Well it depends on efficiency. A turbo running at 9psi at 80% efficiency will make more power than a turbo running at 9psi at 50% efficiency. This is the reason why turbos generally make more power than SC's, they are just a more efficient air pump. This is also why centerfugal SC's generally make more power than roots types, they are more efficient--they don't have to work as hard to make optimal boost levels, which in the case of the supercharger, means less parasitic loss also.

 

sh*tbox what you say is true. A centrifugal SC will be more efficient and thus have more power potential vs a rootes type SC. But an exhaust driven centrifugal blower, a turbocharger, will make more power than either because most of the power to drive the compressor is coming from the exhaust gas not off the crankshaft. If both types of engine are making the same IMEP the turbo engine will make more power.

 

Oh, really? I'd like to see what modifcations it takes to make a 6G EX coupe run 14's with the JRSC.

I don't like the centrifugal supercharger setups. It's too much money and all the power is proportional to RPM. Yea, it makes like a lot of power, but there's just not enough power "under the curve."

I will challenge a JRSC D16 coupe any day of the week (after emissions .)

 

Yup, no belt means no parasitic loss

 

haha what's up with your super low torque numbers? I made 176/173 whp on 8 psi with my apexi turbo kit on my 00 ex. Oh yeah IHI ball bearing turbos own. BTW are you maurader, i'm thinking you changed your name cause you were so embarrased the apex turbo guys own your overpriced pos edlebrock kit.

I'd be glad to race you for slips

 

btw chassis dynos (dynajets) aren't very accurate, they dyno about 10 whp higher than dynojets. So really your car is putting out 165 whp 130 torque.

 

you don't need that crap, my intercooler didn't even have that tab.

Just hook up the piping, and line the top of it up with the radiator support. The piping will hold most of it up and just get some sturdy zip ties and that will do the trick. My intercooler has been mounted like that for over 8 months without a problem.

 

First of all I AM NOT Maurader. He has no reason to go on any forum with a fake name. I am my own person and I have forgotten more about turbocharging than you know.

Secondly what do you know about what chassis dyno that was used for the development of the Perfomer X kit. I can guarantee it was not a Dynojet or some other cheap interia dyno and the publish power figures are honest and accurate.

I do not doubt that that your particular combination may work very well. I do not compare the Performer X kit against every other turbo combination that exists. The Performer X kit is not cheap or a pos, it provides the best of everthing that should be in a turbo kit. The kit is CARB certified, complete, easy to bolt-on and performs as advertized with no tuning. Not all turbo kits do that.

 

actually the chassis dyno is a dynajet so you must have forgotten everything you've ever learned about turbocharging junior.

I also find it funny, you just compared it to the greddy kit a few pages earlier in the thread but when i mentioned my apex kit putting out 30 more wheel torque than you all of a sudden you don't want to compare anymore.

And the idea of no tuning is just horribly stupid. If you're too lazy/ignorant to tune a turbo car you shouldn't own one.
Every car has different conditions, elevations, and other factors to deal with. When you're pushing 7+ pounds of boost through a weak aluminum block motor with toothpick rods the last thing you want is "universal out of the box tuning"

Besides it's priced so much higher than most the kits out there and the extra intake manifold/parts obviously don't put out any better numbers than say a 15G greddy kit at the same boost levels.

 

haven't we heard this argument enough times already? :dunno: :fawk: