[s-cars] With all of the hybrid and other turbo options, is the RS2 turbo...

Djdawson2 at aol.com Djdawson2 at aol.com
Sat Jun 11 15:45:55 EDT 2005


In a message dated 6/11/2005 1:16:56 PM Mountain Standard Time,  
auditechni at yahoo.com writes:

I want  to get close to the max HP with stock
internals, and I am wondering if I  should go the RS2
route ($1400) or with one of the turbos offered  by
garret or Javad? What is the max that I can expect
from a RS2 315 whp  or so?
 
Mine did 325/401 at the wheels (corrected).  The RS2 stuff is a very  good 
option... assuming you go with the turbo, EM, injectors, MAF and  software.
 

Are the  other makers as reliable? Has anyone had a failure from their  
hybrid?
 
There are quite a few folks who have run hybrids built by Innovative Turbo  
Systems, and many of us have had failures, or substantial smoke problems.   I 
would highly recommend staying away from their products... too many issues...  
too many people.  I'm a fan of sourcing my stuff through an  authorized 
Garrett shop, and as such, buy my turbos from TEC in Golden,  CO.  No failures, and 
solid performers.  I've put quite a few into  other folks cars, and have had 
no issues.
 
By the way... DO NOT be tempted by ebay turbos... JUST SAY NO.
 


Has  anyone had Javads RS2 comparible unit on a dyno?
 
I have not.  Javad has quite a bit of excellent knowledge and  experience.  
I've talked with him offline numerous times for feedback on  some of my own 
projects, and consider him a great source of information.  I  don't know who 
builds his hybrids, but would have to guess he's found someone  reliable.
 


$1400 has me doing alot of thinking before I buy. For
you guys  running a RS2 setup, would you do it again or
go a different route or  stayed content with a MTM
chip?
 
For the most bulletproof, reliable, and simplest upgrade, it's hard to beat  
the RS2.  I've taken my car beyond that point, but could have been happy  with 
the RS2 for as long as I owned the car.  Very fun.  No, I'd never  be content 
with a K24 powered S-car... there's SO much more to be had... but  that's 
just me  ;-)
 
If you're going to go the Garrett route, I would suggest a 50 trim cold  
side, and use a stage 1,2 or 3 turbine wheel in a good aftermarket KKK  housing.  
Stage 1 hits significantly sooner, but stage 3 gives you more  peak hp.  I've 
tested them all on a dyno, and all will do better in peak hp  than the RS2.  
All tests have been done on the same dyno, corrected the  same way.  However, 
none will make as much peak torque as the RS2.   The RS2 makes 20-30ft/lbs more 
torque, and does it earlier.  From a  drivability perspective, it is the 
clear winner.  But the  RS2 runs out of steam on the top end... since it's 
compressor is only  capable of moving about 34 lbs/minute efficiently.
 
If cost is the driver, keep in mind that while a brand new hybrid will cost  
you less than $900, you will have to make oil and water lines.  It isn't  
difficult, but will take some extra time, and a couple hundred dollars.   Javad 
does offer line kits that can save you the trouble.
 
HTH,
Dave


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