Trust/Greddy FRS/BRZ/86 Dog Box Transmission - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Knshro13 · 12-02-2015, 10:56 PM

I had the opportunity to test out Trust Racing's new 86 build for Toyo Tires. The car was equipped with a Greddy Performance 2.1L stroker kit, a Greddy T620Z Turbo kit with 550whp, and the revised Trust Racing 6 speed Dog box.

I won't go into too much detail since the photos can tell a lot but the gear set is made to fit in the stock transmission case.

With a ton of clutch kicks in 4th and 5th gear on Toyo's sticky Trampio R1R, the gear set was basically unharmed upon inspection. 4th gear is the common culprit for those of us with higher HP numbers and sticky tires. We shaved the reverse gear, and made 4th gear a lot thicker.

The gears are helical cut for two reasons. One: its quieter for street use (although i am sure some will say they like the gear whine), and two: helical cut gears are stronger than straight cut gears.

Since I am not a vendor here, I won't mention any pricing, but from one fellow FRS owner to others, I just wanted to let you guys know that we now have an option! no more broken 4th gears!

You can comment below for any questions, or contact Greddy Performance.

raven1231 · 12-02-2015, 11:45 PM

How long until the Sbd version comes out?

Clipdat · 12-03-2015, 12:51 AM

BRZoomTX · 01-11-2016, 11:55 AM

Anyone have more info on the trans gears?

Decay107 · 01-22-2016, 01:05 AM

off topic, but what the fuck is going on with those strut mounts?!? Guessing longer lower control arms and tie rods for more steering angle which necessitates moving the strut more outboard?

Got any shots of the front suspension?

cdrazic93 · 01-22-2016, 01:41 AM

T__________T

You suck

Knshro13 · 01-22-2016, 04:56 PM

Quote:

Originally Posted by Decay107

off topic, but what the fuck is going on with those strut mounts?!? Guessing longer lower control arms and tie rods for more steering angle which necessitates moving the strut more outboard?

Got any shots of the front suspension?

yep exactly. This car has a wisefab steering kit, which utilizes longer lower control arms. The struts are moved outwards equal distance to the lca.

ill upload more photos of the car in a bit.

Drakiv · 01-22-2016, 10:03 PM

Finally! I need this set........

Spartarus · 01-23-2016, 12:12 AM

Quote:

Originally Posted by Knshro13

yep exactly. This car has a wisefab steering kit, which utilizes longer lower control arms. The struts are moved outwards equal distance to the lca.

ill upload more photos of the car in a bit.

It also relocates the steering rack inside the front crossmember, rather than behind it, and replaces the knuckles.

Lonewolf · 02-07-2016, 02:29 PM

A mention and some more pics of the dogbox here:

http://greddy-usa.blogspot.com/2016/...uto-salon.html

bem75 · 02-11-2016, 03:30 PM

Trying to get information from Greddy on this dog box has been difficult. Anyone have any info, like price or availability?

Lonewolf · 02-11-2016, 11:13 PM

Quote:

Originally Posted by bem75

Trying to get information from Greddy on this dog box has been difficult. Anyone have any info, like price or availability?

@Knshro13

Knshro13 · 02-12-2016, 01:20 AM

Quote:

Originally Posted by bem75

Trying to get information from Greddy on this dog box has been difficult. Anyone have any info, like price or availability?

I saw your PM.

Ill get in touch with you.

Knshro13 · 02-13-2016, 01:21 PM

Ive been getting a few DMs regarding this kit.

I am not a vendor nor am i directly selling these gear sets.

You guys can contact Greddy at 949.588.8300 and ask for either Mike or Kenji.

Meanwhile, here is some info on some questions i have been receiving.

Gear ratios for the gears:

1st 2.6805
2nd 1.8514
3rd 1.4017
4th 1.1529
5th 1
6th 0.8716

At this moment, customs gears are not available. You can however order spare gears or misc. replacement parts.

Here is a list of OEM toyota parts needed to complete the dog box. These parts are order via Toyota parts department.

SU003-03499 6th gear thrust washer
SU003-03923 4th gear washer set
SU003-03521 3rd gear needle roller bearing
SU003-03522 input shaft bearing
SU003-03524 6th gear needle roller bearing
SU003-03525 counter gear front bearing
SU003-03526 output shaft bearing rr
SU003-03527 input shaft bearing fr
SU003-03550 force washer retaining snap ring
SU003-03587 counter gear front bearing snap ring No.1
SU003-03588 snap ring (need 2)
SU003-03640 slotted spring pin
SU003-03641 gear thrust washer straight pin
SU003-03874 gear shift fork shaft no. 5
SU003-03890 force washer retaining ring
SU003-03924 shaft snap ring
SU003-03925 counter gear front bearing snap ring No. 2
SU003-03926 6th gear shaft snap ring
SU003-03927 front bearing shaft snap ring
SU003-03928 transmission clutch hub No.3 shaft snap ring (need 2)
SU003-03908 1st shift restrict ball

