Stretch...go check out my gallery. I did build mine from scratch with no holes and no bumpers, OR jacks on front or back since I didn't like the look either. I even shaved the light fixture off the trunk!!!
Authenticity, I spit on you...pshah...LOL. Of course, as a former Brit, I think this is how AC cars were supposed to look, and Shelby cluttered them up when he stole them from us...ROFL
Glyn