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Old 03-14-2018, 06:20 PM   #126 (permalink)
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406 much appreciated on responding to this thread with actual tech. Anything mechanical can be broken. Any company that wants to learn where the weak links are has my respect.
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Old 03-14-2018, 07:51 PM   #127 (permalink)
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I have so much more respect for vendors that don't bash other vendors products. When you have a great product, there is no need to anyway. Atlas, hero, scs, ord, twf all are bad ass cases. Each has its place.
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Old 03-14-2018, 08:01 PM   #128 (permalink)
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Would it be possible to put an ORD Magnum in front of a 3 speed Hero? That would be 6 different ratios. And about the same length as an Atlas 4 speed?
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Old 03-14-2018, 08:23 PM   #129 (permalink)
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Would it be possible to put an ORD Magnum in front of a 3 speed Hero? That would be 6 different ratios. And about the same length as an Atlas 4 speed?
Even if it was possible... what reason would you need for that many choices? Compounded with the gears of the transmission, you could, theoretically, have a 36 forward gears to choose from.

And..... it'd be pretty damn spendy too.
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Old 03-14-2018, 08:26 PM   #130 (permalink)
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Road, fast trails, slow trails, snow, race, sand.
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Old 03-14-2018, 08:42 PM   #131 (permalink)
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Road, fast trails, slow trails, snow, race, sand.
An adjustable ratio SCS wouldn't accomplish the same thing?
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Old 03-14-2018, 08:47 PM   #132 (permalink)
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An adjustable ratio SCS wouldn't accomplish the same thing?
Shift on the fly vs bolt and unbolt tcase guts.
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Old 03-14-2018, 10:47 PM   #133 (permalink)
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Would it be possible to put an ORD Magnum in front of a 3 speed Hero? That would be 6 different ratios. And about the same length as an Atlas 4 speed?
All the round 6 stuff is very adaptable.

Would be nice to have in a gutless Toyota pretty sure a motor swap would be many times cheaper.
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Old 03-14-2018, 11:16 PM   #134 (permalink)
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I meant to ask ... Is there something different about the Magnum that makes it part of this discussion over all the other planetary range boxes of the same or similar ratios out there?
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Old 03-15-2018, 06:13 AM   #135 (permalink)
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I meant to ask ... Is there something different about the Magnum that makes it part of this discussion over all the other planetary range boxes of the same or similar ratios out there?
Supposedly the strongest main shaft of all the crawl boxes.
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Old 03-15-2018, 08:40 AM   #136 (permalink)
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to me it would make more sense to move high torgue to axel shafts and not to x case /driveshaft/pininon by havin 5-6 in diffs

having like ord box 2.72 in front of your case makes rest of the drive line just 2.72 times weaker

would help torgue roll too
You gotta make the gearing the most optimum where it's going to race at. 6.20's aren't quite low enough for the short course stuff. Even if it was an option pinion RPM becomes an enormous problem, slinging oil out of the bearings, bearings get hot diffs fail. Splitting the reduction over multiple spots keep any one component from spinning faster than it can take for an extended period of time. For the short course racing the 4531 car will be ran in 1.4:1 with 5.40 axle gears, aka equivalent of 7.56:1 R&P.

On my 4513 car I'm entertaining going with 1.5:1 with 5.38's which is equivalent to 8.07:1 axle gears. I've ran it in my gear calculator and both cars can definitely run the MPH we want for the duration of the event geared like that.

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Would it be possible to put an ORD Magnum in front of a 3 speed Hero? That would be 6 different ratios. And about the same length as an Atlas 4 speed?
It would bolt together no problem. Not sure why anyone would want that many options but you certainly could. It would be longer than an Atlas 4 speed FYI. The 3 speed hero is longer than a two speed atlas by 2 or 3 inches. I've never needed lower than a 4.3:1 low range with auto trans rigs. I have a friend with a manual trans 1 ton TJ with a 10:1 4 speed atlas that seems to like it pretty well. We have a 5.4:1 atlas 4 speed and it was all wrong for the ultra4 car, 2.0 - 2.72 - 5.4. Both low's are to low to run in as a race range, not quite low enough to be low's when needed but the 5.4 range is to low for the rocks when racing.

I think about the perfect gearing is the 1.2 to 1.4 range for the first low 3 to 4 range for the final low in conjunction with 5.38 - 5.43 diff gears.
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Old 03-15-2018, 09:35 AM   #137 (permalink)
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The 3 speed hero is longer than a two speed atlas by 2 or 3 inches.
2 Speed Atlas with a yoke measurement is 13.80".




3 Speed Hero with a flange is 12.514". I just measured the difference from flange to yoke and it is 1.25". So the 3 Speed Hero with yoke is 13.764".

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Old 03-15-2018, 10:14 AM   #138 (permalink)
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2 Speed Atlas with a yoke measurement is 13.80".

3 Speed Hero with a flange is 12.514". I just measured the difference from flange to yoke and it is 1.25". So the 3 Speed Hero with yoke is 13.764".
To be fair, the atlas is offered with non speedo tail housing that is 2" shorter.

It's still impressive that the hero can pack a 3rd speed and more beef in almost the same length.
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Old 03-15-2018, 10:43 AM   #139 (permalink)
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2 Speed Atlas with a yoke measurement is 13.80".
3 Speed Hero with a flange is 12.514". I just measured the difference from flange to yoke and it is 1.25". So the 3 Speed Hero with yoke is 13.764".
I’ve already given my positive testimonial about your amazing product.

We had to modify the vehicle by inches in a couple places to accommodate the larger case. The rear drive shaft had to be shortened while the front remained the same. Edit to ad that, As was pointed out already, we were already running a shorty atlas that was shorter than the version you pictured.

In the grand scale of conversions I’d say it was very easy. Very worth every penny. But it does definitely take more space in 3 directions than the 2 speed race case it replaced. It does however have a slimmer center of shaft to bottom of case than an atlas.
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Old 03-15-2018, 11:47 AM   #140 (permalink)
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To be fair, the atlas is offered with non speedo tail housing that is 2" shorter.

It's still impressive that the hero can pack a 3rd speed and more beef in almost the same length.
10-4

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Iíve already given my positive testimonial about your amazing product.

We had to modify the vehicle by inches in a couple places to accommodate the larger case. The rear drive shaft had to be shortened while the front remained the same. Edit to ad that, As was pointed out already, we were already running a shorty atlas that was shorter than the version you pictured.

In the grand scale of conversions Iíd say it was very easy. Very worth every penny. But it does definitely take more space in 3 directions than the 2 speed race case it replaced. It does however have a slimmer center of shaft to bottom of case than an atlas.
I really like the tech you bring to the table and your desire to help others. I've followed along with you on Facebook and I wish more people were like you. I hope you didn't think I was taking a dig at you. I was hoping to search for the truth so I can help people when they call in. It has been awhile since I had my hands on an Atlas. I took my 2 speed Atlas with VSS out of my Jeep and put a 3 speed in its place and it was the same thing. I didn't realize they had a shorter non VSS version.

It is important to me to give people facts so they can figure out what is correct for them. I just don't want to tell people wrong info.
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Old 03-15-2018, 02:46 PM   #141 (permalink)
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We had the short Atlas 2 speed and the new Trail Worthy Fab 3 speed case is 1-3/4 inches longer to the rear yolk and 1/4 inch longer to the front yolk with the 1350 yolks on both cases. Front driveline soaked up the 1/4 inch shorter difference but the rear was shortened 1-3/4 inches.
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Old 03-15-2018, 04:38 PM   #142 (permalink)
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We had the short Atlas 2 speed and the new Trail Worthy Fab 3 speed case is 1-3/4 inches longer to the rear yolk and 1/4 inch longer to the front yolk with the 1350 yolks on both cases. Front driveline soaked up the 1/4 inch shorter difference but the rear was shortened 1-3/4 inches.
I had about the exact same results. I shorten my front drive shaft 1/2" and took 2" out of the rear.
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Old 03-22-2018, 02:01 PM   #143 (permalink)
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We had to tear a friends hero apart at koh this year. It had 250 miles at fallon and maybe 30 miles prerunning koh in a 4400 rig. We ran a lap on the qualifying course and didn't see him on the second lap we ran. Hes running a coyote motor and decided to try a lap in low for more rpms and it wouldnt go. Pulled it out and tore it apart to find the fork bent. And bent it back in the vice way to easy. Welded a couple gussets on before we put it back together.
Then on race day in 4800 we were in Wrecking ball and some guys were on the Rev limiter barely moving. Talked to them real quick, same deal. Had it in low range sitting in the lineup. Tried to get it into high range pulling out to the start and no dice. Ran the whole first lap in low range. Got it into high in main pit and were never able to get back into low.
we had a hell of time with ours shifting from low-high or opposite , just recently we had the front shifter pop out of gear and something in the front is grenaded not super stoked on this we are pulling it out right now but from my understanding is if you take it apart at all the warranty is void .
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Old 03-22-2018, 02:11 PM   #144 (permalink)
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we had a hell of time with ours shifting from low-high or opposite , just recently we had the front shifter pop out of gear and something in the front is grenaded not super stoked on this we are pulling it out right now but from my understanding is if you take it apart at all the warranty is void .
Interesting........

The plot thickens.
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Old 03-23-2018, 02:47 PM   #145 (permalink)
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Interesting........

The plot thickens.
Indeed....
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Old 03-18-2019, 04:57 PM   #146 (permalink)
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Do either TWF or Advance offer airshifers for their cases. I’m thinking about gearing options but I know I can’t shift a manual stick atlas. For reference, I can’t shift my 231 due to a combination of grip and tricep strength.

Edit: I have never shifted a cable shifted case. I dunno what if any difference it would make.
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Old 03-18-2019, 05:12 PM   #147 (permalink)
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Do either TWF or Advance offer airshifers for their cases. Iím thinking about gearing options but I know I canít shift a manual stick atlas. For reference, I canít shift my 231 due to a combination of grip and tricep strength.

Edit: I have never shifted a cable shifted case. I dunno what if any difference it would make.
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Old 03-18-2019, 06:10 PM   #148 (permalink)
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Dammit. Oh well.

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Old 03-18-2019, 10:10 PM   #149 (permalink)
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Do either TWF or Advance offer airshifers for their cases. Iím thinking about gearing options but I know I canít shift a manual stick atlas. For reference, I canít shift my 231 due to a combination of grip and tricep strength.

Edit: I have never shifted a cable shifted case. I dunno what if any difference it would make.
My hero is air shifted, but I made my own setup using parts listed in patooyee's thread on here about air shifters
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Old 03-19-2019, 08:20 AM   #150 (permalink)
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Do either TWF or Advance offer airshifers for their cases. Iím thinking about gearing options but I know I canít shift a manual stick atlas. For reference, I canít shift my 231 due to a combination of grip and tricep strength.

Edit: I have never shifted a cable shifted case. I dunno what if any difference it would make.
There was a thread where a guy had a white 5.3 nv4500 4Runner with air shifters on his doubler. 241/205 maybe? I can find it later.
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