12-02-2015, 10:56 PM	#1
Knshro13 Senior Member Join Date: Feb 2013 Drives: 10 series FRS Location: San Gabriel Valley Posts: 259 Thanks: 52 Thanked 314 Times in 110 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Trust/Greddy FRS/BRZ/86 Dog Box Transmission I had the opportunity to test out Trust Racing's new 86 build for Toyo Tires. The car was equipped with a Greddy Performance 2.1L stroker kit, a Greddy T620Z Turbo kit with 550whp, and the revised Trust Racing 6 speed Dog box. I won't go into too much detail since the photos can tell a lot but the gear set is made to fit in the stock transmission case. With a ton of clutch kicks in 4th and 5th gear on Toyo's sticky Trampio R1R, the gear set was basically unharmed upon inspection. 4th gear is the common culprit for those of us with higher HP numbers and sticky tires. We shaved the reverse gear, and made 4th gear a lot thicker. The gears are helical cut for two reasons. One: its quieter for street use (although i am sure some will say they like the gear whine), and two: helical cut gears are stronger than straight cut gears. Since I am not a vendor here, I won't mention any pricing, but from one fellow FRS owner to others, I just wanted to let you guys know that we now have an option! no more broken 4th gears! You can comment below for any questions, or contact Greddy Performance. Attached Images Last edited by Knshro13; 12-02-2015 at 11:38 PM.

12-02-2015, 11:45 PM	#2
raven1231 Senior Member Join Date: Aug 2013 Drives: 2013 Firestorm FR-S, 2016 DGM WRX Location: Cincinnati, Ohio Posts: 4,580 Thanks: 8,264 Thanked 3,118 Times in 1,667 Posts Mentioned: 24 Post(s) Tagged: 1 Thread(s)	How long until the Sbd version comes out? __________________ http://www.ft86club.com/forums/showthread.php?t=59870

01-11-2016, 11:55 AM	#4
BRZoomTX Senior Member Join Date: Mar 2015 Drives: '13 BRZ Location: Texas Posts: 362 Thanks: 179 Thanked 235 Times in 149 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Anyone have more info on the trans gears? __________________ '13 WRB BRZ ~470whp // Instagram // YouTube

01-22-2016, 01:05 AM	#5
Decay107 Turning is for Nerds Join Date: Aug 2013 Drives: 35 characters is not enough Location: PDX Posts: 1,974 Thanks: 836 Thanked 1,259 Times in 717 Posts Mentioned: 186 Post(s) Tagged: 3 Thread(s)	off topic, but what the fuck is going on with those strut mounts?!? Guessing longer lower control arms and tie rods for more steering angle which necessitates moving the strut more outboard? Got any shots of the front suspension? __________________ My build thread / journal / evidence for warranty claim denial Motorcycle build thread

01-22-2016, 01:41 AM	#6
cdrazic93 Junior Join Date: Aug 2013 Drives: a car Location: Probably at school Posts: 4,341 Thanks: 3,184 Thanked 2,512 Times in 1,502 Posts Mentioned: 20 Post(s) Tagged: 0 Thread(s)	T__________T You suck __________________ "Ah! What music! They could have never imagined, those pioneers who invented the automobile, that it would posses us like this, our imaginations, our dreams. Men love women, but even more than that, men love CARS!"-Lord Hesketh

02-07-2016, 02:29 PM	#10
Lonewolf Senior Member Join Date: Dec 2011 Drives: Moped Location: CA Posts: 4,298 Thanks: 4,897 Thanked 2,128 Times in 1,193 Posts Mentioned: 21 Post(s) Tagged: 0 Thread(s)	A mention and some more pics of the dogbox here: http://greddy-usa.blogspot.com/2016/...uto-salon.html

02-11-2016, 03:30 PM	#11
bem75 Round 3 Racing Join Date: Aug 2015 Drives: Scion FR-S race car Location: South Florida Posts: 27 Thanks: 3 Thanked 14 Times in 8 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Trying to get information from Greddy on this dog box has been difficult. Anyone have any info, like price or availability?

02-13-2016, 01:21 PM	#14
Knshro13 Senior Member Join Date: Feb 2013 Drives: 10 series FRS Location: San Gabriel Valley Posts: 259 Thanks: 52 Thanked 314 Times in 110 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Ive been getting a few DMs regarding this kit. I am not a vendor nor am i directly selling these gear sets. You guys can contact Greddy at 949.588.8300 and ask for either Mike or Kenji. Meanwhile, here is some info on some questions i have been receiving. Gear ratios for the gears: 1st 2.6805 2nd 1.8514 3rd 1.4017 4th 1.1529 5th 1 6th 0.8716 At this moment, customs gears are not available. You can however order spare gears or misc. replacement parts. Here is a list of OEM toyota parts needed to complete the dog box. These parts are order via Toyota parts department. SU003-03499 6th gear thrust washer SU003-03923 4th gear washer set SU003-03521 3rd gear needle roller bearing SU003-03522 input shaft bearing SU003-03524 6th gear needle roller bearing SU003-03525 counter gear front bearing SU003-03526 output shaft bearing rr SU003-03527 input shaft bearing fr SU003-03550 force washer retaining snap ring SU003-03587 counter gear front bearing snap ring No.1 SU003-03588 snap ring (need 2) SU003-03640 slotted spring pin SU003-03641 gear thrust washer straight pin SU003-03874 gear shift fork shaft no. 5 SU003-03890 force washer retaining ring SU003-03924 shaft snap ring SU003-03925 counter gear front bearing snap ring No. 2 SU003-03926 6th gear shaft snap ring SU003-03927 front bearing shaft snap ring SU003-03928 transmission clutch hub No.3 shaft snap ring (need 2) SU003-03908 1st shift restrict ball Last edited by Knshro13; 02-13-2016 at 07:12 PM.

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