LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Do yourself a favor, get your driveshaft balanced.

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Old 09-30-2008, 08:44 PM
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Default Do yourself a favor, get your driveshaft balanced.

So I did a spec stage 2 clutch on my car... and i figured while im in there i should re-do the ujoints. I went to a shop to get the ujoints put in (i dont have a press and i dont trust my vice/hammer skillz)... and I told him to balance it for funsies. Well, it was way the fk off... with factory weights. so he took off a few weights to balance it out. Now, NO MORE HIGH SPEED SHAKING!! yaaaaaaaaa.

Moral of the story, if u pull out your driveshaft for some reason, GET IT BALANCED!
Old 09-30-2008, 09:01 PM
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Was this the steel shaft or an aluminum one?
Old 09-30-2008, 09:10 PM
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steel. ive heard people say that they are like unbalanced from the factory lol
Old 09-30-2008, 09:14 PM
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Yeah most of them are pretty bad.
Old 09-30-2008, 09:18 PM
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Mine vibrates at about 90+....annoying, might look into that.
Old 09-30-2008, 10:07 PM
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Mine was terrible I swapped it for an great condition used 3" aluminum LS1 driveshaft for $75. Figured it was lighter anyways wich could be worth something. Car is smooth as hell now
Old 09-30-2008, 10:41 PM
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ive never noticed vibration
Old 10-01-2008, 02:37 AM
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not all of them are unbalanced but alot are..im going with an aluminum one eventually when i get the money...plus some of the next mods are going to be wieght reduction anyways without making the car look like it was butchered
Old 10-01-2008, 05:55 AM
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When I had my LT1 I went with a LS1 DS, seemed to help reduce vibration in the car.
Old 10-01-2008, 08:39 AM
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In some cases, it's not only a balance issue, but a lot of OE driveshafts don't run "true".
Old 10-01-2008, 09:11 AM
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Both of the 95 Z28s I've spent a lot of time on (my own and my friend's) had really bad driveshafts. I'm still running it in my car, I really have to replace that when I can. I'll probably end up waiting until I can put a rear end w/ custom driveshaft in it though.
Old 10-01-2008, 03:56 PM
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alum ones were pretty expensive from what i saw. and steel takes better abuse
Old 10-01-2008, 10:04 PM
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I have no vibration issues with my stock driveshaft. I guess I'm a lucky one.
Old 10-01-2008, 10:26 PM
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how much does it run to have the driveshaft balanced? i don't even think there are many shops around here with enough skill to be able to do it. i'd like to see how well balanced the stock aluminum LS1 ds's are
Old 10-01-2008, 10:26 PM
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I replaced the stocker in my 1993 TA with a 1LE back when I owned the car and it made a HUGE difference with high speed vibrations.
Old 10-01-2008, 10:36 PM
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Years ago there was a TSB put out for a balance problem with the stock steel driveshaft. The solution was to replace with a 1LE aluminum shaft. I took full advantage of this even though I had to fight tooth and nail even though I had the TSB number and bulletin on paper and they looked it up and located it themselves through their database.
Old 10-01-2008, 11:31 PM
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you have the TSB number? mind posting it? i wanna read it up.

Also, it cost me $30 to get it balanced.
Old 10-01-2008, 11:35 PM
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My Dennys Nitrous shaft is great!
Old 10-01-2008, 11:57 PM
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Originally Posted by ThoR294
you have the TSB number? mind posting it? i wanna read it up.

Also, it cost me $30 to get it balanced.
I'll rummage through my file of crap to see if I still have it handy and I'll scan it. This was 11 years ago so I dunno if I hung on to it. Hopefully I did...
Old 10-02-2008, 10:16 AM
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I had the TSB way back then also but dont know what ever happened to it. I had already taken care of it myself b4 I got it.


Quick Reply: Do yourself a favor, get your driveshaft balanced.



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