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Hey cool it's got a Sure Grip
https://www.slantsix.org/forum/viewtopic.php?t=22771		 Page 1 of 1
Author:  Jopapa [ Tue Apr 17, 2007 7:46 pm ]
Post subject:  Hey cool it's got a Sure Grip
Changed the oil in my diff today and discovered that it has a Sure Grip! Also found out from the (nearly kaput) tag that it's sportin' a 3.55 gear ratio. Very, very cool. I was planning to put this ratio in at some point if it had a lower gear, but I'll leave that right where it is. Only complaint was that I didn't pick up any limited slip additive while I was out earlier. Fortunately the shop had some on hand.

Yay I have a Sure Grip :P
Author:  SlantSixDan [ Tue Apr 17, 2007 7:50 pm ]
Post subject: 
3.55 Suregrip? And this car has...what transmission?
Author:  Jopapa [ Tue Apr 17, 2007 8:03 pm ]
Post subject: 
Quote:
3.55 Suregrip? And this car has...what transmission?
A 904 I would assume. 3-speed auto, and I wouldn't expect to see a 727 come stock behind a slant, even as a factory option.

The car WAS originally bought from Plymouth by the WA State Department of Ecology, so maybe the rear was a special order?
Author:  SlantSixDan [ Tue Apr 17, 2007 8:15 pm ]
Post subject: 
Cannot imagine why a government agency would order a ratio that would make the car thoroughly unpleasant and highly uneconomical at speed above about 45 mph. I think probably a previous owner swapped in this rear axle you've found.

3.23s or 2.93s would be much more appropriate for all-around use on the street.
Author:  Jopapa [ Tue Apr 17, 2007 9:47 pm ]
Post subject: 
Quote:
Cannot imagine why a government agency would order a ratio that would make the car thoroughly unpleasant and highly uneconomical at speed above about 45 mph. I think probably a previous owner swapped in this rear axle you've found.

3.23s or 2.93s would be much more appropriate for all-around use on the street.
That'd make sense. It looked to be in pretty good shape though, so either way, at least now I don't have to do the work myself of swapping out the gears for the 833OD. So at least there was some good news for me today.
Author:  slantvaliant [ Wed Apr 18, 2007 6:27 am ]
Post subject: 
Quote:
Cannot imagine why a government agency ...
... government agency ...

I think we found the problem! :wink:

I think Dan's right about a past swap, but governments do buy some interesting hardware now and then. Remember the EPA's Superbird ?
Author:  Charrlie_S [ Wed Apr 18, 2007 6:58 am ]
Post subject: 
Quote:
Cannot imagine why a government agency would order a ratio that would make the car thoroughly unpleasant and highly uneconomical at speed above about 45 mph. I think probably a previous owner swapped in this rear axle you've found.

3.23s or 2.93s would be much more appropriate for all-around use on the street.
The fender tag would reveal this, wouldn't it?
Author:  Jopapa [ Wed Apr 18, 2007 9:55 am ]
Post subject: 
Quote:
Quote:
Cannot imagine why a government agency would order a ratio that would make the car thoroughly unpleasant and highly uneconomical at speed above about 45 mph. I think probably a previous owner swapped in this rear axle you've found.

3.23s or 2.93s would be much more appropriate for all-around use on the street.
The fender tag would reveal this, wouldn't it?
I would figure it would. I'll write it down next time I work on the car and post it.
Author:  DionR [ Wed Apr 18, 2007 11:26 am ]
Post subject: 
Looks under the seats for the Build Sheet, too. Alway cool to find that, plus it might confirm the gears if the data plate wont.
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