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The plate was used to make the engine 2 litre using the original lotus block but you could also achieve it using the later, taller blocks, an 84mm stroke crank and 90mm bores. This does need liners but works well and produces a far more reliable engine than one usingbthe plate. Holbay and Novamotor both produced 2 litre engines in period. Neil Brown may have also done them. Some tuners stuck to carbs and others went for injection. These engines fell out of favour during 75 and into 76 as the Toyota based engine, whilst being heavier, produced both better power and torque. I raced my Van Diemen GRD with a 2 litre twin cam as that was what it used in period. It's original engine was a Holbay unit.
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