WHAT'S NEW
"the times they are a changing" — Bob Dylan
06.12.11 — StreetTunedMotorsports breaks into the 8's with their flagship EVO, making it the quickest 2-liter engined EVO in the nation. STM has been using TRE as their source for drivetrain needs for several years and their EVO ran 8.75@166 and the season is nowhere near over.
STM's EVO runs:
• TRE STAGE 2.5 exchange transmission with the HKS 4.11 final drive.
• TRE transfer case with the factory RS limited slip front diff — 3½ years of abuse on it.
• TRE 12 plate MAX-LOCK with HD side cover & oil sight.
05.19.11 — TRE now stocks their HD side cover for the Cusco limited slip rear differentials. There are two designs available so please check with us so we can get you the correct part.
04.12.11 — TRE will be releasing a replacement front limited slip differential housing to replace the weak factory housing. This part is much stronger and will be available immediately.
04.09.11 — The EVO transfer case main housing and tail housing receive machine work that squares up the housings. The reason this is being done is to make certain that both housings are square to one another as it has a profound affect on how the ring & pinion contact pattern turns out and the overall durability of the transfer case. Don't waste a nickel's worth of your money on replacing the ring & pinion gears unless you do this or you're going to end up breaking it again. You can send your transfer case where ever you want but if you want it done correctly TRE is the only shop for this job.
03.04.11 — There seems to be some confusion about whether the rear diff should be filled to the level of the drain plug on the oil sight rear covers so I added an indicator mark on the oil sight rear cover for the EVO. This mark is the recommended oil level.
01.13.11 — TRE will be releasing a new transfer case housing. The new housing is stronger than the factory piece and holds nearly a full quart of gear oil.
01.05.11 — The redesigned HD side cover is available for the EVO rear differential. TRE also has stronger side covers for the 90–99 AWD DSM and some of the aftermarket rear differentials.
Past news…
10.01.10 — The land speed record holding GVR4 is being taken to the Bonneville Salt Flats this weekend. UPDATE: 10.09.10 A connecting rod failure ended the fun. They have been running the same transmission for 4 years without failure.
09.19.10 — TRE is now offering rebuilds for the EVO-4 through EVO-9 transfer cases. We use the genuine factory Mitsubishi ring & pinions, bearings and oil seals. The housing is CNC machined to bring it back to true making for correct ring & pinion contact patterns. Don't even waste a nickel's worth of your money on installing a new ring & pinion unless this is being machined! Big bolt upgrade is standard.
09.03.10 — The Chevy Cobalt owned by ZZ Auto set a new record of 10.70 @ 134mph. They have been running a custom TRE transmission that I built for over 3 years now without issue.
06.22.10 — TRE is now stocking the JDM close ratio 5th gearset for the EVO-8/9 transmissions. This is the holy grail of 5th gears for an EVO used for road racing — the rpm drop from 4th to 5th gear is 12.7% less, making the EVO pull like hell down those long straights. 7500rpm in 4th = 6000rpm in 5th with the .825 5th gear.
06.22.10 — TRE is now stocking the HKS 4.11 final drive gearset for the EVO-8/9. The 4.11 final drive will give approximately 9.2% more mph in each gear, making it ideal for drag racing or use with 2.3 stroker motors.
05.17.10 — The land speed GVR4 went to El Mirage over the weekend but didn't break its old record because of an alternator belt letting go during a 9800rpm no-lift-shift. Several 200+ MPH passes were made. The transmission is now in its 4th season of use. You can buy the exact same transmission for your high torque DSM here.
05.07.10 — Updates have been made to the Frequently Asked Questions page.
05.01.10 — There has been some increase in pricing. This is due to more services that are standard in our rebuilds and venturing into other projects.
04.01.10 — Added an oiling upgrade for the EVO-4/9 transmissions. This greatly increases the service life of your EVO transmission.
03.09.10 — The EVO rear differential can now be upgraded with an oil sight glass that allows you to fill your rear diff with an appropriate amount of oil to aid in longer life of the pinion bearings.
03.01.10 — Added additional upgrades to the MAX-LOCK service. The carrier cap bolts are now replaced with shiny bolts included with this service.
02.10.10 — While high intensity shot peening offers the most value per dollar spent, TRE is now offering W.P.C. & F.P.P. services.
CONGRATULATIONS to Vernon and the crew at Raver Motorsports for their record breaking 228 mph pass at Bonneville Salt Flats. The yellow GVR-4 went 228 mph on the salt. Their combined average both-way speed was 224. They are using our "high torque" transmission for the past 4 years without failure.
#34 SCCA T2 transmission status — After 2 seasons of SCCA T2 road racing, the transmission came back needing only: 3rd gear synchro, misc snap rings & springs, and oil seals for good measure. About $70 worth of parts. All other parts in perfect condition. It cost more to ship the transmission one way than the cost of the parts needed to freshen it up. Marty Grand won the National Championship in 2011 using this same transmission through the entire 2011 race season.
NEW HOURS: 8am–5pm Tuesday–Friday. Closed Saturday–Monday.
ALL RETURNS ARE SUBJECT TO A 20% RESTOCKING FEE. If you are ordering transmission parts make sure you know exactly what you need. We are not responsible for parts that don't fit. We recommend getting the transmission apart and INSPECTING THE PARTS before ordering. If you can take a photo of the parts you need we can correctly match them up.
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