Fast Marina Magazine

TriumphExperience, Sideways Motorsports, and The Triumph Sports Six Club (TSSC) all have Spitfire forums that deal with rebuilds of the single-rail gearbox used in the Marina/Ital.

Don"t forget the MG Midget, 1975-1979. Due to rationalization, it had the same basic engine, and same trans as the Spitfire(no OD option tho). Rationalization, is that a Brit euphamism?

This is third-hand information, but if you pore-through the lists from the parts retailers, they specify for the spitfire & TR-7 to count the number of teeth on the gears. This is from the Marina-sourced single-rail, it's because the early TR-7 used the Spit's box, that didn't go well (the 7's 2L ...