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The mkiv Supra Owners Club

W58 and R154 Differences


d-_-b

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Some photos of the differences between the W58 and R154 transmissions and their associated hardware. NOTE: some things not pictured. Here is the listing of all the support parts that are different from the R154 to the W58:

 

> Trans

> Clutch setup

--- flywheel

--- pressure plate

--- throw out bearing

--- release fork

--- slave cylinder

--- slave cylinder soft line

--- NOTE: W58/R154 clutch discs are the SAME!

 

> Trans crossmember

> Driver's side trans->engine support bracket

> Lower inspection cover

> Driveshaft (R154 shaft is shorter w/diff input spline setup)

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an external shot of the two, R154 on the left.

image

 

the difference in thickness of the flywheels, R154 on the right.

image

 

the two brackets again, R154 on the right.

image

 

comparison of the two flywheels, R154 on the right. (fidanza flywheels)

image

 

the driver's side trans support bracket is slightly different for the R154.

image

 

the trans crossmember is different for the two transmissions, R154 on top (IIRC).

image

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