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  1. Speck

    Finally overhauled the suspension on my 08 Yukon Denali

    So this has been a very long time coming, I have been needing to do quite a bit of maintenance on my 08 Yukon in regards to the suspension due to being at 156k miles and never touching any of the components (aside from brakes). So, since it had to be done, why not upgrade!?! Parts: OEM front...
  2. Speck

    Rear window defogger

    Has anyone seen where the metal connects the wire to the glass on the rear hatch come off? I had used my remote start and when I had the lift gate up, I heard a "sizzle" sound and then "pop" and then the rear wire with metal connector just hung from the top of the gate. Has anyone else had...
  3. Speck

    Big brake kits - Worth the cost?

    Like the title asks, I'm curious by those who have upgraded to a big brake kit that besides the asthetics of them, are they one, worth the cost by a noticable shorter stopping distance, and two if they hold up better to warp or fade due to the larger surface size of the rotors and larger...
  4. Speck

    Best cam for 6.2?

    I've tried searching for spec's and information on what the best cam would be for the 6.2 on my Denali and haven't found anything. Anyone have any information on what would be a good cam for my 08 Denali? I see that Black Bear Performance is going to be in Seattle this March and I would really...
  5. Speck

    Rear bearings

    Anyone on here have to replace their rear bearings yet? I'm at 109k miles and she is squealing like a banshee at low and freeway speeds. Mine is an 08 Denali and I am curious if anyone has suggestions on brand to go with? For front, I will be using Timken hub bearings, but I can't find any...
  6. Speck

    Strange sound in headliner

    Like the title says, I'm getting a random growling or grinding sound from a small perforated circle above the driver's seat on the headliner. Does anyone know what that thing is for? I would think it would be for a bluetooth unit or similar, but I know that my truck is not equiped with that...
  7. Speck

    08 Denali Build

    Ok, It has taken me quite awhile to summon the courage to actually create a build thread. I have been on here for awhile try to be active, but have never really put much emphasis on my projects. Well, I hope that shis can serve as more of a time line for me to keep track of stuff and...
  8. Speck

    Projectors in fogs

    Ok, I've done a search and came up empty, so I'm putting a shout out to see if anyone on here has done a retrofit on our fogs? I am trying to see if the Morimoto Matchbox 2.0's will work. I know we have a 5202 setup and the Matchbox setup needs H1's, but wasn't sure if there is a harness or...
  9. Speck

    Lighting question

    I honestly don't know if this is the correct section, or if this should be in Audio/Electrical, but I have been changing all of my bulbs to LED's and now have the fast flash from my flasher thinking I have bulbs out. My question is, does anyone know if GM has a digital flasher for the new...
  10. Speck

    Anyone see this happen before?

    I took my Yukon in for its 60k service here recently, and all of a sudden I'm now getting these cracks on my tail light lenses. There was a problem with the service job and the dealership has corrected all of the problems, however I'm concerned that since one of said problems was leaving the...
  11. Speck

    Best headers for 6.2l

    I have an 08 Denali and looking for the best long tube headers and would like to go into a true dual exhaust. My eventual plan is for cams and intake, with possible forced induction later. I'm also curious if dual 3" exhaust would work well or be too large diameter and harm my back pressure for...
  12. Speck

    Braided brake lines for 08 Denali?

    As the title says, I'm looking for info on getting braided brake lines for my 08 Denali, and unfortunately all I have found are for the 07 model. My question is, are they the same, or do I need to keep looking? The brake line kit is through StopTech. Thank you for any info! Joe
  13. Speck

    Air ride suggestions?

    So as the title says... I'm looking for ideas and suggestions for possibly going to full air ride on my 2008 Denali. I've been eyeing the static kits that so many have on here, but am curious about what people think about going full air ride for front and rear. I love the lowered look, but...

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