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01-27-2013, 12:25 PM | #4551 |
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Join Date: Nov 2010
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I agree i noticed a big difference in the powerband on my swap, but I went with the 2011 STI gearing.
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01-27-2013, 12:33 PM | #4552 |
Scooby Guru
Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
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01-27-2013, 12:40 PM | #4553 | |
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Member#: 290307
Join Date: Aug 2011
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Quote:
Def helps the fuel economy with those taller gears, and we all know we need that with how these things guzzle fuel |
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01-27-2013, 12:53 PM | #4554 |
Scooby Guru
Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
I agree. The long gears ate nice from cruising. And 4th will go 140 if I revved to 9k
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01-27-2013, 01:01 PM | #4555 |
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Join Date: Aug 2011
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01-27-2013, 01:29 PM | #4556 |
Scooby Newbie
Member#: 290734
Join Date: Aug 2011
Chapter/Region:
MAIC
Location: Pittsburgh. PA
Vehicle:2012 WRB WRX Hatch 2015 Forester XT |
Is the 6 speed stronger than the gear set you were running before? Those were some pretty beefy gears, especially with the straight cut 1&2. I did see that the reason you did the swap was the differentials. Just curious how the gearboxes compare in strength.
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01-27-2013, 01:33 PM | #4557 | |
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Member#: 219492
Join Date: Aug 2009
Chapter/Region:
Tri-State
Location: Soviet Russia
Vehicle:17' 5mt XV & 02 WRX @comrad |
Quote:
i mean c'mon, who doesn't want this: |
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01-27-2013, 01:44 PM | #4558 | ||
Scooby Guru
Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
Quote:
https://www.youtube.com/watch?v=uI-kLqUyiLA Quote:
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01-27-2013, 01:48 PM | #4559 |
Scooby Specialist
Member#: 284420
Join Date: Jun 2011
Chapter/Region:
SWIC
Location: Lakewood, Ca
Vehicle:2011 WRX Sedan SWP |
That is crazy! I want that^
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01-27-2013, 02:07 PM | #4560 | |
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Join Date: Aug 2011
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Quote:
Yeah I know about that car, it's insane! Haha thing is the 2.5L isn't as reliable at those high rpms as the 2.3L will be over time, I think the 2.5L needs more beefing up to be able to handle those high rpms than the 2.3L as well if I'm not mistaken. You think the 6spd is only as strong as the PAR gearset? That's interesting, I was always under the impression that the 6spd was absolutely bulletproof, and that the 5spds just can't handle the power the 6spd can. Though I guess that could be just due to the shorter ratios/less force on the individual gear itself? |
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01-27-2013, 02:08 PM | #4561 | |
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Quote:
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01-27-2013, 02:47 PM | #4562 |
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Member#: 163672
Join Date: Nov 2007
Location: Where the sidewalk ends...
Vehicle:GV Same color as veneers |
MP/ Doms configuration is awesome, and definitely respectable in everyway. That car will be an absolute blast. My thoughts, and possibly similar to Ben's...
Does it become feasible to completely alter the car with a stroked motor to achieve the desired power(band) goals? The prevelance of quick spooling, high power delivering turbos is reality. Especially with e85, 450-500whp is relatively quick work. If the budget is there, 550+whp is a necessity, the power band of the motor is applicable.... do anything and everything possible that's desired. I am perfectly content with a short block and ~ 3.5k-7.5k power band. Realistically, other priorities/ obligations come into play with something as in depth as that build. Few years... Different story. *Knowing Ben, there'd be a stroked motor sitting on his photo table sharing beverages with him and no one would know. |
01-27-2013, 03:05 PM | #4563 | |
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Quote:
Doms car is a more of a track only/drag strip kinda car, as he himself has said many times, but when it comes to that subject area, its a monster |
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01-27-2013, 04:14 PM | #4564 |
Scooby Newbie
Member#: 180861
Join Date: May 2008
Chapter/Region:
NESIC
Location: Rotated PTE 5858
Vehicle:2005 IAG Closed Deck Larry's Power built heads |
At what rpm do you hit full boost in third?
