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Old 12-03-2003, 09:52 AM   #1
wRxbeater11
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Default Ej257 block w/ sti gears (5spd)

I just wanted to know if this setup on my car would be able to hold an 11 sec pass plus daily driving or would it still break? if not the motor the trans? I heard the 5 speed sti trans (not sure which) was alot stronger then our reg wrx trans and cost around $2,000. I see Evo's running 11 sec passes and not break I just wanna make sure this would hold up just as good if not better? let me know. Basically wanna know if this 2.5 sti motor and trans will be a great setup ? thanks -melo
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Old 12-03-2003, 10:29 AM   #2
wRxbeater11
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No body knows?
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Old 12-03-2003, 10:45 AM   #3
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Dude, it's been a HALF HOUR.
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Old 12-03-2003, 10:47 AM   #4
subywrxwrblu
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from the way I understand it, the gears are the strong part, but the case is the weak part. From all of the power it flexs.
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Old 12-03-2003, 11:59 AM   #5
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http://www.rallispec.com/product-gearset.htm

The STi RA gearset you speak of is much stronger than our standard gears and has better ratios.
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Old 12-03-2003, 12:12 PM   #6
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Gruppe-s has em cheaper..

Dug e fresh is running an 2.0 sti motor and is knocking on 11's door, and it seems to be holding Ok..

My question is if you are spending the money why not just spend a little more and get either a 6mt or a stronger gearset..
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Old 12-03-2003, 01:15 PM   #7
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yea the jump from a 1500.00 ra geat set to a 6000.00 6spd swap is nothing or a set a 4000.00+ gimmie gears.
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Old 12-03-2003, 01:25 PM   #8
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Well actually they can be had for like 3500 and mabey like 1k to get it in the car.. so mabey double the price but if you break the RA one you will be paying more than that.. Kaaz gears are like 2400 or so but are pretty short..
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Old 12-03-2003, 02:01 PM   #9
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Interesting thread from the Transmission forum: http://forums.nasioc.com/forums/show...hreadid=461500
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Old 12-03-2003, 06:13 PM   #10
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This is basically my setup (2.5/wrx heads/RA 5sspd w/4.444) but it's not installed yet so I can't give you any personal info. I have talked to quite a few people that have the RA gear set and they seem to be holding up quite well. One person had broke thier stock trannmission 2-3 times before going to the RA's and they have been serving them well ever since.

If you are insterested in the gears I would get them from rallispec and send you trannmisson there to have them install the gears. The cost for to install them is about $500 and they have a deal with a shipping company that makes it not to bad cost wise, then you can just put it back in and be good to go. If you have a tranny that you can send them and can take it out and put it back in yourself you are looking at around $2k installed providing you stick with the stock diffs and gear ratio (3.90) other wise there is added costs.
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Old 12-03-2003, 07:11 PM   #11
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Gruppe-s has 6spds (back ordered right now) for $3500. I am getting ready to put my deposit in on one with
Clutch/Flywheel/prop shaft and the total cost was $4500. The only thing left after that is the 3.90 rear which
is a few hundred. All totaled, I am looking at less than $5k for a 6spd.

Rallispec has the RA gears already pressed onto a new shaft for a pretty good price. Good time saver.


Curt
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Old 12-03-2003, 07:33 PM   #12
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You also need the R180 axles, Curt, right?
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Old 12-03-2003, 07:37 PM   #13
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No.

You can scavenge the parts you need from your current drive shaft and use those parts with the 6spd shaft. Two guys here local have done it and are doing great.

There is an unconfirmed rumor that the Automatic Driveshaft is the same length as the 6spd shaft.

Curt
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Old 12-03-2003, 11:09 PM   #14
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Rallispec no longer offers the shaft/gear combo, just the gears, and the service to install them.
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Old 12-04-2003, 12:50 PM   #15
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my understanding was the you would be pushing the limits if you try to lay down big power with the r160 diff. as opposed to the r180.

I was saying 6000.00 based on the "complete" swap including r180. I like that the price is dropping, I plan on a 6spd swap as I don't think that the RA gears are much stronger than stock.
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Old 12-04-2003, 12:58 PM   #16
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One of the local guys here (sponaugle on the board) is putting down about 380-390WHP on the R160 so I am not really worried about that part of it.

Eventually I will upgrade to the R180, but it can wait until the middle or end of next year.

Curt
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Old 12-04-2003, 01:07 PM   #17
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FWIW: I was under the impression that Sponaugle didn't do much drag racing; he's more of a track guy (oh, and I got this impression from his Bro, so if I'm wrong I'll go slap him )...
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Old 12-04-2003, 05:12 PM   #18
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Quote:
Originally posted by Turbo4me

There is an unconfirmed rumor that the Automatic Driveshaft is the same length as the 6spd shaft.

Curt
Rumor confirmed. I used the Auto propshaft in my conversion.

Steve
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Old 12-05-2003, 01:17 PM   #19
Turbo4me
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Quote:
Originally posted by fogdor
FWIW: I was under the impression that Sponaugle didn't do much drag racing; he's more of a track guy (oh, and I got this impression from his Bro, so if I'm wrong I'll go slap him )...
Jeff is THE track whore, but he has fun at the strip as well. I think his best to date is in the 12.2 neighborhood. I figure if his car doesn't break it, then mine sure as hell won't.

Great news on the auto prop shaft. Time to start looking.

Curt
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