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08-20-2012, 12:58 AM
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Hummer Expert
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Join Date: Feb 2008
Location: Portland, OR
Posts: 948
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Re: Dynatech Headers
That makes sense in H2s case, but mine are OBX headers and there is no plug installed or included. The hole isn't even threaded.
I was going to thread it and plug it, but it seemed the wall was too thin. Guess I could have tapped the hole in the flange.
I ended up getting a piece of steel. My kit came with a gasket.
__________________
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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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08-20-2012, 06:13 AM
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Hummer Expert
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Join Date: Feb 2008
Location: Portland, OR
Posts: 948
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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
Viper Smart Start
iPod/Video Interface
HID Head and Fog Lights
Optima Red Top w/ Priority Start Cut Off Mod
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08-21-2012, 04:42 AM
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Hummer Authority
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Join Date: Sep 2005
Location: Texas
Posts: 1,795
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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.
__________________
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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08-21-2012, 05:15 AM
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Hummer Expert
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Join Date: Feb 2008
Location: Portland, OR
Posts: 948
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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.
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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.
__________________
_____________________________________
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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08-25-2012, 03:35 AM
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Hummer Professional
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Join Date: Sep 2008
Location: Utah
Posts: 293
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Re: Dynatech Headers
I'll get a pic snapped tomorrow for you when the sun is up...
__________________
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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08-27-2012, 04:01 AM
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Hummer Professional
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Join Date: Sep 2008
Location: Utah
Posts: 293
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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?
__________________
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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08-27-2012, 04:12 AM
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Hummer Expert
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Join Date: Feb 2008
Location: Portland, OR
Posts: 948
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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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