R154 vs W58 differences
One of the most asked questions in the A70 community is about the differences between the R154 found in the turbo MK3 Supra and the W58, found mostly in the nonturbo variants of the supra.
Apart from being weaker than its counterpart, what else makes the W58 different from the R154?
Shifter housing differences
In the image: R154 shifter on the left, W58 on the right.
Differences as seen from the top
In the image: R154 on the bottom, W58 on the above.
In the image: R154 on the bottom, W58 on the above.
In the image: R154 on the top, W58 on the bottom.
Front and back differences
In the image: R154 front pattern
In the image: W58 front pattern
In the image: W58 rear-end.
In the image: R154 rear-end.
Sandwich plate differences
In the image: W58 width @ sandwich plate ~8.5″ (~21,6 cm)
In the image: R154 width @ sandwich plate ~9.5″ (~24,15 cm)
Total length differences
In the image: W58 overall length (from bellhousing mounting face) ~22.25″ (~56,52 cm)
In the image: R154 overall length (from bellhousing mounting face) ~22.25″ (~56,52 cm)
Input shaft differences
In the image: W58 input shaft length ~6.0″ (~15,3 cm)
In the image: R154 input shaft length ~6.75″ (~17,15cm)
Bellhouse differences
In the image: Bellhousing of the W58 on the left, R154 on the right.
In the image: Bellhousing of the W58 on the left, R154 on the right.
In the image: Bellhousing of the W58 on top, R154 on the bottom