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GMC Sierra/Chevy Silverado 2500 & 3500 - II ![]()

1057 messages, Last post on May 12, 2002 at 4:56 PM
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1997 GMC Extended Cab, SB before my new truck came in. I was the 2nd owner, it was off a 3 yr. lease in January 2000. It sat on the lot for 6 months, no-one would buy it because it had a 454 and no 3rd door. Anyway I got a good deal on a great truck. It had 34K when purchased in July 2000 and it had 70K when I traded it in on 2/15/2002. The truck cost me a Hydrobooster, Starter, Waterpump, Battery and a door handle in repairs( probably about $1000.00 total ). It was not running as good as I thought it should when I purchased it. I have a friend who is an ace GM tech and he downloaded and updated program for me. The truck screamed after that update!!! I also had a slight cold start knock, maybe for 10-15 seconds. It used 1 qt. between changes and it got 12mpg in town and 14-16 on the highway with 3:73's. Sorry to hear about your troubles, I have personally bought 3 new and 4 used GMC trucks in the last 12 years and had good luck with all. It's too bad that the Dealer jerked you around. Sounds to me like the truck fell of the carrier or was tweaked when it was transported. Hey who knows maybe it was a Friday Truck!!! Lot's of Luck, don't give up on GM's yet!!! Mr. Milky |
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| It was probably built on April Fool's Day, as we took delivery on April 14th - that's about the only explanation we can come up with. Our knock does it most of the time, doesn't matter if it's cold or run 100 miles. We have a friend who's an excellent mechanic (works for Ford, but knows vehicles) and he rode with my hubby last weekend. He said too that there is something seriously wrong with this truck. Even made my hubby pop the hood to make sure there was a big block underneath - that's pathetic. Chevy may be starting to screw with us on the lemon law deal too, so ...we'll see. I told them my attorney (boss) has been told if I get in an accident to sue the heck out of chevy, since right now the brakes are not always working (real safe, hey?) and Chevy knows it. | |
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| I am assuming you have a 4-wheel drive. I have an '01 Chevy 2500HD 4X4 ext. cab short-bed with the 6.0/4.10. I think the stock tires you have are 245/75/16, not 245/85/16. 245/75/16 are what came stock on my truck. They were the Firestone Steeltex. I just put 285/75/16 Cooper STT (mud tires) on American Racing 16x8 wheels. I had to crank the torsion bars up 4 turns (approximately 3/4" raise) and trim the front air dam and the inside front fender well covers on both sides. The left front fender well is quite a bit tighter than the right front fender well. I still get a slight rub under the left front fender well at the back when the wheels are turned sharply to the left. Trimming on the back side is a little harder than the front as the body and emergency brake cable are in the way. There is not enough rubbing for me to mess with trimming the back side and rerouting the emergency brake cable. There is plenty of room in the back without any mods. However, I would say if you have both the crew cab and the diesel, I would bet that your truck probably sets a little lower than mine in the front. Therefore, I would not recommend going larger than 265/75/16 unless you want to do some work. Unfortunately, the only lift that I have currently found for the Chevy/GMC 2500 HD's is a 6" lift. I was considering a 3" lift to accomodate the 285's, but so far the 6" is all that is available. That's a little too tall for me (and my garage). I am very happy with the Cooper tires so far. They were about $50 per tire cheaper than BFG M/T's. We'll see how they wear. I've always had the BFG tires in the past, which are very good tires. I hope this helps. | |
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" was considering a 3" lift to accomodate the 285's, but so far the 6" is all that is available"
Check out http://www.performanceaccessories.com they have a 3" body lift |
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| I don't want no body lift. If you happen to see a 3" suspension lift, please post it here. | |
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i figured you wanted a suspension lift. Just thought id throw out the body lift too |
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| You may want to consider BFG M/T 255/85/16 on your stock alloys. I have these on my 01 2500hd 4x4 CC w/ 6.0 and 4.10 . They are 33.3 dia. and work great on the stock 6.5 rim. I did crank the torsion bars up 5 turns (1")(don't forget to have it aligned). I didn't have to trim the frt. air dam but I did have to pull the driver side inner fender in with a few sheet metal screws and I also tied the emergency cable back with a zip tie to reduce rubbing on a hard left. It was about a 10 minute fix. If you want ultra quiet tires the BFG's probably aren't for you, they make some road noise. Also if you have 4.10 gears the increased dia. to 33.3 from the stock 30.6 dia. will change your overall gearing to approx. a 3.77 gear. I really haven't noticed any loss of power from the change but remember it will affect your speedo slightly. | |
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If you want a quiet running tire that won't beat up your fenders like a mud tire, and has a 40,000 mile treadwear warranty, the Kelly Safari AWR is an excellent choice. Deep tread is great for winter driving, halobutyl liner retains air pressure longer. It's a premium all around tire, reasonably priced, and one of the few available in LT255/85/16. I have them on my 2500HD Duramax, on the stock 6.5 inch rims. No rubbing, no turning up the torsion bars either (33.05 inch diameter). http://www.kelly-springfield.com/products/light/sawr.html |
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| We will no longer own our newer Chevy...Hope no one else out here has to go through what we are, but I know some of you will. lol | |
| So are you going to trade up to a Ford Super Duty, you say you already got the most important ingrediant........a great friend that is an ACE Ford Mechanic..... | |
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