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TH350 with VSS

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Old May 23, 2012 | 10:43 AM
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Default TH350 with VSS

I know there is a kit out there, but I decided to go a little out of the box with this one..

This will only work with the TH350 Longtail (9").

I got ahold of the Fitzall Spacer, part # 7Q-35B, it comes with the Spacer, Bolts, and other small pieces. Then I also got a 4-bolt 4L60E Tail Housing with small VSS..


Pictured in there also is the stock TH350 9" Tail Housing.

On the stock Output Shaft there is a bevel, I grinded that down and after some precision Dremeling I splined it and installed a T56 17x Reluctor Wheel..



Measurement from center of the VSS to the end of the Tail Housing with Spacer came out to appx 3 13/16". I installed the Reluctor with the center very close to that.

I then bolted up the Tailhousing and checked VSS clearance..



I had to Dremel down the flange on the VSS to get it within .005" of the Reluctor so it picks up the pulse. I then updated the Tune of the car to adjust for the new Reluctor Setup. Pretty much the same as a T56 car now.

So far everything works and checks out on the Transmission, and it's about $110 invested to make this work. It saves the hassle of removing the Trans and tearing it down to install the other kit.
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Old May 23, 2012 | 08:39 PM
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I have the speedo fully calibrated with the laptop, works flawless.
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Old Apr 18, 2013 | 11:35 PM
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Bumping this one up..
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Old Apr 18, 2013 | 11:49 PM
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Dang I have short tail . I had the Dakota Digital but it fell out got mangled. time for a new one . Great work on your setup.
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Old Apr 21, 2013 | 11:37 AM
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i ve used a 700r4 or 4l60e reluctor wheel and a buick olds pontiac extention housing the speed sensor fit perfect
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Old May 15, 2013 | 12:15 AM
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How do you get the wheel off, will it just slide off if you tap on it? I saw some in junk yard today, but the teeth were a lot closer together, do they need to be a certain amount of teeth on the wheel?
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Old May 17, 2013 | 10:53 PM
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Looks good man, i have a short tail but have a long tail as spare. Might do this.one day
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Old Aug 27, 2013 | 12:41 AM
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Originally Posted by MillsMotorvation
How do you get the wheel off, will it just slide off if you tap on it? I saw some in junk yard today, but the teeth were a lot closer together, do they need to be a certain amount of teeth on the wheel?
That's an extra one from the T56's I rebuild..just set the Tune in the PCM up for it.
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Old Aug 27, 2013 | 12:57 AM
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Necessity is the mother of invention...

A 4L60E reluctor should press fit on the 350 shaft, so I would HIGHLY suggest not butchering the output shaft like that. It makes it weaker.
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Old Aug 27, 2013 | 01:41 AM
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Didnt have one available..so I improvised.

If I break that thing then I'm doing something right.
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