I had seven or eight virgin 383 past the years, two was -71 (G) One 2bbl and one was a 4bbl both painted blue. All had forged cranks.

My match# 383 4bbl Non-HP for my -70 E-body ( N-code) Is painted blue, has HP manifold, 402 oil pan without vindage tray, Carter carb # 4736s. (G9)