T350HD

Questions about axles, transmissions, differentials, pretty much anything that connects the engine to the wheels, this is the place for those questions.
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NGCnoproblem
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T350HD

Post by NGCnoproblem » Thu Jun 28, 2012 2:55 pm

I was reading some threads and they talked about the t350hd transaxle. What transmission is that? And is that the best to go with for handling a lot of HP and torque? How much can my stock t350 handle with a clutch upgrade?

As always thanks!
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r/tguy02
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Post by r/tguy02 » Thu Jun 28, 2012 3:10 pm

you already have one :lol: all transmissions after 2000 are the t-350hd
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Post by occasional demons » Thu Jun 28, 2012 3:33 pm

Info on power capacity:
a23dranger wrote:
*Borrowed from drakito and other sources below

The 1gn uses 8620 steel gears while a 2gn uses stronger 9310 steel gears. The spline count and ring gear tooth count are different from gen 1 to gen 2. So it is impossible to use a 1st gen ring gear with a 2nd gen output shaft or vice versa.



1st trans have a fail point close to 300hp
2gn trans have a fail point close to 500hp

http://www.neons.org/forumdodge/trans.htm
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Post by NGCnoproblem » Thu Jun 28, 2012 3:37 pm

Awesome. So what about an lsd? What will that help with exactly
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Post by occasional demons » Thu Jun 28, 2012 4:02 pm

It won't help how much power the MTX will handle, and could actually make things break faster, because it will help keep the power distributed to both axles/tires.

So you will hook up better. thus putting more power to the tires, and what they can get to the pavement. That might be more than the components can handle.

The most common thing to break is an axle shaft, so if you don't upgrade the hell out of the axles, the MTX should be safe. :lol:

Of course common sense goes a long ways here, as in don't do a clutch drop at every single take off. Putting the max power to it at speed has a much lower chance of breaking things than from a dead stop/slower speeds.

Just try to keep the tires as the first thing to give, and the axle shafts as the next thing. Both are easier to replace than the MTX.
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Seriously people, this is 2019 not 1920
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Post by NGCnoproblem » Thu Jun 28, 2012 4:09 pm

Ok cool. Is there axle upgrades? Is this somethin that should be considered doing? And is there ways to build up the internal of the transaxle?
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Post by Fuzzyneon » Thu Jun 28, 2012 4:09 pm

NGCnoproblem wrote:Awesome. So what about an lsd? What will that help with exactly
it is a drug it helps you hallucionate

but seriously

it helps transfer power to BOTH front wheels instead of the one wheel peels we get it will help traction it is not a save all though.
by putting power down and more traction you can break things easier. it is also expensive for a solid lsd setup

NGCnoproblem wrote:Ok cool. Is there axle upgrades? Is this somethin that should be considered doing? And is there ways to build up the internal of the transaxle?
you

you can go crazy and cryo treat your gears but to be honost its not needed i have no idea your power goals. They do sell beefier axles alot of the time wheel hop will kill your axles not so much power going "through" them
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Post by NGCnoproblem » Thu Jun 28, 2012 4:42 pm

Awesome thanks for the help
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Post by chipdogg » Thu Jun 28, 2012 9:59 pm

LSDs make you hook up 100000x better. I put in a quaiffe last year and was amazed at how awesome it was. When you install one, you'll want to get new differential bearings and races, and re-shim the race in the bellhousing to make sure the bearings have proper preload.

There are also oiling modifications to be done to the trans that can help it live longer. This requires disassembly of the transmission to get to the oiling holes, which tend to plug up in higher mileage transmissions that never had an oil change. You'd be amazed at how many I've taken apart that were completely clogged in the input shaft.

