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Kooks 1 7/8 to American Racing 1 7/8

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Old 10-23-2006, 06:10 PM
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Default Kooks 1 7/8 to American Racing 1 7/8

both use cats, no other changes, dynoed 10 days apart.

Ran out of time on the tune on the bottom end.


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Old 10-23-2006, 06:19 PM
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Nice gain!
Old 10-23-2006, 08:23 PM
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Were did you purchase them from? Haven't realy heard much about them.

Last edited by Jimmy P; 10-23-2006 at 08:39 PM.
Old 10-23-2006, 08:40 PM
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this should start to be a good thread. Nice gains
Old 10-23-2006, 08:42 PM
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What is the difference in there design?
Bob
Old 10-23-2006, 08:49 PM
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Originally Posted by SlickVert
What is the difference in there design?
Bob
Higher flowing cats, better x-pipe location, longer primary tubes and a real merge collector. Easy fricken install and they cost less.
Old 10-23-2006, 08:52 PM
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Originally Posted by SlickVert
What is the difference in there design?
Bob
Higher flowing cats, better x-pipe location, longer primary tubes and a real merge collector. Easy fricken install and they cost less.


I don't think they have an F-body header out yet.
Old 10-23-2006, 08:53 PM
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Well those are a PITA to load, why don't you just give some numbers or put both pulls on the same graph?

Bret
Old 10-23-2006, 09:47 PM
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That's a substantial gain.

Are those both SAE corrected? And what was the weather like on both days?
Old 10-23-2006, 09:51 PM
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Originally Posted by SStrokerAce
Well those are a PITA to load, why don't you just give some numbers or put both pulls on the same graph?

Bret

Why don't you just upgrade to a newer computer or high speed service.
Old 10-23-2006, 10:12 PM
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Originally Posted by Louie83
That's a substantial gain.

Are those both SAE corrected? And what was the weather like on both days?

SAE, weather was almost the same, 1/2 point of correction split.
Old 10-23-2006, 10:15 PM
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Originally Posted by 2c5s


I don't think they have an F-body header out yet.
Nice gains btw
Old 10-24-2006, 08:11 AM
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Nice gains and have been thinking about uprading my POS FLP "mid lengths"...

What happened below 4300?
Old 10-24-2006, 08:48 AM
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Originally Posted by MSGHUFF
Nice gains and have been thinking about uprading my POS FLP "mid lengths"...

What happened below 4300?

You would pick up huge gains.

Ran out of time on the dyno.
Old 10-24-2006, 10:42 AM
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Originally Posted by 2c5s
Why don't you just upgrade to a newer computer or high speed service.
The 3ghz AMD CPU, 1/4 terabyte of HD, 2GB of RAM and a cable modem are enough.... maybe a better server to post picks on would help.

"Higher flowing cats, better x-pipe location, longer primary tubes and a real merge collector. "

That's the real difference here, I doubt it's just the headers.

Bret
Old 10-24-2006, 12:08 PM
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Originally Posted by 2c5s
no other changes
Originally Posted by 2c5s
Higher flowing cats, better x-pipe location, longer primary tubes and a real merge collector. Easy fricken install and they cost less.

Old 10-24-2006, 12:47 PM
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Chris...

Nice gains.

The graghs were slow to load on my end as well.

Do you have an overlay of the two....thats the best way to look at a comparison like this.

Good stuff...

Tony
Old 10-24-2006, 01:05 PM
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I've got a set of 1 3/4" AR longtubes (done from exhaust ports to mufflers by American Racing.)


I made 44 more RWHP with the headers/exhaust and a tune over stock....
Old 10-24-2006, 01:47 PM
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Originally Posted by Tony Mamo @ AFR
Chris...

Nice gains.

The graghs were slow to load on my end as well.

Do you have an overlay of the two....thats the best way to look at a comparison like this.

Good stuff...

Tony
The overlay graph blew out the window when I dusted Ryne on the way home. Pesky GTO's always trying to catch a C5 sleeping.
Old 10-24-2006, 09:20 PM
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That's pretty amazing. It'd be nice to see how much they picked up in the midrange with a completed tune.


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