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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #21  
Old 08-20-2012, 06:13 AM
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Default Re: Dynatech Headers

H2Much-- I'd still like to see what your driver side header looks like, when you have a moment.
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2006 HUMMER H2
MOOG Front End
Diablo InTune w/DiabLew Tune
Cognito Steering Support
OBX LT Headers
Air Raid Filter w/Tube
External Trans Cooler -Radiator Bypass
Corvette Servo
Rancho 9000 Adjustable Shocks-
Rancho Steering Stabilizer
20" Chrome Fuel Hostage - Cooper ST Maxx
Slotted Rotors/Ceramic pads/Steel Lines
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Optima Red Top w/ Priority Start Cut Off Mod
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  #22  
Old 08-21-2012, 04:42 AM
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Default Re: Dynatech Headers

PDX, I was referring to the Dynatechs having the Allen plug on the egr port, not the OBX headers.

I can see why you are having heat problems on your plug wires on drivers side. It's because those pipes turn upwards on the drivers side. The Dynatechs don't do this - all 4 pipes turn downward and slant back.
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H2 SUT 4.56 Gears, Front Locker, Cognito Pitman/Idler kit & Idler Pivot Kit, Fab Tech Tie Rods, True Tech Trailing Arms, Edelbrock Panhard Rod, PML rear Diff & Tranny Pans, Corsa Exhaust, Dynatech LT Headers, Diablo Predator Programmer, Volant CAI, Warn 9500 Winch, Escort 8500x50 & ZR3 Laser Shifter, Delta Light Bar, Rancho Steering Stabilizer & Bilstein Shocks, Ron Davis Radiator, PowerSlot Rotors, Hawk Brake Pads
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  #23  
Old 08-21-2012, 05:15 AM
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Default Re: Dynatech Headers

Quote:
Originally Posted by tomp
PDX, I was referring to the Dynatechs having the Allen plug on the egr port, not the OBX headers.

I can see why you are having heat problems on your plug wires on drivers side. It's because those pipes turn upwards on the drivers side. The Dynatechs don't do this - all 4 pipes turn downward and slant back.

Thanks for that info... I kind of thought so since I never heard anyone mention it before.

It's really a simple fix with heat tape and/or plug wire protector. I hope these OBX headers hold up as good as the dynatechs.

Fitment wise they were tits.
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2006 HUMMER H2
MOOG Front End
Diablo InTune w/DiabLew Tune
Cognito Steering Support
OBX LT Headers
Air Raid Filter w/Tube
External Trans Cooler -Radiator Bypass
Corvette Servo
Rancho 9000 Adjustable Shocks-
Rancho Steering Stabilizer
20" Chrome Fuel Hostage - Cooper ST Maxx
Slotted Rotors/Ceramic pads/Steel Lines
Viper Smart Start
iPod/Video Interface
HID Head and Fog Lights
Optima Red Top w/ Priority Start Cut Off Mod
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  #24  
Old 08-25-2012, 03:35 AM
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Default Re: Dynatech Headers

I'll get a pic snapped tomorrow for you when the sun is up...
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Sweet looking H2 with not enough mods (2003 Pewter H2, 20" Rockstars, 40"x15.5" Toyo MT's, E&G Extended Flares, Full body tube steel exoskeleton, 5" Skyjacker lift, Amp Research steps, Gobi Roofrack and ladders, Smoked LED's, AFe CAI, Dynatech long tubes and cats, Magnaflow exhaust, Stock tune, 4.88 gears, Chrome Grenade Shifter, interior blacked out, rear captains chairs, Solar Power!!)
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  #25  
Old 08-27-2012, 04:01 AM
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Default Re: Dynatech Headers

Ok, here is a pic of my headers and plugs. Sorry about the delay, yesterday was a little rainy.




Haven't really had any problems with heat yet on the plug wires, maybe the ceramic coat is helping?
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Sweet looking H2 with not enough mods (2003 Pewter H2, 20" Rockstars, 40"x15.5" Toyo MT's, E&G Extended Flares, Full body tube steel exoskeleton, 5" Skyjacker lift, Amp Research steps, Gobi Roofrack and ladders, Smoked LED's, AFe CAI, Dynatech long tubes and cats, Magnaflow exhaust, Stock tune, 4.88 gears, Chrome Grenade Shifter, interior blacked out, rear captains chairs, Solar Power!!)
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  #26  
Old 08-27-2012, 04:12 AM
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Default Re: Dynatech Headers

Goddamn they're close, but for sure a diff design on that 3rd and maybe 4th pipe.

Hey thanks for the pics. It will help the community see a detrimental difference.

Glad your plugs aren't burning up.

The others diff I saw was dynatech cats have a nice heat shield aroun them. OBX don't.

I'll link to this post in mine so people who are shipping can shop that much better.

**edit** another nice comparison..... Mine aren't ceramic coated and are already colored rainbow. Yours, which are coated, look new and will look new for some time.

I've had ceramic coated..... They hold up well in the engine bay. :thumbsup:
__________________
_____________________________________

2006 HUMMER H2
MOOG Front End
Diablo InTune w/DiabLew Tune
Cognito Steering Support
OBX LT Headers
Air Raid Filter w/Tube
External Trans Cooler -Radiator Bypass
Corvette Servo
Rancho 9000 Adjustable Shocks-
Rancho Steering Stabilizer
20" Chrome Fuel Hostage - Cooper ST Maxx
Slotted Rotors/Ceramic pads/Steel Lines
Viper Smart Start
iPod/Video Interface
HID Head and Fog Lights
Optima Red Top w/ Priority Start Cut Off Mod

Last edited by pdxrealtor : 08-27-2012 at 04:16 AM.
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  #27  
Old 08-27-2012, 04:32 AM
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Default Re: Dynatech Headers

Yah, I agree, don't know why they built them with the plugs so dang close- yours are ridiculously close too. Oh well, I guess that is all they had to work with since GM didn't plan on making any mods for their stuff at the time, good old GM man. Makes you wonder why anyone there thought that nobody would ever want to customize those trucks at some point, especially with those weak engines.

If I had the money, I would throw down on an LSX 454 and replace all of that crap under the hood. Makes me sick sometimes seeing some of the cheap stuff in there, reminds me of the Jeep I used to have, lol.
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Sweet looking H2 with not enough mods (2003 Pewter H2, 20" Rockstars, 40"x15.5" Toyo MT's, E&G Extended Flares, Full body tube steel exoskeleton, 5" Skyjacker lift, Amp Research steps, Gobi Roofrack and ladders, Smoked LED's, AFe CAI, Dynatech long tubes and cats, Magnaflow exhaust, Stock tune, 4.88 gears, Chrome Grenade Shifter, interior blacked out, rear captains chairs, Solar Power!!)
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