Lagavulin

Nice post Z!

As usual, John has trouble grasping the facts, and comically continues to contradict himself. His continued rantings against the 'inferior centrifugal' and how the turbo is superior is just hilarious! For example:
As Z has astutely pointed out, even the GTech results 'dispute' EVERYTHING he has said about the performance of the centrifugal versus a turbo when it comes to 928's. What excuse will he come up with next?

So with this false-as-usual comment in mind:
...how could anyone justify paying *twice* as much for something when they can get something for *half* of that, and still be *quicker* on top of it all?

Fortunately for the rest of us, a continued barrage of erroneous claims as above do not make for a 'fact'. As such, it looks like a win-win (..much less expensive, quicker) situation for the centrifugal.

And not only does the centrifugal cost *half* as much and is *quicker*, it's real beauty lies in it's carefully engineered *simplicity*, a real plus at installation time, and over the life of the car.

I'll be the first to admit the 'coolness' factor is definitely there having 'twin-turbos', but that opinion would change the moment the light turns green and started choking on this from the similar car with a centrifugal whose kit cost *half* as much:

hacker-pschorr

I don't think this is brought up enough. The simplicity of the SC install is the #1 reason why that is my game plan. I've helpe swap out manifols on 928's before - on a 2 post lift. It has to be the biggest pain in the a** job on these cars. Not to mention most people will be doing the install on jack stands. I don't recall having to jack up the car for the SC install - except to gain access to the windshield washer tank.

I agree with Lag that the TT setup is awesome - Get working on the S4!!!

John..

So you're saying a car running 9 lbs with the CS making less than 300 ft-lbs will outrun a car running 9 lbs making over 350 ft-lbs and 20-30 more HP? Now THAT is funny guys. You want to try a 50-120 MPH roll on, real world type stuff? Let's compare the apples to apples here. None of you have ever seen my Callaway twin turbo and I will remind you all, again, those performance specs were before I ever touched the car. Yes, it seems to me I added 70 or so HP to the equation already. The specs you quote are for Carl's race car, which I believe has the Euro heads and camshafts.

If you think changing manifolds is a big deal, then the TT is not for you. Personally I think that is an easy job. For those who have the patience and desire it is a great setup with performance to match. Talk all you want about too much heat. My original TT was around with better than S4 performance before there was an S4...1983

I suggest you hold back on your comments, need I remind you how I shot holes clean through Lag-Algebra last year?

hacker-pschorr

That make's up 99.9% of the SC market. I was NOT trying to bash your setup with my comment about the manifold. Truth is for someone that has never done them before it can be very difficult. Ever snap a stud off trying to get the original manifold off? I've seen it happen - not fun. The SC install is much easier to install than any TT setup - no denying that.

I'm going to try and speak for everyone here. Only you and Lag care about that. The rest of us care about an easy to install and inexpensive way to get more HP. SCing is that route. TT is an awesome idea from a performance standpoint, but not a user friendly one.

I say this for the 3rd time, again to be taken as a positive kick-in-the-butt motivational comment - Get back to the garage and knock out that TT S4!!

Carl Fausett

John - turbo question from your post: ...how do you do that?

Lagavulin

What are you going to do, inflict everyone with more of your brand of mis-information? Hey you know what, you must be the 928 version of Baghdad Bob; Baghdad John!:

http://www.welovetheiraqiinformationminister.com/

...since just about EVERYTHING you say is simply NOT the truth, and not even close.

Here's one of my favorites:

"They're coming to surrender or be burned in their tanks."

How 'bout this one?

"Who are in control, they are not in control of anything - they don't even control themselves!" (..they are producing WAY too much peak horsepower on the DynoJet!)

Did you notice how the 'real' Baghdad Bob's rhetoric sounds so similar to yours with regards to turbos and centrifugal superchargers? This one is more fitting though for Baghdad John:

"We have destroyed 2 tanks, fighter planes, 2 helicopters and their shovels - We have driven them back."

"We have them surrounded in their tanks"

And the best one is:

"The American press is all about lies! All they tell is lies, lies and more lies!"

Doesn't all that sound like:
Go take a look at your own GTech data.

Maybe in your own mind you did.

The only discrepancy was the guess-timate I had to make regarding the impact on NA performance using the non-stock exhaust manifolds. It's kind of tough to do since there was no NA dyno numbers with stock manifolds versus the stock manifolds.

As usual, someone has to spell it out for you so you can't twist and manipulate something into something it's not. What a waste of time, as always...

GoRideSno

Man.......same old same old...this is like a sitcom. I guess it needs a theme song and a title. I'll give it a shot.
That Centrifugal Show

Hanging out
On Rennlist
That same old thing
They did last week
Not a thing to do
But pick on John..
(only) Centrifugals are right
(only) Centrifugals are right

HELLO WISCONSIN!

Now who gets to be Fez and who gets to be the Dad?

mspiegle

oh Andy, you crack me up!

BC

OOOh. Lindsey Lohen was on "The seventies Show" or whatever the other night. Watched that part on the internet. She's so.... Never mind. Married. Have Kid. No Plump 18 year olds for me.

Lagavulin

Puh-lease, someone call a damn Wahhhhhhhh-mbulance! (..stolen from Bruce Willis)

Self-inflicted gunshot wound; I could really give a rats ***...

BC

Hey Lag - where was that thread you were talking about the 86 cams? I just bought some on ebay so I need to know what to do.

Some collar or something?

hacker-pschorr

Hey now, get it right - even the show is southern Wisconsin, much like this sitcom. Up here in the north we don't do anything but drink.



Actually - my ride is here - of to "ye old watering hole" - see you at bar close.

Lagavulin

Here you go: https://rennlist.com/forums/showthre...40#post1700840

BC

Thanks.

Carl Fausett

I have the SC L-Jet up and running. Pulls strong and runs well.
I need to tweek air-fuel mixtrues yet, then get it to the dyno.
Here are some pictures: