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Old January 14th, 2010, 09:56 AM   #281
RDK_YJ88
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What will the differences in weight be? Any concerns on that?
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Old January 14th, 2010, 10:04 AM   #282
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Havent really even thought of the weight. I figure it's probably about 50 lbs heavier but I'll try to remember to weigh them when I have them out.

I'm not concerned with any weight difference because I've expanded te gearing so much that it's a moot point and the 6 speed will be faster all over, even if it's heavier.

6L80:
MYC
6L80
4.027
2.364
1.532
1.152
0.852
0.667

TH400:
HM-400
2.480
1.480
1.000

4L60/65/70
M30
3.059
1.625
1.000
0.696

4L80/85
MT1
2.482
1.482
1.000
0.750

It was really a simple decision for me.
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Old January 14th, 2010, 10:29 AM   #283
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[enterprise car rental voice] "damn, sounds expensive!" [/enterprise car rental voice]

Looks like a nice assortment of gears though "Can't be afraid to cut it apart to get it the way you want it".........I seem to remember you telling me that
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Old January 14th, 2010, 10:35 AM   #284
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Any pics on the progress?
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Old January 14th, 2010, 10:43 AM   #285
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6L80 would be sweet. Its got awesome gearing and is supposed to be safe to 700+ horsepower in stock form, from what I read. I know they put them in the truck starting in 07. Did they use them in the Corvette prior to that? Are very many people using them in "not OEM application" type things like your buggy yet? I'm guessing the aftermarket support for that trans has go to be very little.

Good luck with your new direction.
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Old January 14th, 2010, 11:08 AM   #286
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Originally Posted by jmdzuk View Post
I realy am sorry.After R&V with your homo sticker pass around .....I thought it was a joke but your guys really are gay.Hmm {shrug}
to each is his own I supose
There are confirmed gay people that frequent this site, no joke. They don't come to the party functions though usually, unless they told you you would not know it.


No I am not one of them.


I can't wait to see this done, especially with paddle shifters if you do it
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Old January 14th, 2010, 11:28 AM   #287
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Looks great Bryce... Can't wait to see it done...
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Old January 14th, 2010, 11:52 AM   #288
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Quote:
Originally Posted by feva4u View Post
I seem to remember you telling me that
ya, it happens.... I just seem to get carried away too much. I'm going to go buy a junk th400 to run if I have to cut too much of it up and It'll just get put off until I have more motivation. I sure hope it doesnt take much!

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Originally Posted by knaffie View Post
6L80 would be sweet. Its got awesome gearing and is supposed to be safe to 700+ horsepower in stock form, from what I read. I know they put them in the truck starting in 07. Did they use them in the Corvette prior to that? Are very many people using them in "not OEM application" type things like your buggy yet? I'm guessing the aftermarket support for that trans has go to be very little.

Good luck with your new direction.
Thanks, I hope it pays off, functionality wise.

The trans I got is out of a 2007 Yukon Denali with about 36k on it. The earliest I think they used them is 2006 in the corvette but the problem with a corvette application is they use a torque tube and mount the trans at the back of the vehicle, you'd need a new valve body to run a corvette trans in a standard application. I've seen them work well (aside from some lazy shifts due to calibration) in 600rwhp cars so my off road use should be pretty tame in comparison. I'm not sure about aftermarket support but I know there isnt much outside of clutches and torque converters. I'm not sure anything else is needed though?


I'm looking forward to making the tap shift controls. On the steering column I'm thinking either one side, push-pull, two sides, pull, one up one down. Or doing a central mounted "stick" like an IRL car. I'm thinking the steering wheel single side gets my main focus for now, the downside is that it needs to be mounted on the column because of the full hydro and steering wheel disconnect.
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Old January 14th, 2010, 02:58 PM   #289
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Black oxide is not all that great of a rust inhibitor unless you keep it oiled. Once the oil is off it will start to rust quickly.
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Old January 14th, 2010, 03:33 PM   #290
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I'm going to spray them with a rust inhibitor like cosmolene but there isnt much else I can do. What can you put on something that is going to see constant cycling and wont come off? Any more ideas?
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Old January 14th, 2010, 04:09 PM   #291
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Quote:
Originally Posted by whiterhino View Post
Black oxide is not all that great of a rust inhibitor unless you keep it oiled. Once the oil is off it will start to rust quickly.
All I know of black oxide is bolts, and they rust pretty fast and hold paint like poo. Superior black oxides their shafts and they look nice for a while though.

If you want to try paint, there are flex additives out there. Hot dip galvanizing?
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Old January 14th, 2010, 06:54 PM   #292
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Cosmoline will collect dirt as if you coated them with grease. We've struggled for years on precision parts that we ship that can't be painted. We have yet to find a coating that works very well. With that said, why not paint them outside of the seal area? Inside is sealed and greased, outside is painted.
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Old January 14th, 2010, 09:27 PM   #293
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Because paint will flake off in a year because of the wind up the shafts have. Back to the never ending cycle...

They are being acid dipped to open the pores and then coated. If you look at Mac's giveaway thread on pirate you can see how dark and deep the coloring is. Compare that to the Spidertrax coating that is almost grey and his coating should do fine. I don't mind the shafts being covered in dirt, as long as they aren't rusting underneath.

Spidertrax ships them raw after media blasting, just about anything is better than the way they come....
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Old January 16th, 2010, 08:15 PM   #294
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This one is for you Scooter Built. Very clean.

Last edited by benny87; November 14th, 2013 at 10:20 AM.
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Old January 16th, 2010, 08:32 PM   #295
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Thanks Ben!!!

I got the trans in pretty rough shape, it looke like they rolled it around a muddy field for an hour. I washed it and alumabrited the case. The left side has just been wire wheeled and the corners haven't been cleaned up yet with a "tootsie roll" so that's the reason the corners still look dark. The right side is pretty much raw aluminum after the alumabrite muratic acid and a scrub brush.
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Old February 1st, 2010, 06:56 PM   #296
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almost finished adapter...

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Old February 1st, 2010, 06:58 PM   #297
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bryce you do awsome work

Last edited by roger; February 1st, 2010 at 07:10 PM.
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Old February 1st, 2010, 08:05 PM   #298
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Thanks Roger!

I couldnt have done it without some help though, Ridin Dirty supplied me with the material, Benny87 CNC milled the 2 plates that I designed and I turned the center tube at my previous employer, brought it all home and TIG'd it up. I still need to mill the plates flat and get them to exactly 2.500" thick, it's between 2.585" and 2.542" thick right now so I should get just enough clean up on the surfaces and then I'll drill the correct patterns once I get the bolt pattern on the front face of the new atlas confirmed.

Perfect gearing is only a R&P swap away!

I got the radiator mount finished, I'm pretty happy with how simple and nifty the mounting is. The fuel cell mount is almost welded up, might finish it up tonight and I'm only a couple tubes and a trans pan away from being back to where I was before the swap. As soon as the national back order on G8 6L80 trans pans and filters gets filled I'll be able to mount the drivetrain again!

Does anyone have connections to get me some G8 trans parts? I have 2 part numbers that I need. I have them ordered but I'm not sure when they'll ever come in.
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Old February 2nd, 2010, 08:23 AM   #299
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Quote:
Originally Posted by benny87 View Post
This one is for you Scooter Built. Very clean.
Skooter does like the shiney what kind of wire wheel are you using, what size?
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Old February 2nd, 2010, 08:41 AM   #300
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I use something like this because it gets in the cracks better than the others.



You can use just about any of them though, they all do the same thing.

The attached picture is what it looked like when I got it.
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