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· Registered
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642 Posts
Discussion Starter · #1 ·
Hi,
I was curious about the transmission on the 5speed 1J Supra, how much HP can it withstand. I mean can it deal with 500 rwhp or is that oushing it.

Thanks
 

· Banned
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5,915 Posts
I assume you are speaking of the R154.

I'm pretty sure a very good condition R154 could handle 500.
 

· It might run right......?
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2,105 Posts
a v160 in an mk3 is a bad idea u loose gearing as for the r154 they are beast only real issue they have is syncros wearing out and those are fixable 500hp shouldnt even phase it unless it just wore slam out or has a problem already
 

· Supra Hoarder...
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1,006 Posts
its the same tranny as the 7MGTE turbo, minus the bellhousing, so sourcing a replacement shouldn't be a problem.
 
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