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07-15-2020, 09:57 PM | #1 |
Big Ron
Super Moderator Member#: 18062
Join Date: Apr 2002
Chapter/Region:
MAIC
Location: I can save you a ton of cash
Vehicle:on car parts so PM me b4 j00 buy |
PPG 5MT rebuild, new clutch, new LSD, oh my!
So after 14 years and 230,000 miles I had my transmission rebuilt. I took my car to Yates Auto (https://www.facebook.com/pages/categ...2591611232712/) in Gaithersburg, MD. Andrew Yates is the reason we have PPG as an option in America and I'm proud to have (likely) the oldest PPG gearbox in the nation.
This weekend Andrew removed the trans, rebuilt it, installed the trans....all in one day. Amazing! He had me order a full synchro set and bring it with me which ran ~$300. The only issue was the 5th/reverse selector which was cracked...I had no clue and it could have been cracked for a day or 10 years. Everything looked cherry but we swapped out all the synchros for funsies. He also installed a PPG front torsen differential because racecar. Also going in was a new driveshaft, Kartboy transmission mount bushings, and a Group N transmission mount. So I finally have zero OEM bushings left in my car and 100% of them have been swapped out. Previously installed was a South Bend KSB03-SS-TZ Stage 3 Endurance clutch prior to my last tune. Amazing clutch as its a legit savage unit yet has the pedal feel of a brand new Toyota econbox. Only slight roughness is in reverse for some reason...every other gear is butter smooth and easy. New differential is a hoot. Best way to put it is if you are in a corner with the wheel turned...if you let go of the wheel...it will autocenter in .25 seconds and you will die in a fire as you'll go straight off the road. This is further complicated by the quicker ratio 16+ steering rack I installed a few years back. Steering with my knee is no longer an option. Old and Busted New Hotness
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07-21-2020, 11:41 AM | #2 |
Scooby Specialist
Member#: 118334
Join Date: Jun 2006
Chapter/Region:
SWIC
Location: IT'SOKIFYOUDON'TGETIT!
Vehicle:2006 Red GDA-F 2005 Aspen White GDA-E |
Looks good! Nice to see someone that knows how to drive their stuff
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08-18-2020, 04:02 PM | #3 |
Scooby Newbie
Member#: 486646
Join Date: May 2018
Location: WA
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Looks clean, thanks for the pics
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08-18-2020, 04:13 PM | #4 |
Scooby Guru
Member#: 50586
Join Date: Dec 2003
Chapter/Region:
BAIC
Location: Chiraq
Vehicle:64 Impala |
trans pron haha
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08-28-2020, 03:01 PM | #5 |
Scooby Newbie
Member#: 192990
Join Date: Oct 2008
Chapter/Region:
MAIC
Location: Silver Spring, MD
Vehicle:2012 Impreza WRX Satin White Pearl |
would you recommend an upgraded 5 speed trans or a sti 6 speed swap? I called yates auto about a week ago and they're on vaca all this week. I'm hoping to hear from them early next week...
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09-08-2020, 06:42 AM | #6 | |
Big Ron
Super Moderator Member#: 18062
Join Date: Apr 2002
Chapter/Region:
MAIC
Location: I can save you a ton of cash
Vehicle:on car parts so PM me b4 j00 buy |
Quote:
Now if you have 500+ HP, you do some flavor of legit racing with your car, or other factor, there needs to be a bigger discussion. |
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09-10-2020, 12:50 AM | #7 |
Scooby Newbie
Member#: 192990
Join Date: Oct 2008
Chapter/Region:
MAIC
Location: Silver Spring, MD
Vehicle:2012 Impreza WRX Satin White Pearl |
I was able to speak with someone from Yates Auto and I'm scheduled to come in next week and talk through some of my goals so I make the right choice. I'm really grateful they do business that way. I'm currently on a built motor, twin scroll 365whp and 357lb/ft so I'm at my limits of my gear box. I'm grinding into 3rd every time I push the car, and now 4th gear is hard to get into. I also get this weird thing where my clutch goes limp for about a minute and goes back to normal when I ease off and drive normal.
