Triton V4

On the upstairs balcony there was a tiny corner given over to the Triton Owners' Club, where pride of place went to Mike Wallis and his incredible V4 Triton.

The engine is made out of a pair of 6T Triumph pre-unit engines, cut and shut at 90 degrees on a single 180-degree crankshaft with two nine-stud top ends, with the rear head reversed. The barrels are cast alloy with spun cast iron liners while the con rods are two v-configured master/slave specials with two small ends and one big end.

Carburation is from two monobloc Amals, chosen for their simplicity. A standard camshaft pinion drives two idler pinions, which in turn drives two cam pinions. The oil tank is situated in front and below the front of the engine, and the precious lubricant is sent round the engine by a Morgo pump which is more than up to the job.

Mike says the setting of the ignition timing has been a challenge, simply because of the complexity and he's considering creating a trigger that operates off the tappets. As it stands it uses an Ignitech four-channel digital system. The engine is a tight squeeze and much of the motor had be assembled inside the frame. He says that around

130 fasteners, nuts and bolts need to be removed to get the motor out. The Triton has been under construction for 19 years and has covered the equivalent of 20 miles or so on a dynamometer.