Unmodified 1931 rear radius rod length
- Thread starter Hoffman
- Start date
Joe K
Well-known member
Hole to hole (Torque Tube bolt hole to backing plate bolt hole) is 56-1/2.
This was measured on a 30-31 pattern radius rod - but 28-29 should be the same.
Early 28 (no Ebrake) should be similar but I don't have one of those to measure.
Sounds like someone was headed towards "hot rod" application with the radius rod tied to a pivot on the frame.
Google AI filled in my knowledge gap of this. Use search term "Hot rod radius rod pivots on frame" and you'll get many paragraphs describing two and four bar suspension and some comparison of each.
Joe K
This was measured on a 30-31 pattern radius rod - but 28-29 should be the same.
Early 28 (no Ebrake) should be similar but I don't have one of those to measure.
Sounds like someone was headed towards "hot rod" application with the radius rod tied to a pivot on the frame.
Google AI filled in my knowledge gap of this. Use search term "Hot rod radius rod pivots on frame" and you'll get many paragraphs describing two and four bar suspension and some comparison of each.
Joe K
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