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    Electric Fans 8.1L Big Block

    I'm thinking of converting my 02 8.1L to E-fans. Now I know everyone recommends this mod but I've heard the 8.1 needs a lot more cooling. Flex-a-lite has a kit that flows 5500CFM. Would this be enough for towing 7k lbs in 100* heat? And if anyone has this motor, did it make a noticeable...
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    Spark Plug gap 8.1 Vortec

    About the change the plugs on my 02 8.1 yukon xl 2500. The new plugs come pregapped to .054. Stock for the truck is .060 but I've heard dropping down to .045 makes a big factor in performance although its stock. Any thoughts?
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    Deciding on towing upgrades.

    So i've been trying to decide what to throw my money in to for endancing my 03 suburban's towing performance. It has 120k 5.3 and 3.73 rear end LT 245/75/17s. I've been kicking around the idea of upgrading to 4.10s since a local shop can get me out the door for $750. But i'm unsure of the gains...
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    what is this???

    Not sure what this goes to. I'm guessing its a ground a wire but its just going from one bolt to another so idk what the heck that means
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    New look

    So idk why but I've decided to go with a PPV look with my sub. Now its not going to be dead on authentic since things like tires for them are outrageous and my paint is pretty dang good. I've started with tires and wheels. I found some ordinary half ton hubs because I'm having trouble locating...
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    Help with design ideas

    Hey guys, didn't know where to post this because it is both an interior and exterior question. I want to customize my suburban a little bit and I'm not sure what do to really because of the color of my suburban. I really like the color scheme of the green monster energy drink. The black and I...
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    11 yr old fuel filter!

    So went for my first oil change since buying by 03 burb and come to find out it still had the original fuel filter! There was some pretty funky stuff left in there. Needless to say I left it in just because it's lasted this long so may as well keep it. Just kidding! :boobs: New ac delco is in
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    how do I get into here

    Just wondering how to get into this panel without messing anything up. Looking to run my power inverter to this panel
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    Best Interior Mod

    I'm not sure if this thread already exists or not. I did a search and came up with nothing. Looking for some ideas on interior mods and thought a thread with the best interior mods ya'll have done would be cool. Please post what you think is the best interior mod you've done with pics!
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    CAI Fitment problems 03 Suburban

    So I finally went out and got a spectre CAI but it doesn't fit. The intake tube hits the fan. So I took it back and tried to build my own out of PVC. Same issue. Also there is a radiator hose that looks like it will be in my way if I were able to find something to fit which doesn't seem likely...
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    Engine noise between 45-50mph

    Not sure how to explain this noise but when driving between 45-50mph and only at those speeds it sounds as though the engine get louder almost like it needs to shift but then past 50mph its gone. The RPMS don't fluctuate or anything and I'm definitely in OD. Any thoughts? This may be no big...
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    First Mod!!!

    Thanks to y'all at the forum, I've done my first mod. 6Hi w/DRLs. It was stupid easy thanks to the tech right up. Keeping it on the cheap side until the tax refund comes in and I'm keeping it under the radar from the wife. sorry about the glare. I just found that my phone has a damn...
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    Is 20MPG possible

    So I'm trying to reach my goal of 20MPG from my 03 Suburban. I would like 20mpg because my parents live 530 miles away and really i think it would be fun to make it on 1 tank of gas. Currently getting 18MPG driving 75mph (speed limit in TX). I have no mods except a flat K&N filter from PO...
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    Just Joined, Looking to buy

    Hey y''all looking at buying a 00-04 Yukon XL or Suburban and just trying to get opinions. I've owned an 03 tahoe before and loved it but ended up selling it after an electrical fire and the dealer not fixing it correctly causing numerous problems. Anyway I know a little about these years but...

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