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Car Forum / GMC Cars / February 2006GMC Seierra Drive Problems?
I have a GMC Sierra 5.3l vortec automatic 4 speed overdrive 2003 short wheelbase pickup. I put a dubble locker editon possie rear end in with 4.10 ring gear & pinion in. I had a stock rearend and 3.42 gears. Now when I get to 110mph or a 120mph (off road) I have vibrations in the floor. I feels like it is in the drive shaft or trans. Could anyone andvise what this problem could be? Before when stock I did not have this trouble what is wrong? The gears where set up right and all new seals put back in. PLEASE ADVISE IF YOU CAN HELP ME! Greetings, I'm no driveline expert, but it would seem that at the speeds you are traveling you are turning many more RPM's with the new higher ratio rear end than before so any vibration that may have been slight or unnoticeable before will be mangnified now. Of course you could also have an out-of-balance driveshaft or tailshaft or something of that order (especially if you use it off-road at such high speeds). I'm sure someone here in the group can give you a more expert answer (also try posting at alt.autos.4x4.chevy-trucks) but it seems to me that this issue would most likely be user-induced. Good luck - Jonathan >I have a GMC Sierra 5.3l vortec automatic 4 speed overdrive 2003 short > wheelbase pickup. I put a dubble locker editon possie rear end in with [quoted text clipped - 4 lines] > this trouble what is wrong? The gears where set up right and all new > seals put back in. PLEASE ADVISE IF YOU CAN HELP ME! Thanks, Johnathan I was told today the it might be in the dubble clutch locking system at high speeds trying to lock up the rearend and release it. If you hear any more information please advise, I'll check the other location too on my two wheel drive truck. > Thanks, Johnathan I was told today the it might be in the dubble > clutch locking system at high speeds trying to lock up the rearend and > release it. If you hear any more information please advise, I'll check > the other location too on my two wheel drive truck. DOUBLE! DOUBLE! DOUBLE! Turn that spell checkr on boy.  Signature-Mike- mmarlowREMOVE@alltel.net Greetings, There is a product that I believe you should look into. Their website is www.balancemasters.com and they have units for driveshafts (among other things). I know about them because I use them on my '95 Harley and love the results I've gotten. Just as a quick explanation, Balancemasters is a simple disc that has a hollow rim filled with mercury. When mounted and spinning (like on a wheel or the compensator and clutch of my Harley), the mercury acts like a fluid balancing weight and smoothes out any out-of-balance condition and vibration. Static balancing is only good up to a certain point, but after that (like at 120mph) then even a little bit out of balance can be magnified and become a problem. Read up on their website - you just might want to give them a try. Cheers - Jonathan > Thanks, Johnathan I was told today the it might be in the dubble > clutch locking system at high speeds trying to lock up the rearend and > release it. If you hear any more information please advise, I'll check > the other location too on my two wheel drive truck. > I have a GMC Sierra 5.3l vortec automatic 4 speed overdrive 2003 short > wheelbase pickup. I put a dubble locker editon possie rear end in with [quoted text clipped - 4 lines] > this trouble what is wrong? The gears where set up right and all new > seals put back in. PLEASE ADVISE IF YOU CAN HELP ME! I'll bet you lifted it too, huh? I have a hard time believing 120mph out of a 5.31 with 4.10 gears - on or off the road, downhill with a hurricane for a tailwind. Signature-Mike- mmarlowREMOVE@alltel.net >> I have a GMC Sierra 5.3l vortec automatic 4 speed overdrive 2003 short >> wheelbase pickup. I put a dubble locker editon possie rear end in with [quoted text clipped - 9 lines] > I have a hard time believing 120mph out of a 5.31 with 4.10 gears - on or > off the road, downhill with a hurricane for a tailwind. Have your driveshafts balanced because they are not well balance from the factory. (I do question the claimed speeds involved though because it is likely that if it does in fact record that speed on speedo, it is out of calibration)) Signature----------------- www.thesnoman.com Mike, look I have several vehicles and this is a vehicle I just started to work on. If you knew me you would understand! This is a little project I'm working on to pick up so call "think I got a fast car person"! Just working a simple street truck for me is hard but the real horse power I can do! Just check out this site and you will see www.1320.com then if you can top this advise??? Maybe just maybe you and me can meet and play with a little pocket money! If you don't have advise please don't reply, I sometimes like to here from people who have been their and done that not just what I believe I can't do like you! > Mike, look I have several vehicles and this is a vehicle I just started > to work