Question on '06 - '07 H3's...
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RE: Question on '06 - '07 H3's... - 11/26/2007 8:25:59 PM
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mh307
Posts: 147
Joined: 10/7/2007
Status: offline
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The 07's are slightly revised basically. The engine was increased from 3.5 liters to 3.7 (a/b 20 extra horses). The 07's have the window switches further up on the door i believe (my 07 has fine switches, but i've heard complaints on the 06s) and i think the 07's have headlights as Daytime running lights as opposed to the parking lights on 06's. That's all the differences i can think of...i'd love mine (07 H3 adventure) but i can't say on the 6s.
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Mitch
THEN:07 H3 Adventure: 17" Ultras, 315/70 BFG's
NOW:08 Dodge Ram Mega Cab 4x4
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RE: Question on '06 - '07 H3's... - 11/27/2007 2:44:52 AM
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hilljob26
Posts: 2069
Joined: 9/2/2007
Status: offline
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thats pretty much it,the window switches are probably the biggest improvement,as the ones in my 06 are kinda far back on the door to me
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dont sweat the petty stuff,pet the sweaty stuff
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RE: Question on '06 - '07 H3's... - 11/27/2007 6:34:05 AM
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alrock
Posts: 1058
Joined: 5/12/2007
From: Scottsdale, AZ
Status: offline
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The window switch move was halfway through the 07 year - my early 07 has the switches far back too. The engine is the biggest difference.
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RE: Question on '06 - '07 H3's... - 11/27/2007 8:03:46 AM
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Doc Olds
Posts: 3653
Joined: 7/11/2007
From: Boat Town USA (Michigan 48045)
Status: offline
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The 07 3.7L "offers a substantial 22-horsepower increase and 17 lb.-ft. more torque than the previous five-cylinder" 3.5L engine. According to a GM press release. 
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RE: Question on '06 - '07 H3's... - 11/27/2007 5:40:41 PM
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VanSmite
Posts: 278
Joined: 11/12/2007
Status: offline
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Thanks gang. Anything else? I noticed the 06 came in blue and a green that was nice.
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RE: Question on '06 - '07 H3's... - 11/28/2007 4:29:52 AM
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TheGunnyRet
Posts: 307
Joined: 11/21/2007
Status: offline
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For interior changes it was done on the 2007 1/2 rear models, Moved the buttons forward on the left door, supposedly the Brake and Gas pedal had been moved more slightly apart, Don't know about the DTRL.
Engine Changes:
2007 Vortec 3.7L I5 VVT (LLR)
2007 model year summary
• Increased displacement and power output
• Larger intake valves
• Larger exhaust valves
• Valve lift and duration optimized
• Cylinder head intake and exhaust flow increase
• Larger close-coupled catalytic converter
• Increased PCM memory for new diagnostic requirements
• Meets new BIN 5 emission requirements
• Aluminum cam cover for reduced noise
• Sophisticated noise-reducing oiling system
• Tighter clearance balance shaft bushings
• A.I.R. system added to reduce emissions
• New cartridge block heater
FULL DESCRIPTIONS OF NEW OR CHANGED FEATURES
INCREASED DISPLACEMENT AND POWER OUTPUT
To increase displacement from 3.5 liters to 3.7 liters, the bore was enlarged from 93.0 mm to 95.5 mm. The increased displacement contributes to an increase in both horsepower and torque (see specifications). The compression ratio remains an efficiently high 10.0:1.
LARGER INTAKE VALVES
To optimize the greater volume of intake charge allowed by the increased displacement, the intake valves for each cylinder have been increased in diameter from 37 mm to 38.7 mm.
LARGER EXHAUST VALVES
To allow better flow of exhaust, the exhaust valves have been enlarged from 30.5 mm to 33.5 mm.
VALVE LIFT AND DURATION OPTIMIZED
Camshaft lobe profiles have been changed to optimize the lift and open/closed duration of the larger intake and exhaust valves for best efficiency and performance.
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H3Black2007.5
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RE: Question on '06 - '07 H3's... - 11/28/2007 4:42:02 AM
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HUMMER DRIVER
Posts: 447
Joined: 3/12/2007
Status: offline
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WARRANTY!!! THE 2007 HAS GM 5YR/100K Mile Warranty 2006 doesn't....
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2007 H3 Black/Chrome Package , SS Nerf Bars, Roof Rack, MagnaFlow, Towing Kit, HUMMER PinStriping. K&N , PCM , SS Brushguard, Backup Camera, 34" Trxus M/T & ProComp Rims.
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RE: Question on '06 - '07 H3's... - 11/28/2007 7:01:42 AM
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rhill20
Posts: 4549
Joined: 10/27/2007
From: Delaware, Ohio GO BUCKS!
Status: offline
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The biggest differences I have noticed between our 06 we had and my 07 are the window switches, the 3.7 motor, and warranty. Can't say that I have noticed anything else. The only difference I have notice between the 07 and 08 are that the mid front grill has an X design on the 08 and O design on the 07.
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RE: Question on '06 - '07 H3's... - 11/28/2007 7:44:44 AM
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Black_Impala
Posts: 179
Joined: 5/31/2007
Status: offline
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I would say go with an 07 for the warrenty, HP, and the fact that many 06 models had a cylinder head issue. But I don't really care for the engine oil life monitoring system. It can't tell the difference between regular and synthetic.
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