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unusual facts about Triumph Slant-4 engine


Triumph Slant-4 engine

Ricardo was involved in developing a new engine for Saab, for use in their new 99 model.


Straight engine

SAAB initially used the Triumph Slant-4 engine tilted at 45 degrees for the Saab 99, but later versions of the engine were less tilted.

Vauxhall Slant-4 engine

It is said that when Vauxhall unveiled its new slant-four engine at the 1966 Earls Court Motor Show its bore centers were exactly the same as those proposed by Lotus for their new all-alloy engine.

Unveiled in 1966, it was one of the first production overhead camshaft designs to use a rubber toothed belt to drive the camshaft from the crankshaft (an honor shared with the 1966 Pontiac OHC Six, and also the Fiat DOHC engine of 1966), a method developed in 1956 by Bill Devin.


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