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Tr55 or tr6?

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Old

Nov 5, 2023 | 01:01 AM

#1

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Teching In

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Tr55 or tr6?

Hi guys,
I have a fuel injected 2002 LS1 6 speed. I had it tuned with HP tuners. Fresh cam kit from Texas Speed works. Got their biggest cam for a stock bottom end LS1, the Stick 4. Crazy cam. Are you guys with heavy cams finding more power with the hotter v power tr55s or the colder tr6s? I'm running stock fuel injectors, n/a no forced induction. I have long tube headers, 3" pipe, to a loud mouth with no cats. Looking for the most power not longevity. TR55s? Or TR6s? What ignition wires work best under these conditions? Thanks for your help.

Last edited by Mezzy; Nov 5, 2023 at 04:35 AM.

Old

Nov 5, 2023 | 05:27 AM

#2

Staging Lane

Joined: May 2023

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Quote:

Originally Posted by Mezzy

Hi guys,
I have a fuel injected 2002 LS1 6 speed. I had it tuned with HP tuners. Fresh cam kit from Texas Speed works. Got their biggest cam for a stock bottom end LS1, the Stick 4. Crazy cam. Are you guys with heavy cams finding more power with the hotter v power tr55s or the colder tr6s? I'm running stock fuel injectors, n/a no forced induction. I have long tube headers, 3" pipe, to a loud mouth with no cats. Looking for the most power not longevity. TR55s? Or TR6s? What ignition wires work best under these conditions? Thanks for your help.

Made almost 700hp on TR6s. The difference between the two is borderline indiscernible. If you're looking for power with spark plugs with your engine, you're looking in the wrong area. We also used MSD wires and GM Delco wires, zero difference. Honestly, youre not making enough power where these little bits make any difference IMO.

Old

Nov 5, 2023 | 07:36 AM

#3

TECH Addict

Joined: Dec 2004

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From: Florida

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unless you added a bunch of compression when you put that cam in, id run the tr55. but you probably wont be able to tell the difference if you use a tr6.

Old

Nov 6, 2023 | 07:58 AM

#4

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From: Poway, Ca. where GOD and the sun always shines

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I do not have a modified engine, I use the TR55 gapped @ .055, Sara (2001 Z28) just loves them

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