A 1931 "Ulster" at the 1997 VSCC Prescott Hillclimb and the authors Ulster

An Ulster supercharger assembly and the engine of the red car above. This car has a VW distributor and coil conversion, a high compression head, a larger than normal supercharger which is also geared up and blows at 13 psi., the effective compression ratio being about 9.75:1.......

Side view showing correct proportions, from an official advert.

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