Clogged holes prevent oil from getting to the needle bearings under the gears and this can happen:

Image

Perma-4th gear!
Last edited by chipdogg on Thu Jun 28, 2012 10:01 pm, edited 1 time in total.
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Post by NGCnoproblem » Thu Jun 28, 2012 10:01 pm

I hope mine aren't clogged lol... I've put 45000 miles on it without changing it :(
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Post by chipdogg » Thu Jun 28, 2012 10:03 pm

Send it here and I can tear it apart, install LSD (quaiffe or a modded OBX works equally as well), and modify the oiling holes. Also replace anything worn.
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Post by NGCnoproblem » Fri Jun 29, 2012 2:56 am

How much does that cost
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Post by chipdogg » Fri Jun 29, 2012 6:33 am

NGCnoproblem wrote:How much does that cost
Depends on what is worn. Generally about $400-500 including return shipping/parts for just a differential install (setting up new bearings as well). I also power wash, media blast, acid etch, and clear coat the case so it looks like this when done:

Image

Image

Image

Image

Here is how the oiling holes are modified:

Image

All the seals will be replaced, including the input shaft seal, which is part of an assembly that includes the snout for the throwout bearing to ride on:

Image
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Post by Fuzzyneon » Fri Jun 29, 2012 9:04 am

That is some beautiful work i will keep your name in mind for future projects wow just awesome
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Post by NGCnoproblem » Fri Jun 29, 2012 10:38 am

Very cool man! Well when I have the money ill get ahold of ya
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Post by chipdogg » Fri Jun 29, 2012 12:09 pm

Fuzzyneon wrote:That is some beautiful work i will keep your name in mind for future projects wow just awesome
Thanks. Takes a good day to get the case cleaned up like that. Usually start out covered in oily sludge and all oxidized. I spent lots of money on all the specialty tools to work on them. Not cheap lol.
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Post by Fuzzyneon » Fri Jun 29, 2012 1:31 pm

chipdogg wrote:
Fuzzyneon wrote:That is some beautiful work i will keep your name in mind for future projects wow just awesome
Thanks. Takes a good day to get the case cleaned up like that. Usually start out covered in oily sludge and all oxidized. I spent lots of money on all the specialty tools to work on them. Not cheap lol.
yeah what your charging is a deal i know it isnt easy to clean up a trans like that let alone do the lsd install and i know its time consuming
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Post by NGCnoproblem » Fri Jun 29, 2012 5:49 pm

If I can ever afford a 1000 dollar dif ill send it to u lol
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Post by chipdogg » Fri Jun 29, 2012 7:41 pm

Obx. Ed and I modify new ones. Should be getting another batch through Modern. $480 is target price.
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Post by NGCnoproblem » Fri Jun 29, 2012 8:56 pm

Is that including all the other stuff u said u do or on top of that
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Post by chipdogg » Sat Jun 30, 2012 1:11 am

480 is just for a new obx lsd ready to drop in.
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Post by NGCnoproblem » Sat Jun 30, 2012 1:18 am

That is an awesome price
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Post by chipdogg » Sat Jun 30, 2012 9:38 am

Yeah, Modern is looking into getting a batch of 20 or so. As long as OBX didn't jack up their price, they should be available in the next 1-2 months at somewhere near $480 with new bearings and speedo gear. We have to modify them first so axle clips release, speedo gear fits, and axles slide in.
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Post by NGCnoproblem » Tue Feb 05, 2013 12:05 am

Might as well ask on this thread. Opinions on best trans to run for high power build?
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Post by Canada » Tue Feb 05, 2013 8:53 pm

I'm currently running a Tim Kish spool in a completely stock 95 3.55 trans, putting down about 400tq to the wheels, DSS stage 5 axles. All good thus far... But we cracked the last case lol.

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Post by chipdogg » Tue Feb 05, 2013 9:00 pm

Part of that is from running the old style case with the thinner rear cover. No ribs on bottom of case, and the cover is only 60% as thick as the newer ones.
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Post by Canada » Wed Feb 06, 2013 7:23 am

Yeah, Thats what I had figured as well. I had a hell ofa time trying to find a newer 3.55 and I was gonna convert over to cable bellhousing, but couldn't find one in my price range. I love my spool, except when I have to push the car in anything other than a perfectly straight line lol.

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Post by NGCnoproblem » Wed Feb 06, 2013 4:08 pm

Alright well wats with everyone on srt forums saying t850s suck and t350s sucking even more lol. I just want a reliable tranny. Don't wanna be breaking all the time. I'm also just curious lol
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Post by r/tguy02 » Wed Feb 06, 2013 4:10 pm

in stock form honestly the t350 is more reliable, both are great though once you take care of their flaws.
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Post by chipdogg » Wed Feb 06, 2013 4:48 pm

NGCnoproblem wrote:srt forums
That right there is your problem.
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