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To spool or not to spool?

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Old Jan 12, 2011 | 07:06 PM
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Default To spool or not to spool?

MY detroit true-crap took a dump in my Moser 9". I go cruising with my car on nice days and try to get to the drag strip every once in a while. Would it be a bad idea to go with a spool and 4.56 gears and still be able to take the twisties on back country roads?

edit: MY 9" is a 3ch with 3.75 gear. I'm rockin the T-56 also.

Last edited by LS1HIGHLIFE; Jan 18, 2011 at 02:08 PM.
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Old Jan 12, 2011 | 07:24 PM
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that going very crazy idea in my last 98 SS my eaton went south and i put an spool in my car. I hate it for the street your car going to drive like crap in the corners. You going to hate your car in the streeT !!!
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Old Jan 13, 2011 | 08:17 PM
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So what's a good limited slip out there that can take some abuse? Apparently the true-trac can't .
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Old Jan 14, 2011 | 12:19 AM
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wavetrac
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Old Jan 14, 2011 | 12:36 AM
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Originally Posted by LS1HIGHLIFE
So what's a good limited slip out there that can take some abuse? Apparently the true-trac can't .
Originally Posted by need4fun2469
wavetrac
True, but your wallet will also take some abuse when going this route lol.

I'm also considering going full spool with my Fab'd 9" later this year, and wouldn't mind hearing from any other members that have gone with this choice for a street/strip car.
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Old Jan 14, 2011 | 03:45 AM
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If you spend a lot of time driving inner city streets, then I wouldn't go with a spool. If your driving consist of a lot of rural and highway driving, then you're a good candidate for a spool. Every person has a different tolerance of what they will put up with, so it is hard to tell someone to go ahead and run a spool. I had a customer at the old shop with a spool in a Caddy CTS-V, and he lives by Indianapolis and doesn't mind it at all. Many people like a spool a lot better than a locker. Bob
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Old Jan 14, 2011 | 08:31 AM
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I'm one that got rid of a detroit locker in favor of a spool. Waaaaay mo betta with a 6 speed car! Only thing you notice with the spool is the steering wheel requires more and more effort as you turn it towards full lock. With the locker I was tearing up my trans synchros and the car bucked and jumped all over the place.....never again!
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Old Jan 14, 2011 | 09:31 AM
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How was the differential causing you to tear up syncros?
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Old Jan 14, 2011 | 10:57 AM
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Originally Posted by Oldsmobility85
How was the differential causing you to tear up syncros?
The driveline with a locker will cause the driveshaft to be able to rock back and forth about 1/2 a turn. This can play havoc with the transmission at part throttle. Bob
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Old Jan 14, 2011 | 01:34 PM
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Originally Posted by Bob@BruteSpeed
The driveline with a locker will cause the driveshaft to be able to rock back and forth about 1/2 a turn. This can play havoc with the transmission at part throttle. Bob
^^^Yep. A locker is set up by design with a lot of slop for it to operate correctly. When my car was on the ground in neutral I could rotate the drive shaft almost 45 degrees back and forth. This slop caused intermittent grinding during normal driving/shifting. I was shocked how much smoother my car shifted both during normal driving and WOT after installing the spool.
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Old Jan 14, 2011 | 02:51 PM
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Thats very understandable. I would have to believe driving style would have to have something to do with it.
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Old Jan 14, 2011 | 03:04 PM
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We have a lot of people ask us about spools daily, if you want to maintain a car you can have a little fun going on and coming off on ramps a spool is not for you and neither is a Locker especially like mentioned with a M6.

We have actually had real good luck with the Truetrac and even the Billet Clutch Posi we offer. All though everything has a limit and we like to help choose what is the best route to go based off the customers needs.

I'm not saying I'm just saying there might be a new alternative out there this year to handle some abuse and not break the piggy bank..
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Old Jan 14, 2011 | 03:57 PM
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I'm running a spool at this time. It does take a little getting use to. I went spool because of budget. I will look into getting a wavetrac in the future.
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Old Jan 14, 2011 | 08:49 PM
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Originally Posted by MidwestChassis
We have a lot of people ask us about spools daily, if you want to maintain a car you can have a little fun going on and coming off on ramps a spool is not for you and neither is a Locker especially like mentioned with a M6.

We have actually had real good luck with the Truetrac and even the Billet Clutch Posi we offer. All though everything has a limit and we like to help choose what is the best route to go based off the customers needs.

I'm not saying I'm just saying there might be a new alternative out there this year to handle some abuse and not break the piggy bank..
Interesting....... staying tuned.

Yeah I have the true-crap in mine now that came from Moser when I ordered the rear. I want to go with something with similar characteristics, but a bit stronger. Also, won't kill my wallet like the wavetrack will.
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Old Jan 14, 2011 | 09:11 PM
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i enjoy my spool...i cant complain....
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Old Jan 14, 2011 | 09:18 PM
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I made the swap after my True-Trac broke. It is deff harder to drive on inner city streets but I have found that if you run regular street tires it makes it worse. However if you run a Drag radial style tire like a Mickey it lessens the chirp on sharp corners. I attribute this to the softer sidewall. I read up on this subject before I made the switch and found guys talking about it so i tried it and the MTs worked much better.
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Old Jan 14, 2011 | 11:43 PM
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Damn, what is this a prius site? My wife has even had several cars with spools and doesnt whine or have an issues driving. The current car I am doing for her is a 99 z28 with a ms3 cam, healthy shot of gas, m6, 9" with full suspension. Grow some, geez
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Old Jan 15, 2011 | 02:48 PM
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im goin spool in my 9in this winter , i drove a friends car with one it and it isnt so bad
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Old Jan 15, 2011 | 05:48 PM
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I would use a spool in a drag car only. I just sold my spool and bought a wavetrac. After selling my entire center section and purchasing a new center section with a wave trac already installed, I spent about 1100-1200 dollars. It's worth it.
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Old Jan 15, 2011 | 09:23 PM
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Anyone heard anything good about the Yukon (not GM's Yukon) differentials? Or the Eaton elocker?
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