[Richard (EV8G)]

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Wide 5 Hubs/Drums 1936-1939:

1936 FRONTS have the drum/shoe surface offset 1" inward, so cannot be used with Ford/Merc/Lockheed hydraulic brakes. When converting 36's to these brakes, must use 37-39 fronts. 36 fronts CAN be used with 39-40 "deep" Lincoln-Bendix on 36 spindles by also using a special kingpin/bearing kit that eliminates the "socket" at the top and relocates the bearing/load to the bottom of the axle by using special thin thrust bearings.

1936 REARS have the same offset as 37-39 REARS and can be used with hydraulic brakes.

1937-39 FRONTS and REARS have the same offset as 39's and therefore can be
used with hydraulic brakes. Note that there are "one piece" and "two piece" hubs/drums and most or all 36 rears and some 37 rears use the larger rear grease seal.

To convert a 36 from "Wide 5" to "5-on-5-1/2" need to replace all 4 hubs/drums with 40-48's; note that there are variations within those years. IF using the 39-40 "deep" Lincoln-Bendix mentioned above, or if still using mechanical brakes, can use 35 FRONTS (and rears) but note that if not using wire wheels, the (5) "stands" on the inside of the bolt circle must be machined down to the same level as outside the bolt circle so that the drum mounting surface is FLAT. (In the past, there have been spacers available that install on the OUTSIDE of the bolt circle, but doing that reduces the threads available for the lug nuts = unsafe condition.)

To convert a 37-39 to "5-on-5-1/2", can replace all 4 drums with 40-48's; there are variations within those years.