How likely is it for me to break TC?

[HLxDrummer]

Basically BPU power, summer tires, very slight weight reduction, 25 spline, 300M shaft, Megan coilovers, Nelson's brace, probably 3SX poly mounts, and probably a XTD stage 3 (6 puck) clutch. Would I be able to launch off the two step without worry?

My goal is to be able to drive the car hard and enjoy it without breaking stuff constantly. I will be putting a new trans/300M shaft/TC in and I will be pissed if I break this brand new TC lol! At the same time I can't swing a billet case and the cost of rebuilding it. If there is a high chance of it breaking I just won't launch for now I guess.

[KeithMac]

I've had 200 launches on my old 18 spline with no problems, looked great when it came out as well.

Poly/ Solid engine mounts will help you out a lot.

Don't think you can ever launch with no worries though ;).

[DK77]

If you want a little extra insurance get a brace for it. I may have one of the full ones from Maximal that I'm selling if my other buyer drops out. If not from me, they aren't that expensive new.

[HLxDrummer]

I actually have Nelson's TC brace/cage but thanks!

[DK77]

At BPU levels with my cage I launched all the time with no problems. You'll be fine.

[HLxDrummer]

So is the general consensus that it will be fine? Just wondering if I should save for a while and get the housings before I install everything. I know once I put it all in I'm going to be launching off the two step like its my job.

[mb3000]

Maybe grab a spare just in case?

[anyonebutme]

If your definition of launching involves dumping the clutch, then consider your Xfer case a consumable.

[HLxDrummer]

Maybe grab a spare just in case?

Well I have a functioning TC in my car now and a brand new one at home I am going to install. So I will have a spare but I will be pissed if I bust my brand new case lol


If your definition of launching involves dumping the clutch, then consider your Xfer case a consumable.

I don't plan to dump it (or purpose), but I want to get in some good, hard launches and I am inexperienced so it may happen as I learn by accident. If a quick slip off the two step will make TCs consumable at BPU or 13T power levels, then I will get the billet case.

[DK77]

I had 2-step as well. It will actually help you avoid dumping the clutch too hard because you only have to worry about modulating the clutch pedal. If you're that worried about it and you have the cash for a billet case you can do that to be SURE, but you should be fine without it. At worst, with a brace, if it does break it will just crack and not explode taking your transmission with it.

Edit: when I launched I always tried to chirp the tires (which some may say that's launching too hard), but they were just cheap 245mm Toyo all seasons so they didn't have maximum traction.

[Maximal]

BPU and a cage typically means you're fine.

[Bleu]

Since this thread is here. I just want to verify that I should avoid launching my car with 285's, 18-spline, and 13Ts. I feel like its an easy question, but might as well ask.

And then, how much does a TC brace really help?

[mb3000]

^I wouldn't.

[Ange]

I wouldn't. These cars are Heavy...

Evo 1000lbs lighter than your 3s destroying a TC

http://www.youtube.com/watch?v=VGm2eczYyGA

[DK77]

With a stock 18 spline your weak point is the output shaft itself. If you want an upgrade for the transfer case, get this one http://www.3sgto.org/parts-sale/12252-billet-tc-stock-tc-300m-output-shaft-stock-welded-headers.html Add a 300M output shaft to that and you should be able to launch relatively worry free.

[mehrshadvr4]

I had 25 spline with nelson cage and 16gs 2 step at 3500rpm . Never broke output shaft or tc.

[Bleu]

Thanks for the advice guys. I planned on getting the 300m and a large brace for the car before I tried to do any hard launches. I'm glad ya'll helped me verify

[Maximal]

Just to let you guys know we have all our brackets on sale as far of our Black Friday deals: 3000GT Stealth Drivetrain Parts - Maximal Performance - Mitsubishi Performance Parts (http://www.maximalperformance.com/store/drivetrain.html)

[EvanH]

If you're really concerned, I am selling an unused stainless front and mid housing.

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[Checkered vr4]

I've broken about 5 t-case housings with dr500's and using an RPS Max 6 puck clutch. I used to always break the output shafts until I put a mark Williams output shaft in, then the t-cases started cracking. I even broke an18 spline Mark Williams shaft! I haven't had a single problem since I went to the Mark Williams 25 spline and stainless steel transfer case housing. Most of those were broken by launching the car from a stop at 5,000 rpm and dumping the clutch hard.

[box]

Puck clutches are far too hard on the drivetrain when launching in my experience, and with BPU I doubt you really need one. A stock clutch plate and heavy duty pressure plate would probably be more ideal, drives and launches like stock....you just end up with a muscly left leg :p

As for the original question - depends how rough you are with it. But something's gotta give.