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

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  #1  
Old 07-19-2012, 09:37 PM
Hellz Hellz is offline
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Default Re: Headers - Ordered - Discuss install and options

well the removal of the old bolts i woudl assume is going to be easier as you will be removing the old headers anyways.

hell, you could grind of the head of the bolts, slip the header off and WD40 the hell out of the bolt and use vicegrips or something on them. atleast then you would have more options to get at the bolt instead of just the head of it.
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  #2  
Old 07-19-2012, 10:15 PM
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Default Re: Headers - Ordered - Discuss install and options

I can see that going down hill real quick. Anytime bolts need to be removed with vice grips you automatically up the oh sh*t thresh hold.

If getting a socket head in to remove a bolt is a PITA I don't see how getting a grinder in is going to be easier.

I had the pass. fender well out to do the trans cooler install and it seems that would be a very easy way to attach the bolt install/removal.
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  #3  
Old 07-19-2012, 11:17 PM
Hellz Hellz is offline
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Default Re: Headers - Ordered - Discuss install and options

i was just saying that you COULD grind the head off the bolts if you wanted to, but i agree, i wouldnt recommend it myself.
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  #4  
Old 07-19-2012, 11:24 PM
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Default Re: Headers - Ordered - Discuss install and options

Well... just looked at the truck.

1 bolt head gone on driver side, closest to firewall. That's it though. I really hope this is a vice grip situation as that's the tightest spot.

Would it be better to heat the motor up before attempting removal of the header bolts?
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Corvette Servo
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  #5  
Old 07-20-2012, 10:34 PM
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seventwozero seventwozero is offline
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Default Re: Headers - Ordered - Discuss install and options

Quote:
Originally Posted by pdxrealtor
Well... just looked at the truck.

1 bolt head gone on driver side, closest to firewall. That's it though. I really hope this is a vice grip situation as that's the tightest spot.

Would it be better to heat the motor up before attempting removal of the header bolts?

You'll have better luck if you start soaking the bolts with a good penetrating () lubricant. When I had my mechanic do mine, he gave me a bottle of spray (triflo) and told me to give em a shot every day till the next time I brought it in (about a week). Aside from the two that were already broken, he managed to get the rest out without breaking them. As for the broken ones, he welded a nut onto what was left of the stud and backed them out.

In regards to your powder coating question, I'm not sure if anyone makes a powder coat that will withstand the temps you'll see on an exhaust manifold. Although, I'm not totally sure what kind of temps you'll see on the manifolds... You might be able to find some sort of a high temp paint, IE: I know guys that use grill paint on motor cycle pipes.
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  #6  
Old 07-24-2012, 04:38 AM
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Default Re: Headers - Ordered - Discuss install and options

Quote:
Originally Posted by seventwozero
You'll have better luck if you start soaking the bolts with a good penetrating () lubricant. When I had my mechanic do mine, he gave me a bottle of spray (triflo) and told me to give em a shot every day till the next time I brought it in (about a week). Aside from the two that were already broken, he managed to get the rest out without breaking them. As for the broken ones, he welded a nut onto what was left of the stud and backed them out.

In regards to your powder coating question, I'm not sure if anyone makes a powder coat that will withstand the temps you'll see on an exhaust manifold. Although, I'm not totally sure what kind of temps you'll see on the manifolds... You might be able to find some sort of a high temp paint, IE: I know guys that use grill paint on motor cycle pipes.

Thanks for the info..

I've been spraying mine with screw loose by CRC. I still haven't ordered the bolts as it might be a bit before I can get these installed.

My buddy with the lift is no longer available to me due to his douche bag boss (long story). so I 'll be spending some time in the drive way on jack stands doing the front end, lower ball joints-idler/pitman/cognito support, and hubs.

If I come across some cash before I'm done with the front end I might just have the exhaust installed although I can't stand the thought of someone else touching my rig....
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2006 HUMMER H2
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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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  #7  
Old 07-30-2012, 03:18 AM
Joe Joe is offline
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Default Re: Headers - Ordered - Discuss install and options

Hey PDX, did you get your OBX system installed? How is it.

This is pretty much the system I am leaning towards. Dyna just a bit to expensive. For same price has just there headers you can get an OBX from headers all the way back to tips.

Also, expecting any problems with emissions with the hi-flow cats?
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  #8  
Old 07-30-2012, 07:55 PM
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pdxrealtor pdxrealtor is offline
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Default Re: Headers - Ordered - Discuss install and options

Quote:
Originally Posted by Joe
Hey PDX, did you get your OBX system installed? How is it.

This is pretty much the system I am leaning towards. Dyna just a bit to expensive. For same price has just there headers you can get an OBX from headers all the way back to tips.

Also, expecting any problems with emissions with the hi-flow cats?

No- I just finished up a major service on our 06 Acura plus full detail in and out. It's my wife's car and I neglected it so I got to spend 2 full days on interior and exterior detail work.

This weekend I have my idler/pitman/support kit to install, along with two new hubs, and two new lower ball joints. So... Headers maybe the following weekend.

I better not have any emission issues with the high flow cats. Isn't that the point of the high flow cat? To still pass emissions, but get some better flow??

Geeze if I have to swap cats every two years I'm going to be pissed!
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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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