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01-27-2013, 07:42 PM | #4565 | ||
Scooby Guru
Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
Quote:
Quote:
Here's what I get looking at my most recent logs: Code:
Tranny Gear RPM@20PSI RPM@26PSI 5MT 3 3500 3900 6MT 3 3500 4000 6MT 4 3100 3400 |
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01-27-2013, 07:50 PM | #4566 | |
Scooby Specialist
Member#: 316517
Join Date: Apr 2012
Chapter/Region:
NESIC
Location: Portland, ME
Vehicle:2012 WRB WRX Hatch TP Stage III & ELH |
Quote:
I have no idea how much the inertia difference really translates into real-world difference, but on paper, in concept, it certainly begs one to look at more than just the weight. To be honest, I'm really most interested in any one-piece DS just for the sake of ditching the two-piece design that bucks like crazy sometimes. I'd say your car definitely deserves a CF DS. |
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01-27-2013, 07:53 PM | #4567 |
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Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
Yeah, that middle section of the 2 piece has so much play. With all the upgraded mounts it does seem much less though. Is installation more difficult with the 1 piece? Or does the u-joint at the rear end make it pretty easy to get it all lined up?
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01-27-2013, 08:00 PM | #4568 |
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Member#: 316517
Join Date: Apr 2012
Chapter/Region:
NESIC
Location: Portland, ME
Vehicle:2012 WRB WRX Hatch TP Stage III & ELH |
I don't have one yet, but I hear it's easy as hell to do. The bolted end just drops down flush. No need to move it forward or back at all. I've spent most of my modding budget trying to just tighten up the drivetrain and make DDing a little less wonky, but I think that's still my next big mod. I want better clutch-feel, smoother downshifts and a larger margin of error with rev matching. I hear a one-piece delivers on all accounts.
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01-27-2013, 08:06 PM | #4569 |
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Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
I've had the OEM driveshaft on and off many times, and it's really easy. The only thing that I'm worried about with the 1 piece is how do you slide it into the tranny if you can't line it up straight, due to it hitting the rear diff. Maybe there is enough wiggle room that it works, I'm not sure. Worst case you could pull the rear diff, install the driveshaft, and then put the rear diff back on, but that's a lot more work.
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01-27-2013, 08:30 PM | #4570 |
Scooby Newbie
Member#: 180861
Join Date: May 2008
Chapter/Region:
NESIC
Location: Rotated PTE 5858
Vehicle:2005 IAG Closed Deck Larry's Power built heads |
There is a universal joint at each end. I think you just insert one end into the transmission and then lift the opposite end until it matches up with the bolts on the diff. Once in the transmission there is enough play to move it forward or back to get the rear diff bolts lined up. Been looking at and reading reviews on the carbon fiber ones for a while now. Haven't read any thing bad about them yet
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01-27-2013, 08:50 PM | #4571 |
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Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
Duh. You're right. I forgot about the u-joint on the tranny end. There shouldn't be any problem with install. Seems like a good way to go as long as they hold up. The CF ones are really spendy though.
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01-27-2013, 08:51 PM | #4572 |
Scooby Specialist
Member#: 316517
Join Date: Apr 2012
Chapter/Region:
NESIC
Location: Portland, ME
Vehicle:2012 WRB WRX Hatch TP Stage III & ELH |
Vibration, more-so with the aluminum ones, seems to be the only concern, and even then, you just undo the bolts, rotate it 90 degrees and try again. One out of the 4 orientations should be perfectly balanced.
I hear lots of people saying it just improves the driveability tremendously. Last edited by blehhh; 01-27-2013 at 08:57 PM. |
01-27-2013, 09:36 PM | #4573 |
Scooby Newbie
Member#: 180861
Join Date: May 2008
Chapter/Region:
NESIC
Location: Rotated PTE 5858
Vehicle:2005 IAG Closed Deck Larry's Power built heads |
Expensive but proven to put more power to the wheels on a dyno. I've have seen dyno charts giving 10 to 15 more hp/Tq. But people say the smoothness and better drivability make it worth it alone.
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01-27-2013, 09:39 PM | #4574 |
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Member#: 267837
Join Date: Dec 2010
Chapter/Region:
Tri-State
Location: NY
Vehicle:2022 WRX Solar Orange Pearl |
I'll be waiting for the next cell phone shot of a piece of carbon fiber.
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01-27-2013, 09:41 PM | #4575 |
Scooby Guru
Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:2002 WRX - 750WHP 9.5s @ 150mph |
I guess I'd kind of think about it, but it's not high on my list. $1000 for 10HP and a little smoother drive doesn't seem like a lot of bang for your buck.
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