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2IS 6MT vs 1IS 5MT

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Old Mar 30, 2007 | 04:24 PM
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Default 2IS 6MT vs 1IS 5MT

I've been following all the threads about issues with the 2IS 6MT. So I wonder, how does it compare to the 5MT in the 1IS? Better, worse? Specifics please.
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Old Apr 6, 2007 | 08:04 PM
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No takers? I figured this one would have comments
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Old Apr 7, 2007 | 12:01 PM
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Neither is a stellar unit. The W-58 in the 1IS is no fine piece of work, and neither is the RA-62 in the 2IS. The W-58 is a hold over from the MkIII Supra, so it's been around a very long time. The RA-62 is a Tacoma gearbox with different ratios and one of the poorest designs I've ever seen for any gearbox.

If you want a point by point analysis, I can do that, but it's pretty much a case of neither unit is well made or intended to survive much over stock torque for any length of time. Neither holds a candle to the Getrag 233 in the TT Supra.
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Old Apr 7, 2007 | 03:39 PM
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Originally Posted by lobuxracer
Neither is a stellar unit. The W-58 in the 1IS is no fine piece of work, and neither is the RA-62 in the 2IS. The W-58 is a hold over from the MkIII Supra, so it's been around a very long time. The RA-62 is a Tacoma gearbox with different ratios and one of the poorest designs I've ever seen for any gearbox.

If you want a point by point analysis, I can do that, but it's pretty much a case of neither unit is well made or intended to survive much over stock torque for any length of time. Neither holds a candle to the Getrag 233 in the TT Supra.
so they're both crap??
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Old Apr 7, 2007 | 06:48 PM
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What the heck are you guys talking about???
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Old Apr 7, 2007 | 09:54 PM
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Originally Posted by linh811
so they're both crap??
IMHO, yes, they're both very weak and poorly thought out designs.
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