50Trim vs Garret30
Oct 2, 2006, 04:54 PM
#32
Originally Posted by Zeus
Also don't forget Garrett has released their "Duel BB 50 trim". For what it is worth, I'd be willing to bet it is not quite as "old" as some others...
Thats the turbo I think my AMS kit came with the Garrett "Dual BB 50 Trim"
Oct 2, 2006, 05:19 PM
#34
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Originally Posted by Blue Evo 8
Thats the turbo I think my AMS kit came with the Garrett "Dual BB 50 Trim"
Oct 2, 2006, 05:44 PM
#36
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Originally Posted by shiv@vishnu
All things equal, a properly configured GT series turbo will out perform a properly configured 50 trim in every possible way (better spool-up, more power, better transient response, etc,.) We're comparing circa 1970s diesel truck technology to cutting-edge turbo design used to win races. Come on now 
We used to use 50-trims back in the late 90s on Impreza 2.5RS turbo kits (Before the WRX came out). For our performance goals, they were the best of the old T-series turbos. And they were also very inexpensive ($400-500). The GT series turbos, back then, weren't available since HKS had some sort of proprietary deal with Garrett Japan.
Regards,
shiv
We used to use 50-trims back in the late 90s on Impreza 2.5RS turbo kits (Before the WRX came out). For our performance goals, they were the best of the old T-series turbos. And they were also very inexpensive ($400-500). The GT series turbos, back then, weren't available since HKS had some sort of proprietary deal with Garrett Japan.
Regards,
shiv
Oct 2, 2006, 05:55 PM
#37
Originally Posted by PhoenixEvo
I would like to find out this information for sure, if anyone knows or can tell me how to get it!!!! THX ZEUSS HOLLA on this if u can
Components Included with our kit:
AMS 304 SS Thick Wall Tubular header
Garrett 50R Ball Bearing Turbocharger
SS 3" Tubular O2 housing
SS 3" Downpipe
Tial 38mm Wastegate (circulated back into the downpipe to keep the volume toned down)
Lightweight 3" or 4" intake pipe with K&N cone filter for either MAF or standalone ECU applications
Lightweight Aluminum Lower Intercooler Pipe
Braided SS Oil Feed and Return Lines
Braided Silicone Coolant Lines
Slim line fan
All necessary hardware and gaskets
50R Turbo Kit - 475-500WHP
Spool 3100-3600 RPM
Last edited by Blue Evo 8; Oct 2, 2006 at 05:59 PM.
Oct 2, 2006, 06:18 PM
#40
Some more pics I found of the DBB Garrett 50 Trim
Need a T-series that packs a huge punch. Look no further. Dual ball bearing Garrett T3/T4E, T04E 50 trim compressor with 3" inlet and 2" outlet. Stage III turbine wheel with T31 4 bolt. T3/4 drain flange. Coolant in/out required (14mm threads - same as GT series ball bearing). Great 450HP turbo. Available A/R, .48, .63, .82
Need a T-series that packs a huge punch. Look no further. Dual ball bearing Garrett T3/T4E, T04E 50 trim compressor with 3" inlet and 2" outlet. Stage III turbine wheel with T31 4 bolt. T3/4 drain flange. Coolant in/out required (14mm threads - same as GT series ball bearing). Great 450HP turbo. Available A/R, .48, .63, .82
Oct 2, 2006, 07:22 PM
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On a daily driver I would say the differences would be minimal. However, the GT30 has a lot more to offer and can take a lot of boost. (Well actually takes a lot of boost to get moving). The GT30 on my sube would need 26-28 psi to hit the sweet spot.
Oct 2, 2006, 09:04 PM
#45
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It's said that the TO4 derives from "old" diesel technology, well actually it is a versatile unit, as it also saw duty at the Indianapolis 500 on 1200 hp Buick Indy car engines. I even had a John Meyer's modified TO4-E(called a TE-50) on my Buick Grand National and it was a great street/track turbo that was used on many 11 second street Buicks. On the Buicks it was good for up to about 575 all engine HP.
I could see how outfitted with a dual-ball bearing center section and one of Garrett or Turbonetics' 4" inlet compressor housings a TO4/T3 hybrid(50-Trim),would be a killer turbo on an Evo. I would prefer it to a 3071 myself and have no doubt that it would compare favorably to a properly configured GT 3076/3037 turbo.
It's good that there are so many choices when shopping for a turbo kit. I only wish that they were a bit less expensive. Maybe 'll have enough cash in hand the next time AMS has a group buy on the 50T kits. The 50-Trim users really do make a convincing argument for the "old" technology TO4/T3 and back it up with impressive dyno sheet proof...especially on pump gas.
I could see how outfitted with a dual-ball bearing center section and one of Garrett or Turbonetics' 4" inlet compressor housings a TO4/T3 hybrid(50-Trim),would be a killer turbo on an Evo. I would prefer it to a 3071 myself and have no doubt that it would compare favorably to a properly configured GT 3076/3037 turbo.
It's good that there are so many choices when shopping for a turbo kit. I only wish that they were a bit less expensive. Maybe 'll have enough cash in hand the next time AMS has a group buy on the 50T kits. The 50-Trim users really do make a convincing argument for the "old" technology TO4/T3 and back it up with impressive dyno sheet proof...especially on pump gas.