From what I can remember there is no physical difference so no way to tell.

I would think 318 A/C and 340 cars would all use the 8 vane impeller water pump?


1970 FE5 Duster 360/904/3.91's SOLD 1973 TB3 SpaceDuster 340/4spd/4.10's SOLD Moparless for now but when the opportunity is right I'll have another one.