Well, the sites offer stencil kits - thus, providing the dimensions...

Yet another $.02 worth from a proud owner of a 1970 Mach 1 351C @
http://community.webshots.com/album/18644819fHAehGJAjt

Albert Einstein wrote:
> I am having stripes painted on my Mach, and cant use the stripe kits.
> If anyone has the dimensions and can forward them, I would greatly
> appreciate it!
> On Sat, 08 Jan 2005 10:27:59 -0500, "Grover C. McCoury III"
> > wrote:
>
>
>>Albert Einstein wrote:
>>
>>>Does anyone have the correct dimensions for both the hood stripes
>>>(non-shaker) and the trunk stripes? I would greatly appreciate any
>>>input!
>>>Mark
>>
>>FYI: Check out the following links for stencils:
>>
>>http://www.stencilsandstripes.com/pr_must_Mach1.asp
>>http://www.graphic-express.com/ford_70_mach1.htm