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  1. Hotrod61483

    8L90 at wits end

    That's a nice looking rig!! I have a 2015 Yukon Denali XL and the 8L90 in it started shuddering real bad at lower rpms, above 2,000 rpm and it usually didn't shudder or shake. Truck had 63K miles when we bought it, and it started doing it at about 68K, it has 73K on it now and it's gotten worse...
  2. Hotrod61483

    Need suggestions - Vehicle repurchased, new vehicle in shop

    I think what you're asking for is reasonable considering all that you have been through with this whole ordeal. I also like the idea of the GM Protection Plan for 8 years and 120k miles, and that may be easier to negotiate? Whatever you decide, please keep us posted, I'm curious to see what GM...
  3. Hotrod61483

    6.2L or Duramax reliability

    I'm surprised there's not more people Rallying with the 6.2L. IMO the 6.2L is hard to beat in reliability and performance, I've owned several and they have proven themselves to me. I drive a 2015 Yukon Denali XL and it's the same Echotec 3 engine from 2015-2020. I can't attest to a brand new...
  4. Hotrod61483

    Whipple vs LSA pros and cons

    Here's a couple pics of the Gen 5 3.0L Blower
  5. Hotrod61483

    Whipple vs LSA pros and cons

    Wow, there's some really good info in your comment, I really appreciate it. Do you know if the Gen 5 3.0L Whipple will fit my engine? Only reason I ask is because I recently read a thread that had the Gen 5 Supercharger and it looked awesome!! I think it was on a 2021+ or something like that? It...
  6. Hotrod61483

    Whipple vs LSA pros and cons

    Hello all, I'm a long-time Lurker, first time poster. I have a 2015 Yukon Denali XL that I've been wanting to put a Supercharger on. Can anyone help shed some light on the Gen 4 2.9L Whipple Supercharger vs using an LSA 1.9L Supercharger off of a Camaro SS or the CTSV? I've read a lot of...

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