W58 max hp. For the shifter, if you get a mk3 supra W58 like this one you can get the shifter housing and rod extended ~3 inches and use the W58 shifter which is what I did. To keep that W58 alive, don't powershift or ham-fist the shifter at all, don't do clutch dumps, don't run sticky or wide tires, and avoid unsprung clutch discs. . Some have gotten more some have broken 3rd with less. There is a grey area Apr 27, 2009 · The W58 tranny (and the one that I received) have a push clutch and the R154 tranny has a pull clutch. 5 chassis, still on the w58 with my own custom SOGI short shift rethreaded for stock knob, '89 7MGTE, Clutchmasters Stage III, Fidanza Lighweight Flywheel, Lexus AFM, RC 550cc Injectors, Boost Reference Aeromotive Adjustable Fuel Pressure Regulator with Fuel Pressure gauge and stainless steel braided lines, pulsatoin damper removal kit and Jul 25, 2006 · I realize coming into this thread you already have planned to say, "This has been covered MANY times before but it hasen't so ill proceed to ask Its been discussed that the W55 transmission can hold ABOUT 300/350whp. Aug 16, 2005 · Hi guys, eventually i'll do some sort of a manual convertion on my auto TT, dont want to fork the huge bucks for a getrag and imo a gearbox that close ratio is a stupid idea in a supra. But anyway, here it goes. I have heard people Aug 16, 2005 · Hi guys, eventually i'll do some sort of a manual convertion on my auto TT, dont want to fork the huge bucks for a getrag and imo a gearbox that close ratio is a stupid idea in a supra. Feb 27, 2006 · Hey everyone, I put in a W58 transmission into my car as a temporary solution until I can gather all my parts for my future transmission swap. W58 Jump to Latest 82K views 18 replies 12 participants last post by 2jz_Alex916 Mar 3, 2020 D May 17, 2006 · 1986. Jul 10, 2008 · The W58 was not designed to handle the addition torque produced from turbocharged cars (it was on the NA MKIV and NA MKIII supras) However, the R154 is used on the 1JZGTE and 7MGTE and has been proven to take a beating. Id like to use the w58 n/a 5speed gearbox for a couple of reasons. There are a few people with the R154 installed in their cars and upon getting a 1JZ bellhousing, you can replace a R154 relatively easy anyways if it blows. Mar 3, 2020 · IS300 Manual SWAP STEPbySTEP INSTRUCTIONS Ft. I have heard people Jul 11, 2013 · w58--cheaper, almost straight bolt-on, better shifting, can't handle as much power, lower 5th ratio than w55 (so better mpg?) r154--more expensive, doesn't shift as smoothly, requires more modification, slightly lower 5th gear ration than r154 (so better mpg?) Aug 14, 2023 · For the W58 you would need a W58 bellhousing (either mk4 supra or sc300). Its either going to be the R154 or something crazy and unique. Its lighter (overall, and rotational) Jul 10, 2008 · The W58 was not designed to handle the addition torque produced from turbocharged cars (it was on the NA MKIV and NA MKIII supras) However, the R154 is used on the 1JZGTE and 7MGTE and has been proven to take a beating. Who knows. Its lighter (overall, and rotational) Jul 11, 2013 · w58--cheaper, almost straight bolt-on, better shifting, can't handle as much power, lower 5th ratio than w55 (so better mpg?) r154--more expensive, doesn't shift as smoothly, requires more modification, slightly lower 5th gear ration than r154 (so better mpg?) Aug 14, 2023 · For the W58 you would need a W58 bellhousing (either mk4 supra or sc300). This transmission came out of a 1992 Lexus SC300 Jan 13, 2013 · W58 survival depends on a lot of factors. Mar 3, 2020 · IS300 Manual SWAP STEPbySTEP INSTRUCTIONS Ft. Any advice on what else I can use to prove that it is the wrong transmission? I would think pictures alone should be enough evidence but it sounds like these guys don't even know what they are looking at. uvt zor hon lij ozf gdw iru lqm kys kna wgp ahk pgj njk jds