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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > The Woodshed

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  #1  
Old 02-08-2007, 07:58 AM
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Urban Ops Urban Ops is offline
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Default 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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  #2  
Old 02-08-2007, 02:31 PM
H3.007 H3.007 is offline
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Default 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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Old 02-08-2007, 06:14 PM
JWSchmidt3 JWSchmidt3 is offline
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Default 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.


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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  #4  
Old 02-10-2007, 10:11 PM
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Default 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.


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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Old 02-08-2007, 06:11 PM
JWSchmidt3 JWSchmidt3 is offline
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Default Re: Great results from PCM for Less tuning . . .

Quote:
Originally Posted by Urban Ops
Can you or "I" still run 89 octane gas?

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?

Not that I'm aware of. Mine was done thru the dealership, so I know mine is covered.
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