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  1. Vegasmarc21

    Side gapping spark plugs?

    Does anyone side gap or have side gapped spark plugs? If so, what is your opinion on how it works.
  2. Vegasmarc21

    Blackbear tune compatibility

    Someone is selling this autocal....i know nothing about it. It says it's for a 2004 silverado. A black bear put a tune on it for a 2011 tahoe?
  3. Vegasmarc21

    What's is this noise video

    What is this ratcheting sound....a video of 2011 Tahoe slip yoke and transfer case. Anyone and everyone pls help!!! Please skip to 4:52 Mark and 7:09 Mark
  4. Vegasmarc21

    Transfer Case oil recommendation

    Transfer Case oil recommendation by a Chevrolet service advisor was to put Royal Purple, Redline, Or Lucas transfer case fluid where my Tahoe says of course Dexron Vi...it was my asking if there is anything I could use other than dexron vi and he came back after asking a technician who owns a...
  5. Vegasmarc21

    Keeping Transmission pan cooler

    Had a thought if wrapping exhaust pipe that sits near transmission pan to keep transmission oil cooler. Is it worth it? Why or why not? Any better ideas to keep transmission pan cooler from exhaust pipe heat?
  6. Vegasmarc21

    Driveshaft vibration video

    Here is a video I took today. 1 year driving it like this. Ready to get it fixed. The video is dim, but you'll be able to hear the clunk metal knocking sound...I'm thinking the slip yoke is making that sound...it happens 3rd gear on up at a constant speed like 35 on up. Some days it doesn't...
  7. Vegasmarc21

    Changing rear diff fluid

    I have a 2011 Tahoe LS 4wd. Does anyone know what the correct diff oil I need? I was just going to put (Mobile 1) 75w90 synthetic with limited slip additive already in it. Is this the right gear oil? Also, do I need a new gasket? Or is the gasket reusable? And lastly, do I need new bolts...
  8. Vegasmarc21

    Transmission software

    Anyone have a dealership or know what a transmission software update does? What benefits it has?
  9. Vegasmarc21

    Bad tire causing bad shake/vibration

    I'm having a shake/Vibration in my 2011 tahoe at about 30 mph ...had a shop lift up the rear end and spin the rear tires and the guy said at first thought I had a bent axle, but was the passenger rear tire was warped badly, and i mean badly. My tires are Goodyear 265/65/18 SR-A.... The tire...
  10. Vegasmarc21

    07-2014 22 inch wheels

    Does anyone have these wheels on there Tahoe 2007 to 2014. I'm thinking about getting these wheels and lowering it just a little bit does anyone have a picture with these wheels on their Tahoe? These are Escalade rims they're aftermarket and they're hyper silver color that I like I just wanted...
  11. Vegasmarc21

    Minimal lowering question

    I'm thinking and want to lower, but just 1 inch in front and 2 inches in the rear. Is that a waste of time? I don't want a slammed thug life look, but a performance/stock ride. Would drop spindles in front and lowering springs be the best way to go for a smooth ride? Any opinions?
  12. Vegasmarc21

    Has anyone heard of or have a Pedal Commander

    This Pedal Commander is a pedal sensor which replaces the stock pedal sensor and claims to take away the delay of the throttle response of the stock sensor. It also has the ability to adjust the sensitivity of the pedal response to suit your need of response, from Eco mode, City driving, sport...
  13. Vegasmarc21

    Just saw this black bear video versus stock quarter mile

    First of all this video states that there's a .495 second quarter mile difference versus stock. I'm not trying to bash on Blackbear, but the real difference in quarter mile time since the stock had .305 reaction time difference is .131 seconds in a quarter mile...... That's not very good. I...
  14. Vegasmarc21

    Shudder at light throttle

    Can anyone tell me what shudder I have under very light throttle usually on any gear EXCEPT 1st and 2nd gear with about 1100 rpm to 1500 rpm..... Doesn't happen when I start driving when Tahoe is cold and not up to operating temperature. WOT there is no shudder at all. I have a 2011 Tahoe 5.3 V8...
  15. Vegasmarc21

    Jet throttle body or Hypertech max energy?

    All I have in my 2011 5.3 Tahoe is an AEM dry flow with a modified airbox (a hole cut facing the front and I insulated it to keep heat out). What would you suggest next a jet throttle body or a Hypertech Max 2.0 please no suggestions of a bb tune please....just between the jet throttle...
  16. Vegasmarc21

    Cheap headers?

    Has anyone heard of theses headers? Or know someone that has these headers on their ride? http://www.protuninglab.com/hds-gy99-a.html#_ga=2.260491656.466208897.1507117003-1877232931.1507116222

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