How to tell what gearbox you have Redtop

[bbutl86]

Just wanted to Know how to tell what greabox I've got f16 f20 ect and how to tell a early type from a late type engine it has a coscast head thanks for reading.

[pie]

the box will be stamped f16/f20 etc

early xe dizzy
late xe coilpack

[dyl rhino]

its stamped where selector arm comes out of the top of the box. hope it helps:)

[bbutl86]

F20 and dizzy on front of head many thanks can get parts now thanks again