Good Tranny? - Subaru WRX Forum
 
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post #1 of 12 Old 01-30-2006, 01:56 AM Thread Starter
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Good Tranny?

I know the WRX transmission cant handle alot of power, so i was wondering what would be a good tranny and where would i get it?
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post #2 of 12 Old 01-30-2006, 02:03 AM
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The transmission in your car should be just fine, the problem trannies are the 02-03 models. They've revised them since then. But if you really want to upgrade, check out www.gruppe-S.com they have the STi models there.

My car is well, it's like 10 lbs of shit in a 5 lb bag...

<------ Click to see what I'm workin' with. ;)
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post #3 of 12 Old 01-30-2006, 02:09 AM Thread Starter
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so the stock trannies are good in the 2005s? sweet. i wont drop the money for it until i need to then...about when do the stock ones starting carappin out?
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post #4 of 12 Old 01-30-2006, 02:19 AM
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Yes the trannies are better, but how long it's going to last is mainly dictated by your driving habits. Look at it like this, your clutch acts as a buffer between the engine and the transmission (both are high dollar items, where the cluch is pretty cheap). Get used to the way that the clutch engages and improve your shifting from there. If you go through a clutch, that's not a huge deal, but transmissions are.

I know of a couple people that have stg 4+ cars on the original transmissions, they're doing just fine. That's because they know how to drive. Driving is the key to transmission life.

Now If I'd do what I tell people to do, my car would be off the damn jackstands by now.

Sorry for babbling.

Later.

My car is well, it's like 10 lbs of shit in a 5 lb bag...

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post #5 of 12 Old 01-31-2006, 12:05 PM
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Actually the 02's are the worst.. the 03's actually got the same gear width as the RA gearset.

From everything that I have read, there isn't that much difference at all between the strength of the 03-05 WRX transmissions.. not sure about the 06 since the engine has more torque, don't know if they beefed it up at all or not.

Your absolute best bet on a fairly modified car is a 6-speed STi gearset. But it all depends on the amount of $$ you want to spend.

2002 Blue WRX (USDM 2.5L STi Shortblock)
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post #6 of 12 Old 01-31-2006, 07:08 PM
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I have read that the late '03 models have gotten the 2mm wider gears, making them the same width as the RA gears.

If you have the money for a STi 6-speed swap, that is the way to go, but a little pricey. If you don't want to spend that much you can get a 5-speed RA gear set out of an older STi.
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post #7 of 12 Old 02-01-2006, 01:38 AM
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Quote:
Originally Posted by WRXtreme
I have read that the late '03 models have gotten the 2mm wider gears, making them the same width as the RA gears.

If you have the money for a STi 6-speed swap, that is the way to go, but a little pricey. If you don't want to spend that much you can get a 5-speed RA gear set out of an older STi.
The later model 03's do true....but I have still seen many many blown WRX Tranny's ...I say spend the money on RA Gears or a Dog Box ....Dog Box's rock BTW

"Life's a bowl of punch so go ahead and Spike it!" -311
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post #8 of 12 Old 02-18-2006, 01:24 PM
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Dog boxes are tanks, if you can deal with what it sounds like going in reverse 65mph..
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post #9 of 12 Old 02-18-2006, 10:30 PM
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can someone explain what shifting is like with a dogbox?
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post #10 of 12 Old 02-18-2006, 11:23 PM
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they're whats used in wrc cars
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post #11 of 12 Old 02-19-2006, 06:33 PM
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Quote:
Originally Posted by reefdiver550
can someone explain what shifting is like with a dogbox?
Straight cut gears and no syncros. Which means harsher engagement, but stronger internals. You have to rev match. That is, blip the throttle before you shift into the next gear, unless downshifting.

A dog box is not practical on a street car. It will sound like your car's gonna blow up 24/7. Your trans might even be louder than your exhaust. :eek:

-dp
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post #12 of 12 Old 02-21-2006, 12:14 AM
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I like the dog box a hell of a lot...I can bet the shit outta the drivetrian without any worry at all...the learning curve was steep but once you do learn how to drive the dog box well you are unstoppable around turns, launches, hard shifts down the 1/4 .....good times for all

"Life's a bowl of punch so go ahead and Spike it!" -311
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