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Greg the leg

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About Greg the leg

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  • Birthday 07/13/1958

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  1. My GMC Denali was made in Mex, Silao 6.2- 8 speed auto. Everything has been great, except the torque converter had to be replaced, 55mph vibration on and off.( when it vibrated the Tach would jump up 150-200 rpm)
  2. My 2015 Denali, 6.2/8 speed had a weird intermittent vibration that will last a couple seconds at 60 miles an hour after I had it a months. It was like driving over rumble strips, then stop , then do it again 10 seconds later, a few times,then not do it again for a few days. Also the tach would jump up 100 rpm when the vibration was occurring .That went in for a year before I read other people were having the same issues that were caused by the torque converter not locking up. I brought it to my GMC dealer when it was having a episode and they drove it and they said Yep there's a problem . I left it there while I was away on a weeks vacation. When I got back from vacation I went to the dealer and they did have it all fixed new torque converter and reprogrammed the ttransmission no problem since,thank goodness. Happy as a Lark- now
  3. I have the stock 20" rims and stock size tires on my 15 Denali, I also have GM 22" rims and tires. The are the same height and circumference. But different side wall ratios, same size widths
  4. And I can still get my hand on the rear stake pocket to help pull myself up in the back.
  5. My Brother-in-law Joe, had Carl do a power tune his 6.2 2015 Camaro, he was very happy with all the stuff he did to that! and that was without the E85 tuned into it. I haven't been out on the road enough to know my mpg on my Denali, but the increase in power is Amazing...
  6. Winter combo Stock Denali 20"alloy rims with BF Goodrich KO2 275/550/20 Damn near the same circumference as my 295/45/22, so I don't have to change any speedometer setting. Summer combo
  7. Winter combo Stock Denali 20"alloy rims with BF Goodrich KO2 275/550/20 Damn near the same circumference as my 295/45/22, so I don't have to change any speedometer setting. Summer combo
  8. Greg the leg

    GMC Denali

    2015 Sierra Denali,1500, C.C. Stone Blue, Sunroof, 6.2, 8 Speed Auto, Coco/mocha leather, summer 22", winter 20" wheels.
  9. http://i1200.photobucket.com/albums/bb337/MTNDUC/Denali/609605f0f7f0f003d4d82a92a9d1069f_zps1430e61c.jpg Oops, I put in a whole album, summer 22's, winter stock 20'swith now BF Goodrich KO2 all terrains
  10. http://vid1200.photobucket.com/albums/bb337/MTNDUC/IMG_75341_zpsoffvp7oa.mp4 A little video clip of my Denali getting a dyno pull by Carl. (I was near a HUGE fan during the pull...) it muted my engine roaring.
  11. And that still with 2-3 gallon of premium gas mixed with the 10 gallons of E85, a pure tank of E85 might be more yet!
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