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Spitfire What Gearbox are you using. Spitfire / Midget 1500


Senior Member
Hi Guys,
I am building myself a track Midget 1500 but appear to have hit a bit of a wall when it comes to the gearbox.
Engine wise, for anything performance i have had to ring companies in the US as the UK do not seem that keen on the Triumph engine. We build a lot of performance A-Series engines at work but fancied a change, and cannot wait to get the Midget out.

My question, have any of you built a performance 1500, if so, what gearboxes, or gear sets did you use?
If it was a road build i would go the Ford 5-Speed route as we have with the A-Series, but with this being a track car i am keen to keep it a 4 speed.

Just curious to see what is available and if you have any experiences yourselves?

Many thanks,

I would suggest quantum mechanics.com. They specialize in transmissions and rear ends. They should be able to help you.
Tom S.
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