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fujioko · 01-28-2012, 11:01 AM

Hi,

The Suzuki G10 3 cylinder and a Samurai transmission is small enough to fit in a Spitfire, however the intake manifold might be a problem.

I also own a Triumph Spitfire and I kicked this idea around for a while. I'm pretty sure you'll see a 200 pound weight reduction with the swap.

I ended up putting a G10 engine in a Mazda Miata... a significantly heavier car.
The performance is certainty slower but the fuel economy is awesome.

I get 45 + MPG real world driving and can squeeze out over 50 MPG with modified driving.

I drive the G10 Miata regularly and I'm still experimenting with mods to improve real world fuel economy.

01-28-2012, 11:01 AM	#11 (permalink)
fujioko EcoModding Lurker Join Date: Jan 2012 Location: Jackson, Michigan Posts: 57 Thanks: 1 Thanked 63 Times in 22 Posts	Hi, The Suzuki G10 3 cylinder and a Samurai transmission is small enough to fit in a Spitfire, however the intake manifold might be a problem. I also own a Triumph Spitfire and I kicked this idea around for a while. I'm pretty sure you'll see a 200 pound weight reduction with the swap. I ended up putting a G10 engine in a Mazda Miata... a significantly heavier car. The performance is certainty slower but the fuel economy is awesome. I get 45 + MPG real world driving and can squeeze out over 50 MPG with modified driving. I drive the G10 Miata regularly and I'm still experimenting with mods to improve real world fuel economy.