What dyno numbers have you seen and what else was used or can be used to maximize a stage 1+ car?

O2 Housing?
Manifold?
Intercooler/piping?

 

tubular manifold.
head porting.

 

RNR's tubular manifold looks and sounds impressive - They said they would develop one for the stock turbo if there was enough interest. Also, Borla has one with a Lifetime Warranty.

Vishnu any opinions on their (RNR/Borla) manifolds?

 

sounds like a tubular header would make a complete stage 1+ IMO

 

nitrous.

 

no no no, not on a car with advanced timing. from what i understand, that is really bad news.

 

i am sure shiv could tune the xede for the nitrous. at least i hope he can, because i am leaning in that direction after my stage 2 is complete.

marc

 

No info from the Vishnu guys yet,I know they have read this???

 

Most guys w/ the stage 1+ are pretty much at the limits of their stock turbos. I am not too sure if Shiv recommends putting an aftermarket exhaust manifold because the stock one is a perfect match for the stock turbo. Plus their expensive and there might not be that much of a gain in horsepower. I believe Vishnu is working on some type of turbo housing that is off the Evo VI, which might give an easy 10-15 more ponies.

 

True and the reliability issues. We will see if there is advantages of the 10.5 as well as tubular mannies but in all honesty a stage 1 on racegas or octane increaser is an absolute blast on the road and track

 

Picked up 8 whp w/ upgraded intercooler on 91 pump....BUT 27whp on c16 racegas.

FYI

 

You have my attention! Tell us more.

 

Looks like NorCal Tom has found us more power...

 

I'm getting a chubby....

 

Slapped on an upgraded intercooler (which shall remain nameless) and had Shiv retune the car on both 91 and C16.
He pulled out 280whp on the 91 map w/ no problems.

Next came the racemap. First pull 342whp. Holy shi*. I couldn't believe it. I was thinking I might pull low 320s at most. Next several pulls were in the 340+whp range.

All of a sudden Shiv was getting something similar to a cut in the upper rpm ranges on the next few runs. To be on the safe side he detuned the map a bit.
Seems we found the limit of the stock injectors. They do not seem to like anything over 320swhp on Shiv's dyno. (360whp dynojet whp)

The lesson learned from the tune:
the stock turbo is not as small as thought. On racegas w/ stage 1+ and upgraded intercooler and injectors 350whp on dd dyno or (400whp dynojet)
is possible.
On the streetmap an upgraded intercooler will not yield as much gain. I gained 8whp on 91. On a 93 map perhaps 12-15whp is a definite possibility.

Hope this helps. Sorry for hijacking the thread a bit.