Need rear axle specs.

bestatchess said:

http://www.wfoconcepts.com/Projects/NissanTitan/index.html

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Wow.....thats amazing!!!!

bestatchess said:

http://www.wfoconcepts.com/Projects/NissanTitan/index.html

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What an unbelievable build!!! Truly amazing! Just got done reading the whole article and viewing all the pix.

Bomar, here is something that might interest you:

We fired up the truck and backed it out of the shop. After driving up and down the street, we realized we had a problem. The speedometer did not work. Due to this problem, the motor would go into a limp mode after driving a small distance. It would stay running, but would lose all power. It would take a few seconds to kick back in. We were prepared to see the anti-lock brake light, and the 4x4 light, but not this. While taking out the original axles, we did notice that there were 4 separate speed sensors; one at each wheel. We also noticed that there was a speed sensor in the tail shaft of the transmission. At that time, we did some research on the internet. We also talked to a few Nissan techs. Everyone came to the same conclusion. The wheel sensors were supposed to be for the brakes and the tail shaft sensor was supposed to be for the speedometer. I guess we concluded wrong. With such new technology, nobody really knew how it worked.

After pondering the problem for a while, we decided the only way to fix the problem was to put speed sensors back on all 4 tires. Not only would this fix the speedo problem, but the anti-lock brakes would also function properly again. The truck would be back to its exact stock configuration. It all sounded easy in theory, but we didn't have the slightest idea how to do it.

We started by examining the stock toner rings. We now knew that the speedometer read from these rings, so we started doing some math. We calculated the % change in the tire size from 33" to 40". We designed our new toner ring with this % change incorporated into it. This would allow the speedometer to show the correct speed. The gear ration did not matter, due to the fact that the sensors measured actual tire rotation. The new rings were drawn on the computer, and custom cut from 3/8" steel. Once we had the rings in our hands, they were mounted on the 4 wheel hubs, using the factory Nissan speed sensor wiring.

To our delight, not only did the speedometer work, but all of the lights on the dash went off. We drove the truck down to the dealer to have them search for any bad codes. Once the old ones were cleared, no new codes popped up. The wiring was completely back to its stock configuration. Not to mention, the speedometer was almost right on!

I put a Dana 60 into my truck, and I have had 0 problems with mine. It took some work and a lot of planning but it was all well worth it..

DezertRunner said:

I put a Dana 60 into my truck, and I have had 0 problems with mine. It took some work and a lot of planning but it was all well worth it..

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Sounds great!!

More info would be nice!!

Hey DezertRunner,

What gear ratio are you using now? I noticed your truck is 4wd, so what did you do in the front?

CHUD said:

Hey DezertRunner,

What gear ratio are you using now? I noticed your truck is 4wd, so what did you do in the front?

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I'm running a 3.54 ratio in the rear to come somewhat close to the 3.36 front. As soon as desert season is over, I'm going to be pulling out my front diff and seeing what can be done for gears in that.

Here's what really happens. The truck will run without FRONT abs sensors, you will have all the dash lights, but the speedo will work and it wont gointo limp mode. If the REAR sensors are disconnected, the speedo wont work and after about 1 minute of drive time, the throttle will pulse and the truck will be undrivable (although, if you shift manually for the first few minutes, this wont happen, or if the truck goes into limp mode, you can shift into nuetral and give a couple revs, then pop it back into gear and all is fine, still no speedo though). So after i installed my 9" i wired the rear sensors to the front wheels, and although I had a lot of lights, the truck ran great and the speedo worked and no engine codes. After about a year and one really rough desert trip, the sensors stopped reading, so now I drive it as if it had no ABS sensors at all. I have the tone rings from my stock axle, and I jsut need to machine the adaptor to mount them ( i will use just one rear tone ring and mount both sensors to it). but the truck functions well enough and im lazy, so iIm taking my sweet time. I will also plumb around the ABS system as I HATE it. So ABS is not a concern, but getting the CEL turned off is