996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Gauge Installation Opinions Requested

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  #31  
Old 06-01-2004 | 06:49 PM
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Originally posted by StephenTi
Chad,

Any tests or inputs on the oem IC? What IC are you running?

Thanks.
I did not have the Andial gauges in at the time the oem units were installed.

S Car Go Racing built the intercoolers using Turbonetic's cores.







 

Last edited by cjv; 06-01-2004 at 06:54 PM.
  #32  
Old 06-01-2004 | 07:26 PM
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ken, if you do need a techart phone mount for any gauges i have one on ebay, very good deal for a sacraficial piece.

http://cgi.ebay.com/ebaymotors/ws/eB...category=38655
 
  #33  
Old 06-01-2004 | 07:29 PM
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Ken, have you thought of a DAS like I am putting in? You can collect all of what you want, much of it is already wired in the car. Plus, you get the track performance data you need.
 
  #34  
Old 06-01-2004 | 07:50 PM
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Tim,
Actually no. After hearing that the oil temps lag behind the water temps, I desired that info, then I started thinking about intake air temps and wanted to to some experimentation with cooling that air, thus requiring those gages. It sort of snowballed. Right now, I would like to hear recommendations pertaining to gauge manufacturers with their pros and cons.
 
  #35  
Old 06-02-2004 | 03:45 AM
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chad:
how much is this IC running for?????
 
  #36  
Old 06-02-2004 | 12:20 PM
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Chad those look like Spearco cores, which are p1mp. I bet those _DO_ make a difference. I originally planned on doing GT2 ic's as an upgrade but they look exactly the same. IS the size identical to stock spec? I was thinking of having spearco just make up a couple of them.

I like the hard piping too. The stock rubber hoses are all goofy shaped with bends and obviously contract with heat
 
  #37  
Old 06-02-2004 | 12:22 PM
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Originally posted by cjv
I can remember at about 80 degrees ambient we were seeing 210 degrees in and about 99 degrees out. I don't remember. the boost at the time but we were on it briefly. I have found the efficiency of my intercoolers are about 85 percent. What makes the difference is the boost. More boost, more heat. Less boost, less heat.

The other thing I found is liquid CO2 has no affect from 60 degrees and below. The affect becomes greater as the ambient temperatures increase above 60 degrees F.

When I get the car back later this week I will do an accurate test for you.
Can we test the NOS. That has a much greater effect
 
  #38  
Old 06-02-2004 | 12:34 PM
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Actually, acording to Corky Bell's "maximum boost", an outdated in some regards but great reading, Corky suggests that intercoolers in which the air travels the short route across the inercooler (as opposed to the long ways as seen above) are much more efficient due to the greater number of passages and equal surface area.

Not sure if I explained that properly.
 
  #39  
Old 06-02-2004 | 08:12 PM
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Originally posted by luting_chen
chad:
how much is this IC running for?????
I don't remember and it was done over a year ago. It wasn't cheap. S Car Go Racing did the work. Give them a call.
 
  #40  
Old 06-02-2004 | 08:21 PM
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Originally posted by sharkster
Chad those look like Spearco cores, which are p1mp. I bet those _DO_ make a difference. I originally planned on doing GT2 ic's as an upgrade but they look exactly the same. IS the size identical to stock spec? I was thinking of having spearco just make up a couple of them.

I like the hard piping too. The stock rubber hoses are all goofy shaped with bends and obviously contract with heat
sharkster,

The dimensions are a little different on the x and y dimension. The z dimension(depth) is thicker. The stock IC has a 75% efficiency rating. The GT2 IC has a 78.55% efficiency rating.

The hard tubing has a larger diameter than the stock tubing in addition the whole system was designed to work at three bar.
 
  #41  
Old 06-02-2004 | 08:29 PM
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Originally posted by ari
Actually, acording to Corky Bell's "maximum boost", an outdated in some regards but great reading, Corky suggests that intercoolers in which the air travels the short route across the inercooler (as opposed to the long ways as seen above) are much more efficient due to the greater number of passages and equal surface area.

Not sure if I explained that properly.
ari,

We are familar with that. Shorter developed length to a point is more desirable. However unless the area is square, you have more tubes, not less which is not desirable. There is alot that you must take into consideration. The way the air enters/exits incoming into the coils, the shape of the coils and the design of the fins attached to the coil tubes. A 85% efficiency rating is extremely good.
 
  #42  
Old 06-02-2004 | 11:21 PM
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Originally posted by cjv
sharkster,

The dimensions are a little different on the x and y dimension. The z dimension(depth) is thicker. The stock IC has a 75% efficiency rating. The GT2 IC has a 78.55% efficiency rating.

The hard tubing has a larger diameter than the stock tubing in addition the whole system was designed to work at three bar.
Ah thanks for the info. I thought they looked a litthe thicker 3bar lol??!?!?!?

I think you were telling me once that you were aiming to be 80mm all the way around. I am sure the hard piping works a treat to speed of the air flow
 
  #43  
Old 06-03-2004 | 08:40 AM
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The tubing comes in at 80 mm on both sides. They merge into the 90 mm throttle body.
 
  #44  
Old 06-03-2004 | 12:16 PM
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Hehe niiiice What you up to tomorrow Chad? Want to meet up.. I'll show you the new pssshhh and pick up those parts from ya. I've got my car dialed in as far as alignment...
 
  #45  
Old 06-04-2004 | 08:25 AM
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I should be home after 4:30 PM.
 


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