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  1. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    BTW, my number one trade of customers is HVAC guys, there must be some sort of correlation there if a guy thought hard enough about it.
  2. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    Lmao!! Being and HVAC guy in Michigan of all places, I am positive you get it!
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    Yep! I think he has a thing he sends that does something more simple than buying your own hp tuners cable though.
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    It sucks, but we don't have anyone backing us if something goes wrong. It's full labor, full new gaskets, and if a lifter fails, usually new cam at best. They can spin and wreck the block. It stood out to me that you said how towed and went places, so that is also a factor. I would be more open...
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    I placed an order this week with them and my normal sales guy said something about comp having a lifter that gets warranty now, but it sounded like a new thing, and comp is classic for failure on things valvetrain that the cam spins, so I wouldn't suggest it personally.
  6. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    I get it from the mouth of people who know and won't warranty. Been a tsp dealer for something like 16 years, whenever they started many moons ago, they talk to me proper. They won't warranty the Delphi ones either.
  7. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    Depends where you are. I am way up in Canada, no way I can do it for ya. Where you at? So many good tuners all over the states these days. It's a basic tune.
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    That is 100 percent true. You don't idle at the stock 575 rpm when hot with a cam. Raising the rpms to where the aftermarket cam want to be at to idle proper, combined with running stock or normally reduced amount of idle timing, creat a push against the converter. The idea is to reduce timing...
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    I have ran probably 100 sets of ls7 lifters, they were always the go to lifters as far back as 2006 when they came out. The problem is that there is something seriously wrong with over seas lifters for the last few years, and currently. Even with oem gm and dodge and Ford, their number one issue...
  10. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    The cam picks up torque in those ranges, then pulls strong all the way to 6 grand, I set the over rev at around 6200 because of the intake manifold. If you have long tubes it will help up top to rev it out higher as well. The bottom end is safe to over 7 grand, and the valvetrain is good to...
  11. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    Sorry to keep adding, I keep remembering stuff. Last thing, don't use the tsp crank seal in their kit, it is horrible. Never had a problem with the gaskets in their name branded kits, but the crank seals have something wrong with them, so go gm for that.
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    Oh, and beg borrow and steal to afford the drop on Johnson lifters, the risk is just too high these days with the Chinese stuff (all the other stuff.) There is a massive lifter problem from oem to aftermarket because they are all made in China. The Johnsons are American, 3 times the price, but...
  13. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    That's why it tries to push through the converter, it is taking in so much more air at idle than a stock cam, but it isn't bleeding it off like a conventional cam does via the intake and exhaust open timing that is traditionally used in a fixed cam.
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    I do this for a living and get tons of feedback, all positive. I am doing a stage 3 l92 vvt right now in a regular cab short box, it should be an absolute freak for what it is, being a little 2 wheel drive. It still sounds like a nice size cam, don't worry at all about that. It is for sure more...
  15. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    If is probably the opposite problem of what you were thinking when you asked about the converter. It makes too much power at idle and coast down and tries to push through, it doesn't have a problem with getting into the power like you traditionally worry about the converter for. Stab it off the...
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    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    Funny you ask that, the only issue with that cam has been it trying to push through the stock converter at idle in drive, and coming back down to idle like when you slow down for a stop light. I get around it by dropping the timing down at idle in drive and also while coasting down. Basically...
  17. H

    Input or advice from others on cam swap for 6.2L 2011 Yukon Denali

    I have done a few more since, still love them. I have never in my life had a spring fail on any of the supplied tsp PAC springs. I use them on cars pushing over 7 thousand rpms as well. I have personally installed traditional delete cams in 6.2s, and stand solidly by my statement that the vvt...
  18. H

    Moonroof exploded?

    Interesting. I have heard of sun/moon roofs blowing out on the highway when people have a window down. It creates a pressure pulse or something that can blow the glass. One of my buddies that owns a glass shop has seen it a few times now. Guess that isn't what happened in your case.
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    Moonroof exploded?

    Did you have one of the side windows down when it happened?
  20. H

    4L60E Question

    On the earlier 4l60e (like 2004 and down) the problem is in the factory tune. Gm sets up the force motor to shift crazy soft for whatever reason via killing the pressure during full throttle shifts. It is very ******* clutch packs and eventually kills the Trans, and also gives you those super...
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    2012 Tahoe 5.3 Shut down 3 months. Will not start. Help? Ideas? FIXED!

    That is a common problem, you need to replace your entire fuse block. You either call gm with your vin, it will come complete with all fuses installed, or you need to find a good one at a wrecker with all the same options. You really need to make sure they are the same ones if going used, they...
  22. H

    1 Ton Tahoe

    I have done a 2008 regular cab short box silverado exactly like you are talking. You will need the main engine harness since the 6l90 uses an internal tranny controller. You will also need to deal with the reduculous huge output shaft yoke on the 6l90e, it shocks everyone once they see what they...
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    DOD FAILED. CAM THOUGHTS

    Check your spam filter, I emailed you yesterday around 6 pm. Congrats getting it fired!!
  24. H

    DOD FAILED. CAM THOUGHTS

    Pm me your email address and I will send the settings to you right away.
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    DOD FAILED. CAM THOUGHTS

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