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06-07-2006, 12:31 PM
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True Trac and Gears
I have read some posts about you guys puting a true trac in your trucks, but I do not see anything about gears. Why? You guys not only have to deal with one wheel wonders, but aren't your gears pretty weak too?
I was just curious as to why you guys to not swap out gears when you get the locker installed. 2WD guys that is. |
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06-07-2006, 12:47 PM
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Re: True Trac and Gears
The 'gear' that might be weak is the spider gear. They are removed when the limited slip is installed. I don't think the ring and pinion are a problem. The TruTrac is a limited slip, not a 'locker'. Now go back into your Hemi hole.
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06-07-2006, 12:48 PM
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Re: True Trac and Gears
Due to the high ratio of the ring gear the teeth are huge, no issues. Additionally noone makes gears for the Titan D44.
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Rebar Wrangler  Its a truck with bigger shocks and stuff. |
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06-07-2006, 12:51 PM
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Re: True Trac and Gears
As kartman said, nobody makes gears for the D44. It's 32-spline, not the traditional 30. Our gears with the Tow or Off-Road package is equivalent to a 4.10 on a 4-spd, so they're really not that weak.
-Cyrus |
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06-07-2006, 12:58 PM
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Re: True Trac and Gears
But if I have a non big tow truck, I can still get the true trac, correct? I'm pretty sure I can, since the true trac is only the differential and not the gears...
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06-07-2006, 02:58 PM
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Re: True Trac and Gears
Speaking of weak gears. Didn't Blackin (Hemi owner) scatter his 4.56's.
There is a thread on here about that.
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06-07-2006, 03:00 PM
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Re: True Trac and Gears
Quote:
I was referring to your ratio, but I guess I need to spell it out for you. A lot of the Hemi guys are putting in 4.56 gears. What is your ratio from the factory? 3.5 something? |
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06-07-2006, 03:04 PM
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Re: True Trac and Gears
No one really has answered the question yet.
The Titan comes with two gear sets and they both are pretty tall gears. The Big Tow/Off road Titan comes with a 3.36 rear gear and the other Titans come with a 2.96 rear gear. At this time....no one makes a gear replacement. Tru Trac does now gives us a True LSDifferential. Some of us have a Nissan ABLS...Active Brake Limited Slip....where it sends brake to the slipping tire transferring some of the power to the other side. Seems to work ok but won't EVER replace a clutch inside the differential locking on slip. Now.....don't misunderstand out rear gear ratio. We have low geared 5 speed transmissions. Our final gear drive equates as follows......the 3.36 Titan is similar to a final gear drive of a 4.10 Domestic Truck. And the 2.96 Titan a 3.73 Domestic truck.
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06-07-2006, 03:20 PM
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Re: True Trac and Gears
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Can you post the calculations for your transmission? How do you come the conclusion that your 5 speed 3.36 is the same as a 4.10 domestic truck. I have a 5 speed in my ram with 3.92. So how is your transmission geared so differently? Do you have the ratio's per gear? |
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06-07-2006, 03:26 PM
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Re: True Trac and Gears
Its because nissan puts the lower gears in the tranny allowing a higher ratio in the diff for better and much stronger teeth.
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06-07-2006, 03:28 PM
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Re: True Trac and Gears
Quote:
Titan gear ratios: 1st: 3.827 x 3.357 rear axle = 12.85 2nd: 2.368 x 3.357 rear axle = 7.95 3rd: 1.52 x 3.357 rear axle = 5.10 4th: 1 x 3.357 rear axle = 3.36 5th: .834 x 3.357 rear axle = 2.80 Dodge 545RFE ratios: 1st: 3 x 3.92 rear axle = 11.76 2nd: 1.67 x 3.92 rear axle = 6.55 3rd: 1 x 3.92 rear axle = 3.92 4th: .75 x 3.92 rear axle = 2.94 5th: .67 x 3.92 rear axle = 2.63 The question is why does the Dodge come from the factory with downhill gearing?
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06-07-2006, 03:29 PM
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Re: True Trac and Gears
Quote:
http://media.putfile.com/Titan-0-85
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06-07-2006, 03:30 PM
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Re: True Trac and Gears
It's not my conclusion. It's Nissans Statement. I will see if I can find the ratios of each gear on the Titan.
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06-07-2006, 05:54 PM
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Re: True Trac and Gears
That's a pretty impressive tranny you guys have. Would be nice if mine was that stout. I guess that is a good question, why does Dodge make their tranny's so crappy? If we had the same tranny gearing as you, game over.
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