A230 gears info

The 230 has a different bolt pattern for the bell housing than the 833.

The 1970 up V-8 bells have the dual pattern though.

The trucks also used the 230, larger diameter front bearing retainer though and while these share the same bell housing as the 4-speed 435, once again the bells have bolt patterns for both.

Small bearing retainer on a 230 - /6 & small block.

Larger retainer for big block car applications.

Largest retainer on truck applications.