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  1. Flexx

    Black Bear Chicago Tune

    Chipping in here. I also have an 07 burb tuned(not blackbear) i didn't realize i had 3.73. Couldn't figure out why my mpg was so bad, gears don't help. I get 14-15 cruising flat at 70-75. Sent from my SAMSUNG-SM-G891A using Tapatalk
  2. Flexx

    Texas guys! Who’s all is here and close to Fort Worth?

    About an hour south. Sent from my SAMSUNG-SM-G891A using Tapatalk
  3. Flexx

    Fosscore's 2013 Suburban LTZ Build Thread

    Mine is supposed to arrive tomorrow. Can't wait. Planned on keeping the suburban stock. Now I'm at tint, exhaust, lift, tune, about add drop in and intake tube. Some sweet burbs rolling around! Sent from my SAMSUNG-SM-G891A using Tapatalk
  4. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Hypertech max energy. Disabled AFM, increase shift pressure, 87 performance tune. Scored a really good deal on it. Wasn't looking to build a race truck. Just wanted to disable AFM. Other settings were a bonus. Sent from my SAMSUNG-SM-G891A using Tapatalk
  5. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Wow. Tune is cool. Don't think there's any noticeable added power, but throttle response, shift firmness, and mpg are improved. Sent from my SAMSUNG-SM-G891A using Tapatalk
  6. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Installed tune tonight, disabled AFM, performance, increase shift firmness, and top speed. Even though i haven't had a vehicle over 80-82 in years. Maybe I'll hit 140 one day! Sent from my SAMSUNG-SM-G891A using Tapatalk
  7. Flexx

    33s, Gears, and MPG

    Hey guys. Bumping this. Would like some more input on sizes. I installed 2.5/1.5 lift Saturday. Really like 305/55/20 but worried about mpg taking a huge hit. Anybody on 285/65/20, 275/65/20? Thinking tall and narrow may not ding the mpg so bad. Sent from my SAMSUNG-SM-G891A using Tapatalk
  8. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Knocked out some stuff yesterday. Did the top engine cleaner, changed spark plugs, installed lift, switch to synthetic oil. Spark plugs 1 and 6 were bad. Mpg went way up on the drive home. 17-18 at 80mph. Have a tuner on the way, going to disable afm. Hopefully this fixes me up. If not...
  9. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Update. We finally ran the scanner. No codes or misfires. Mechanics guesses were valve cover pcv, or something else where we would have to drop oil pan to get too. However. It is burning about 1.5qts every 200miles. That is insane too me. Going to try and run the top engine cleaner and change...
  10. Flexx

    Sold NBS Tahoe. New NNBS Burb

    I haven't installed the lift or new filter yet. Waiting to find out if truck is going to keep running or not before i continue modding. Sent from my SAMSUNG-SM-G891A using Tapatalk
  11. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Yeah, i really don't want to go through selling and buying. We'll see. Two a days and start of school is not the time to deal with this crap. One of my players dads looked at it this afternoon. He is a chevy mechanic. He's going to take to the dealership tomorrow and run diagnostics. He said...
  12. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Thanks. Yeah, really don't want to buy another. I HATE spending money. I'm going to try the things you posted and see what it does. Then I'll figure it out. Sent from my SAMSUNG-SM-G891A using Tapatalk
  13. Flexx

    Sold NBS Tahoe. New NNBS Burb

    125k miles. I'm mechanically inclined. But not enough, nor do i have the tools to do a job like that. I thought everything I'd read was after 09 they fixed the issue. Other bonus would be six speed. Literally settled for this truck because of price and how clean interior and maintenance...
  14. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Any input on why mpg would drop? Or the big white cloud on start up? All from the same? I am just concerned about lifters already failed or about to, valves, etc. I don't want to throw 4k in repairs at a 10k truck. Sent from my SAMSUNG-SM-G891A using Tapatalk
  15. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Can i expect any of that to actually work? I'm just paranoid about it, usually whatever the worse case scenario is happens for me. Strongly considering selling it and buying an 09-10. Sent from my SAMSUNG-SM-G891A using Tapatalk
  16. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Well, my build is postponed right now. Have parts in the garage too. Truck has puffed a white cloud on cold start a few times. Gas mileage has dropped from 17-18 to 14.5. This is on a 20 mile straight flat stretch on cruise at 70-74 every day. Also consuming some oil. Going to have it...
  17. Flexx

    New guy from Louisiana.

    Well, i have a loaded LT suburban i might sell ya. Its drinking a little oil. Going to have it checked out next couple days and see how unlucky i am. Sent from my SAMSUNG-SM-G891A using Tapatalk
  18. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Yes! Thats driving me crazy. I'm waiting to score a deal on a set of 275/65/20 factory take off tires. Then I'll add my lift and tires. New ones will have weights inside! Sent from my SAMSUNG-SM-G891A using Tapatalk
  19. Flexx

    New guy from Louisiana.

    I'm from sulphur. Tx now. Welcome. Sent from my SAMSUNG-SM-G891A using Tapatalk
  20. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Has anybody ran 275/65r20? Thats the tire size on the new 2500 dodge and ford trucks. I think they would look sharp with the lift on a burb. Thinking that size in a transforce at on stock rims. Sent from my SAMSUNG-SM-G891A using Tapatalk
  21. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Well, decided to just delete resonator and add a tip, planned on 4" but it looked huge! Went 3.5" black tip. Has a little more growl now. Going to drive a while before i decide if i want to make it louder. Sent from my SAMSUNG-SM-G891A using Tapatalk
  22. Flexx

    Sold NBS Tahoe. New NNBS Burb

    I'm waffling on the exhaust. My Tahoe had a flowmaster 40 and i don't want this one that loud. Considering adding a 20" magnaflow when i do the res delete and tip. Sent from my SAMSUNG-SM-G891A using Tapatalk
  23. Flexx

    Sold NBS Tahoe. New NNBS Burb

    Limo tint and eyebrow done. 2.5" 1.5" lift, 2" wheel spacers, Green interior and puddle light LED kit on the way. Going to delete resonator and install black 4" tip tomorrow morning. When i get time also going to do tow mirrors, and swap in a touchscreen with backup cam. Sent from my...
  24. Flexx

    Towing 2WD vs 4WD

    Find a 4x4. Always better to have it and not need it, than to not be able to get your boat out of the water. Sent from my SAMSUNG-SM-G891A using Tapatalk
  25. Flexx

    Sold NBS Tahoe. New NNBS Burb

    I think i have factory heated. I'll double check. Thanks Sent from my SAMSUNG-SM-G891A using Tapatalk

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