No the 432 and 432R had the S20 engine. A completely different engine to the L-series engine. The block and head were completely different and not interchangeable.
The S20 was a straight 6 twin cam engine with 2.0 litre capacity. They were also fitted with Triple Weber carbs and the engine was rated at 160 PS.
The same engine was also found in the early skylines including the KPGC10 and KPGC110, it was a very successful race engine.
The L20 non turbo was found in the Fairlady Z S30 which was only sold in Japan.
The Fairlady 240zg HS30-H had the L24.
The later L20ET was used in the C210 skyline.