Quote:
Originally Posted by mike the snake
I've been reading up on gearboxes and the R154 looks to me like a very good candidate as long as you're willing to live with 5 speeds.
For big power turbo applications it might even be better than 6 speeds. I haven't checked the gear spacing, but I know 6th on our OEM boxes is just an overdrive that I don't think would be used at most tracks.
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I would get a rebuild on an R154 anyway, most rebuilders say the thrust washers are what most fail on since they're cast.
For $1600 the rebuild from jacks transmission looks to be a good working over. Total all in $3-3500 for a beefed up R154? Yes please.
http://www.jackstransmissions.com/pr...e-3-supra-r154
First- 3.251:1
Second- 1.955:1
Third- 1.310:1
Fourth- 1.000:1
Fifth- 0.753:1
Thats your spacing
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Last edited by cdrazic93; 12-03-2014 at 03:20 PM.
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