That's just what a customer of Jesse Robinson's SKMFX Engines did when he spied an R3 Mopar Performance block on offer for ... by a standard Melling oil pump, while a stock truck oil pan runs ...

with priority main oiling and a unique oil-pump pickup arrangement routing oil from an external line to feed a standard big-block Mopar-style oil pump from a passage at the front of the block.

We dyno test a worked over 440 big-block Mopar Wedge street engine at Westech Performace. This pump-gas mill is going into a 1968 Charger and with this much torque it will be a fun ride indeed.

After the oil ... big block were also kept alive through that point, including the popular 383 and 400 cubic inch forms. By then, cast crankshafts had replaced the earlier forged versions ...