Second what Charley said, the repro is typically narrower than GM. In addition, the repro hood's "arch", from the front to back, is typically too tight, making the hood's side edges typically higher in profile than the fenders, in the middle, when viewed from the sides...It is possible with creative application of force to "de-arch" the repro hoods..
Anyways...750 would not be a stretch if the hood is real good shape NOS. -R
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1969 Camaro/ Tom Nelson TT 434 / Wayne Due C5 / DSE QLink / and a bunch of other stuff...