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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2
Reload this Page gas mileage and catalyzer mods

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  #1  
Old 04-08-2006, 05:36 AM
Ernie Italy Ernie Italy is offline
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test at 60 mph --- 16 mpg
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Old 04-08-2006, 04:36 PM
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Old 04-09-2006, 01:45 AM
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Quote:
Originally posted by PhilD:
So what did you do?


X2??????
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Old 04-09-2006, 01:18 PM
saleen779 saleen779 is offline
 
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wtf is catalyzer mode????
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Old 04-09-2006, 02:04 PM
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\'03 Lux "white" w/air suspension and kick ass tires (raised letters out) and a '07 jeep Wrangler 4dr Rubi that's just as cool!
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Old 04-09-2006, 04:06 PM
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I've learned if you wipe the bugs off of the front end you can get 16mpg because of better aerodynamics, BUT only at 60mph.
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Old 04-09-2006, 05:25 PM
Kevin B Kevin B is offline
 
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Quote:
wtf is catalyzer mode????


Im not sure but the topic is catalyzer MODS, get it ?
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  #11  
Old 04-10-2006, 03:37 AM
Steve - SanJose
 
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fyi - H3 mpg at 80-85mph is 16mpg.

S.
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Old 04-10-2006, 03:56 AM
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Quote:
Originally posted by Kevin B:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">wtf is catalyzer mode????


Im not sure but the topic is catalyzer MODS, get it ? </div></BLOCKQUOTE>Probably a 2" hole drilled through it.
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Old 04-10-2006, 04:50 AM
Ernie Italy Ernie Italy is offline
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A standard catalyzer is ceramic and have 1200 cps (cell per square inch).
With a sports catalyzer you can have a 200 cps (as I have installed)... the output gas goes out more freely and performance and gas economy have benefit.. you can have a 4.33% in power and 13% in torque. Yes I know I have to tested and analyze , but take in consideration that is one of mods that use sports car.
When I have change my cats (change not modify and I can return to stock when I want) the same mods are do it on a Ferrari 340...
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