The white stripe was an option so there weren't many made. 1,372 total (I think that includes shaker, non-shaker & all engine sizes) '70 Mach 1's had the white stripe option according to an article a few years ago in Mustang Monthly about a '70 Dark Ivy Green Metallic 428 shaker car. I believe up until Nov or Dec 1969 you could get the white stripe with any exterior color. After that time, the white stripe was only available for Black or Dark Ivy Green Metallic cars. The bowls - air cleaner bases - are different between engine 351 & 428, but I don't know about between 351C and 351W. The shaker is white except between the fins, that is still black according to a Mustang Monthly question where a NOS white shaker was shown with black between the fins. We just finished our '70 Mach 1 Dark Ivy Green Metallic, 351C, shaker, w/white stripe. We had it at a show and people were saying "I've never seen a white stripe" or "that's not right, they were all black."