I think a 5 speed upgrade is the right choice, according to PPG they're supposed to be good up to 450hp, I don't know if that's whp or not, but either way should be fine. My car is tuned and modded to be a fun DD. I've done a few auto-x but that's really not the main goal of the car. I want a fun, safe reliable DD that I could autox from time to time just to have fun. Thanks unabomber, I always appreciate your data based objective recommendations |
09-10-2020, 01:43 PM | #8 | |
Scooby Specialist
Member#: 13530
Join Date: Dec 2001
Chapter/Region:
NWIC
Location: Cascadia
Vehicle:EA63 , EA81T, EJ20G, EJ205 |
Quote:
Cost wise, a built 5-speed is about the same as a 6-speed. The 5-speed will weigh less and as Unabomber mentioned, will have "0-miles" once built. 6-speeds will generally have a front LSD, which would add cost to a 5-speed build. I doubt I'll ever see 500 hp, but 350+ is a mark we may reach. Not a dedicated race car either, but the intent is to keep track miles on this car, and off the DDs. |
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09-11-2020, 03:26 AM | #9 | |
Scooby Specialist
Member#: 48377
Join Date: Nov 2003
Chapter/Region:
MWSOC
Location: "They eat fish soaked in lye"
Vehicle:1996 Gutted, built XP class Impreza L |
Quote:
Car Freak- It really depends on the class(es) you want to be competitive in, if you care about being competitive, and the current setup you have. If you have a 5 speed with a DCCD center diff, I would go with a gear and front diff upgrade, as it will be lighter and really have no downsides compared to a 6 speed. If weight doesn't matter for the class or you don't really care about the extra 80 lbs, the 6 speed will be cheaper and stronger for the same cost. The DCCD is very important from a performance standpoint with either option as the performance upgrade is huge. That said- if you don't have ABS on your car it is a wasted upgrade until you do install all the sensors and brake line plumbing. So the question you have asked is FAR more complex than A vs B. It's more about total cost and your ability to perform upgrades vs. the performance that you are going for. |
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09-11-2020, 10:58 AM | #10 |
Scooby Newbie
Member#: 192990
Join Date: Oct 2008
Chapter/Region:
MAIC
Location: Silver Spring, MD
Vehicle:2012 Impreza WRX Satin White Pearl |
So I'm a little confused, because I think a used 6 speed trans by itself cost about as much as a 5 speed upgraded gearbox, but don't you also need to do rear axles, rear diff, clutch, flywheel, 6 speed shifter and driveshaft for the 6 speed swap? Not to mention if you want the full swap you'll need new suspension (different knuckles), brake setup to accommodate the brembo's, wheels for the different lug pattern and brake clearance, DCCD map controller if you go with the r180 rear diff unless you want to keep the 65/35 rear/front split ratio. Surely the cost doesn't add up to be around the same does it?
I've read in other threads as well people saying they cost the same, where is my info wrong? |
09-14-2020, 07:57 PM | #11 | |
Scooby Guru
Member#: 3687
Join Date: Jan 2001
Chapter/Region:
MWSOC
Location: St. Paul, MN
Vehicle:MY99 GF4 JDM 6spd NF Performance |
Quote:
so.... do you REALLY drive your car in a manner that requires the rest of the driveline or not? |
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09-18-2020, 02:54 PM | #12 | ||
Scooby Specialist
Member#: 13530
Join Date: Dec 2001
Chapter/Region:
NWIC
Location: Cascadia
Vehicle:EA63 , EA81T, EJ20G, EJ205 |
Quote:
Quote:
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10-08-2020, 04:28 PM | #13 |
Scooby Newbie
Member#: 192990
Join Date: Oct 2008
Chapter/Region:
MAIC
Location: Silver Spring, MD
Vehicle:2012 Impreza WRX Satin White Pearl |
Just wanted to update and give a shout out to Yates Auto in Gaithersburg MD. Andrew Yates is the subaru transmission Yoda! Fantastic service, I called the shop and after taking in my initial issues we scheduled a meeting to sit and talk with Andrew Yates to discuss my goals, my budget, my expectations etc. Such a chill guy and very relaxed atmosphere.
We settled with on 1-4 synchro'd PPG gear set, billet fork and pivot ball, new set of synchros and all the other accoutrements that go with the gear swap. Unfortunately because of the virus, the gears are due to come in December, but thankfully I can still drive the car normally without any issues. After all the parts and estimated labor cost I was quoted just about $5,500. |
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