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02-08-2007, 07:58 AM
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Hummer Veteran
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Join Date: Sep 2006
Location: Clements, CA.
Posts: 213
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Re: Great results from PCM for Less tuning . . .
Can you or "I" still run 89 octane gas?
What about warranty, does this affect it?
I know I should ask Kelly at PCMforless but I figured if you knew, you wouldn't be bias.
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02-08-2007, 02:31 PM
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Hummer Expert
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Join Date: May 2006
Location: Johnstown, PA.
Posts: 553
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Re: Great results from PCM for Less tuning . . .
X2
Also, do you believe the PCM tune would be worth it alone or would the exhaust mods also have to be added? I already have an aftermarket intake system installed.

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02-08-2007, 06:14 PM
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Hummer Veteran
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Join Date: Mar 2006
Location: DFW, Texas
Posts: 118
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Re: Great results from PCM for Less tuning . . .
Quote:
Originally Posted by H3.007
X2
Also, do you believe the PCM tune would be worth it alone or would the exhaust mods also have to be added? I already have an aftermarket intake system installed.
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I doubt the exhaust does much. The intake is probably 75% of the intake/exhaust combo gains. The shifts and air fuel table adjustments are the magic here.

__________________
J.W.
2006 yellow H3 - Pro Comp Xtreme package
4" lift, 35's, Lux, etc.
2004 yellow Corvette Z06
2002 black LPE blown TigerShark Z06
http://public.fotki.com/JWSchmidt3/
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02-10-2007, 10:11 PM
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Hummer Guru
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Join Date: Dec 2005
Location: In a FREE U.S.A. where Marxism, Socialism & Communism is not allowed !
Posts: 5,485
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Re: Great results from PCM for Less tuning . . .
Quote:
Originally Posted by JWSchmidt3
I doubt the exhaust does much. The intake is probably 75% of the intake/exhaust combo gains. The shifts and air fuel table adjustments are the magic here.

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I think a lot of people will disagree with you on this one. Air iintake on a H-3 is already COLD AIR. Theres lots of posts about particle size and oil that gets by on the aftermarket set ups...
RYD
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02-08-2007, 06:11 PM
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Hummer Veteran
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Join Date: Mar 2006
Location: DFW, Texas
Posts: 118
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Re: Great results from PCM for Less tuning . . .
Quote:
Originally Posted by Urban Ops
Can you or "I" still run 89 octane gas?
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Yes, but I run 93 anyway. You would run 89 and just not have that section tuned.
Quote:
What about warranty, does this affect it?
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Not that I'm aware of. Mine was done thru the dealership, so I know mine is covered.
__________________
J.W.
2006 yellow H3 - Pro Comp Xtreme package
4" lift, 35's, Lux, etc.
2004 yellow Corvette Z06
2002 black LPE blown TigerShark Z06
http://public.fotki.com/JWSchmidt3/
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