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  1. T

    2008 Yukon Denali, 135k miles, part 2!!

    Yeah, just measured my not fitting part, exactly the same. I really do appreciate your offer to help! Ill just contact the manufacturer to see if they can send me the correct part. Worst case I use my old adapter and weld on a 3.5 id pipe to make my own. If it looks to take a long time to get...
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    2008 Yukon Denali, 135k miles, part 2!!

    Ha! Understood. Center to center of the holes is about 5.7 inches. Please let me know if you have it!
  3. T

    2008 Yukon Denali, 135k miles, part 2!!

    I only have the one. Someone goofed boxing up my kit I guess.
  4. T

    2008 Yukon Denali, 135k miles, part 2!!

    I got sent the 5.3 kit, not the 6.2. Final piece doesn't fit. Fuck.
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    2008 Yukon Denali, 135k miles, part 2!!

    Oh and I got this to replace my AutoZone creeper. This is very nice and sturdy. Highly recommend. No, I won't be driving anymore today.
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    2008 Yukon Denali, 135k miles, part 2!!

    I should have gotten this electric impact loooooong ago. Crossmember out in seconds. Yes I'm drinking beer and wrenching now doing live updates. No one I know does car stuff. I do computer work, all my friends just play video games. Sniff, y'all all I got! ;)
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    2008 Yukon Denali, 135k miles, part 2!!

    Engine side about buttoned up. Now to figure out the damn crossmember. All gm engines should look like this.... but cleaner of course and with less rust.
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    2008 Yukon Denali, 135k miles, part 2!!

    Aligned the headers and now the O2 sensor doesn't hut the body. It's close though. Trimmed the wire boot. Slips on snug Fits ok. Used a zip tie to keep it from touching the header.
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    2008 Yukon Denali, 135k miles, part 2!!

    Got this from advance Auto. Hope it works!
  10. T

    2008 Yukon Denali, 135k miles, part 2!!

    I wrapped some aluminum foil around the touching spark plug wire. Then I tested the engine with open headers. HOLY SHIT LOUD BATMAN!! I figured my wife would run down to tell me to cut it out. Turn out she thought it was an explosion and ran out with phone in hand to call 911 and almost in...
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    2008 Yukon Denali, 135k miles, part 2!!

    Question: I have 1 spark plug wire that touches the header no matter what I do. What do? Heat shielding? Custom short wire? Spark plug is fully seated. I tested. 2nd from left.
  12. T

    2008 Yukon Denali, 135k miles, part 2!!

    I tried to fit the piping to tie the headers to muffler portion of the exhaust. I need to drop the transmission cross member to do so. Next to the ypipe, the 2nd most hated thing for me is dropping a cross member. I suppose one could leave the headers unbolted to get it all done without...
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    2008 Yukon Denali, 135k miles, part 2!!

    I already cut the resonator off but still have the rest of the stock cat back. I'll give it a shot especially since you and others say it might sound good without drone! If not I have my eye on a borla muffler. I wish I had more than 30 min to an hour free here and there to work.
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    2008 Yukon Denali, 135k miles, part 2!!

    I had an hour. Passenger side done. Torqued to 18 ftlbs. Locking bits in place if you look closely. Drivers side getting close. Drivers O2 fits well. I was concerned since I saw old posts where this was an issue.
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    The life and times of Debonair’s Denali

    Wait, where did you find those? I could use em for my Lexus. lol
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    The life and times of Debonair’s Denali

    But they don't say "Denali". How are people going to know what you drive?!
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    The life and times of Debonair’s Denali

    I "fixed" my Denalis cracked dash ;) Ebay find. Also found on ebay:
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    2008 Yukon Denali, 135k miles, part 2!!

    I'll do a final post when done but so far the fitment is pretty damn good for cheap headers. Speed Engineering, good game, good game.
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    2008 Yukon Denali, 135k miles, part 2!!

    Passenger side about done. - Oil dipstick - Spark plugs - O2 Sensor - Dorman rear bolt fixer thingy - First pass on torquing bolts - New plug wires since I was in there, plugs were replaced 15k ago That rear plug is still a pain. Needed to go from under to get it tight. .... Nothing...
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    2008 Yukon Denali, 135k miles, part 2!!

    All bolts and dorman piece in place on the passenger side. Not torqued. C'mon, work only leaves so much time to play :-/ I'm liking the stage 8 bolts. Soon I'll put the tabs on that stop them from backing out.
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    2008 Yukon Denali, 135k miles, part 2!!

    Passenger side in but not firmly. This side is a breeze. Go in from under the car.
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    2008 Yukon Denali, 135k miles, part 2!!

    I got fasteners that don't need to be re-torqued. TFOT, not THOT, that flange over there. Nice and thicc.
  23. T

    2008 Yukon Denali, 135k miles, part 2!!

    Dude. I have SOOO much rust. I couldn't get the steering shaft out near the top. Seriously rusted in. :-/ You didnt need to loosen the front driveshaft?
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    2008 Yukon Denali, 135k miles, part 2!!

    This experience sucks. I've done trans swaps and this is up there. To get the DRIVERS header in.. - Remove wheel. - Remove inner fender well cover. - Remove spark plugs and wires. - Remove stock manifold and ypipe. See my other posts. I had to cut all mine out. - If AWD/4WD drop the front...
  25. T

    2008 Yukon Denali, 135k miles, part 2!!

    Defeat. I lost. I dont have the time or the skill to get this ****** out. I went through 5 welded bolts and stacked welds with channel locks. I can't get anything to fit to drill out. I'm not pulling the engine so am using the Dorman manifold braces (which are also a ***** to install). I can't...

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