awd question

ok my friend wants to know about this. he has a 1997 awd turbo eclipse 5spd. his question is if he is moding it up (to like in the 650+ range) what would he need to replace in his transfer case? does he need to at all will it hold up? another friend had a eclipse like it and he had it for 9 months and it spent 6 months in the transmission shop so he sold it. are the transfer cases weak? or will it hold? thanks guys

ok my friend wants to know about this. he has a 1997 awd turbo eclipse 5spd. his question is if he is moding it up (to like in the 650+ range) what would he need to replace in his transfer case? does he need to at all will it hold up? another friend had a eclipse like it and he had it for 9 months and it spent 6 months in the transmission shop so he sold it. are the transfer cases weak? or will it hold? thanks guys

If you try to push 650hp out of the motor without doing a complete overhaul of the engine, the tranny is going to be the least of his worries!

If he doesn't know already, then his goal 650 hp is out of the question ;)

oh man...650 hp at the wheels is alot. He's goin to have to think about the whole car, the engine internals, externals, TRANNY, wheels, suspension, himself in that crazy beast, and the car. thats crazy!

I have a vid of a 715 wheel hp 1g eclipse tuned by AMS. I dont know what that has to do with anything but you could also ask over at Racing Knowledge Online, DSMTalk, DSMTuners, DSMetc, and others for more input. But I think there are some members on here who could help you. And do a search if you haven't.

ok ok he already has everything picked out for his car. he is doing internals tranny everything. all he needs to know is if the transfercase will hold up to that abuse

transfor case will absolutly not hold up. what does he have picked out.

he is going to jackson automovie to get a 2.3l stroker kit and getting the block cleaned,sleved and preped for the stroker. race prep heads duel valve springs and the works. for thr transmission he is going to g-force to get there six speed that can handle 900 hp. get some kazz lsd's, a jackson auto intake manifold with 70mm throttle body, hks intercooler, and a giant turbo. but dont know how big. and a really tight suspention setup for road corces. this thing will be sweet. so the awd case wont hold up to this abuse? were can he find a awd transfer case that can?

ok what if he gets a carbon fiber driveshaft,g-force racing transmission with clutch (6-spd), race axles. will it pick up the slack of a awd case or will it fail bad. need ideas bad. if i need awd transfer case were do i get one that can handle that kind of abuse? thanks

I hope your friend has some DEEP pockets, cause this will cost EASILY $15k :o

hey newb on this Info. Whats the Transfer Case? I'm guessing its the thing that holds the AWD all together..? LMAO, yeah..laugh at me, but what is it?

the transfer case bolts onto the transmission and is where the driveshaft to the back comes out.

check out shepracing.com john sheppard's car runs 667 hp I think you can deffinately get the answer from them.

check out shepracing.com john sheppard's car runs 667 hp I think you can deffinately get the answer from them.


Uh, he is well over 667 hp :)

If he doesn't know already, then his goal 650 hp is out of the question ;)

This is the answer. No speculation needed on anything else. If the guy doesn't know what to do about a transfer case, he sure as hell isn't going to be making anywhere near 600hp.

Secondly, why go to jackson for a stroker kit? What in the hell is a g-force tranny and why would anyone run that over a built stock 5 speed? For the record shep is running 800+whp.

If you actually have a friend that has 20 grand lying around, have him call a real shop and ask what to do. Don't bring up a g-force transmission or 600hp or they will laugh at you. Say you have too much money and want to build a fast dsm. RRE, SBR, magnus come to mind for shops.

Just to provide the info, since I have it, the tcase will hold up. The drishaft rarely fails (I've never heard of it), the rear end rarely fails (never heard of it, just normal wear). If he runs a solid center diff(welded diff, spool, welded VC, etc) there is a greater risk of breaking the tcase and rear axles if there is wheel hop, since much more of the load is placed on the rear suspension (with an open center diff the front tires will spin when the weight transfers to the rear alleviating some of the stress). I would highly suggest he run an open center diff, with a 4 spider upgrade, until he gets the car sorted out. The tranny just needs to be rebuilt by someone like Shep or TRE, with BOTH shafts replaced. In fact the only difference between a "fully built" tranny like what I run (and almost everyone else at this level) and what shep runs in his 8 second car is new shafts. And since I broke both shafts, I had those as well eventually :D Too bad I sold that pimp ass tranny with 160 miles on it for 1500. LMAO.

So to recap, just have shep do the tranny and tell him what your goals are, and run an open diff for starters. When the suspension is dialed in and he knows how to drive an AWD car with this much power properly, move to a solid diff and stock up on rear axles and tcases. ;)

I'm certain that getting to 600-650 hp is going to be the real problem in this case, not keeping the drivetrain together. One step at a time though, anyone can do it (eventually).

Im more in to rear wheal drive as far as being bullitproof..... i never ownd an AWD car.... and was thinking of purchusing a first gen dsm.... how durable is the drive train?? i heard the 2gen has a better built tranny and drive train... I live in the NYC, there are no strait roads and it snowes pretty good in the winter an AWD wouldnt hurt but how much stress can that transfer cass take?? or how many high rev lounches, will i be able to run 300+ without the drive train givin up on me?? or is the old myth of a chrystler/mitsu tranny that keeps on leakin a thing of the past?

I answered your question one post up. The center diff is by far the weakest link and is the only thing I would bother to replace before it breaks. Speed Design is the one I use, and I think Shep has his own now. They add two more spider gears. I've never broken the spider gears in a 4 spider diff.

www.rothbuilt.com/speeddesign (havent been there in years, hopefully thats still the URL)

www.shepracing.com


SOme pople are making 400-500 whp on stock drivetrains. Its all in how you drive it, and wheelhop will destroy parts faster than you can replace them. ;)