchargers compress air at a far lower efficiency than a turbo. So even though upping the boost seems real logical, if you don't have a good way to cool the charge it becomes extremely hard to build good power and evade detonation. You should ditch the supercharger next winter and do a good turbo set up on that beast. I think we would all be bowing to 1fsts2k if that were the case!!!


Ohh, congrats on getting it back, I look forward to spending some time with you guys at the track this fall.
It's inter and after cooled.

I think the current power setup is more usable for the track. We'll see though ... maybe once I get it out on the track again, I'll be desparate for more.

Oh ... Scott, the Volks look great on your car! So how much are you going to raise it with the new suspension?
Old May 6, 2005 | 08:11 PM
  #3868  
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From: uber bfe
Can't you tuck like 315's under those suckas???
Old May 6, 2005 | 08:12 PM
  #3869  
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From: UTAH
Originally Posted by MSM_S2K
It's inter and after cooled.

I think the current power setup is more usable for the track. We'll see though ... maybe once I get it out on the track again, I'll be desparate for more.

Oh ... Scott, the Volks look great on your car! So how much are you going to raise it with the new suspension?
I think I am going to steal Rob's sandrail suspension and put it on while he is gone Going for the REAL rally looks
Old May 6, 2005 | 08:13 PM
  #3870  
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From: uber bfe
Hahahahahahaha, do think you could fit 32" shocks under that sucker??? that would be the new hawtness!!



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