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Vortech and RT cats question

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Old Aug 15, 2004 | 06:34 AM
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From: On top of your wife
Default Vortech and RT cats question

What is the best setup with the vortech ...I have RT cats but have heard you lose boost with them is that true? should I put the stock cats back? go with stillen race pipes? or leave it alone?
thanks for the help....Ed
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Old Aug 15, 2004 | 09:00 AM
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If you dont have headers , you may be ok .I had headers the RT's and stillen cat back .I could only get 7lb's .I put on the Crawford cats and almost making full boost now .
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Old Aug 15, 2004 | 02:10 PM
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Originally posted by booger
If you dont have headers , you may be ok .I had headers the RT's and stillen cat back .I could only get 7lb's .I put on the Crawford cats and almost making full boost now .
I got crawford headers and rt cats....how about stillen racepipes or will the crawford Cats work better?....BTW it seems I only get 5 psi what could be the problem?

Last edited by Duflacci; Aug 15, 2004 at 02:13 PM.
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Old Aug 15, 2004 | 05:54 PM
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Get the Crawford cats, tighten your belts, check for leaks, check to see if you are losen oil .check your vacuum lines . Did you have full boost ? 8lb's ?
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Old Aug 15, 2004 | 05:55 PM
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most so far is 5 lbs
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Old Aug 16, 2004 | 01:16 PM
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after looking at your dyno again. I think it is your gauge . Some one else said that may be the problem . Your making the power and the torque for out of the box kit .You havent tuned it yet so every thing looks like it should . You have ordered the R4 . Find a tuner that knows the software . Zimbo said it......look for posts on the problems we have had with the R4......making sure settings are right before writing to the ECU.........Hard to find a tuner that knows the R4.....So you may have to pay a tuner to learn it , like I did....I have learned enough now to tune it myself.....good luck...Bill
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Old Aug 16, 2004 | 02:15 PM
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Originally posted by booger
after looking at your dyno again. I think it is your gauge . Some one else said that may be the problem . Your making the power and the torque for out of the box kit .You havent tuned it yet so every thing looks like it should . You have ordered the R4 . Find a tuner that knows the software . Zimbo said it......look for posts on the problems we have had with the R4......making sure settings are right before writing to the ECU.........Hard to find a tuner that knows the R4.....So you may have to pay a tuner to learn it , like I did....I have learned enough now to tune it myself.....good luck...Bill
I have someone with a dyno that will work with me on the tuning, I also ordered the 3.125" pulley as recommended by Vortech, wednesday I will head there and see what we can do, even with the way it runs now I am happier than a pig in slop on a hot august afternoon best upgrade yet.....
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Old Aug 18, 2004 | 12:02 PM
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Did you get that car tuned yet ?......Bill
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