on. If you knew me you would understand! This is a little > project I'm working on to pick up so call "think I got a fast car > person"! Ok - so you like to be the big man on the block - you're entitled to that, if that's what floats your boat. > Just working a simple street truck for me is hard but the real > horse power I can do! Just check out this site and you will see > www.1320.com then if you can top this advise??? Well now Mr. Turbo T, you lost me. A web link to a drag racing site - is that supposed to mean something? Hint - I've known about the existence of drag racing for a few years. Even did some years ago. Still know some good engine builders. Funny thing - not a single good engine builder that I know would have posted the question you did or made the statements you made. Methinks you're full of bull. > Maybe just maybe you > and me can meet and play with a little pocket money! Yawn. You can't even put the truck together properly after a simple rear end change and you're mouthing off about a racing wager? I think you read too many web sites. > If you don't have > advise please don't reply, I sometimes like to here from people who > have been their and done that not just what I believe I can't do like > you! Those of us that have been there/done that clearly have an advantage over you. We can recognize when a bullshitter is trying to foist one with the notion that his stock motor is tooling his truck at 120mph with 4.10's. Now you're going to tell us that you did it in the quarter mile? Hint - think about your audience before making stupid claims. As for replies - it's usenet fool. Make a public post, expect public replies. Make blowhard claims and expect somebody is going to call you on them. Signature-Mike- mmarlowREMOVE@alltel.net Mike, look I'm tring to get answers for problems that I have with drivetrains. The web site posted was to let you know in a nice way if you can't top this type of vehicle don't reply. You still don't understand and I can't speak for something you don't UNDERSTAND like 120mph. I can tell from your bullshit advise you can't understand the question, if you don't believe it well I can't answer your question. If you have a problem with me or my qustion please post your number and I'll call you on my dime and tell who I am! And to end this idiot conversation with your type of questions and beliefs. Your last statement speaks for itself, "BLOWHARD" Look I'm not looking for a porn site with queers only a site that will help me with driveshaft problems not driveshafts you like up your rear! > Mike, look I'm tring to get answers for problems that I have with > drivetrains. The web site posted was to let you know in a nice way if > you can't top this type of vehicle don't reply. You still don't > understand and I can't speak for something you don't UNDERSTAND like > 120mph. My friend, I ride faster than that on my snowmobile. Please don't try to get one up on someone you know nothing about. > I can tell from your bullshit advise you can't understand the > question, if you don't believe it well I can't answer your question. I've given you no advice, so there can be no "bullshit advice". > If > you have a problem with me or my qustion please post your number and > I'll call you on my dime and tell who I am! My email address is clearly posted in my sig line in every post I make. > And to end this idiot > conversation with your type of questions and beliefs. Your last > statement speaks for itself, "BLOWHARD" Precisely the word that came into my mind with your first post, your second post and come to think of it, this post offers nothing different from you. > Look I'm not looking for a porn > site with queers only a site that will help me with driveshaft problems > not driveshafts you like up your rear! You should have worked harder on that last thought - it failed you miserably. Signature-Mike- mmarlowREMOVE@alltel.net Mike, I thought you had a problem with me, but I see you have a problem with Life, and playing with yourself. Please quit jacking me around with your round mouth ways. In time you will see what you don't understand I can't speak to! Please go to the to the fag land you came from and play with your snow mobile. > Mike, I thought you had a problem with me, but I see you have a problem > with Life, and playing with yourself. Please quit jacking me around > with your round mouth ways. In time you will see what you don't > understand I can't speak to! Please go to the to the fag land you came > from and play with your snow mobile. Yawn. Such a pathetic attack. Ok, you're going to implode here, so I'll just say "you win" and hopefully you'll just move on back to your make believe world where you can imagine your toys going fast like the pictures on the web sites. Signature-Mike- mmarlowREMOVE@alltel.net Mike, I see you just wont give it up, by the way do you have a vehicle or do you just talk the talk? I bet you a proud owner of a Dodge Neon or a Mazda truck! Your true will not give it up friend! |
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