The stainless capped ones shown as "originals" are the low crown 74 up lug nut... (the first mention I have found them is in the Spring of 1973 with the turbine wheel parts list in the Camaro Assembly manual -the wheel I believe was actually introduced in 1974.)
The inline tube lugs are closer (in appearance - not at all technically) to the original GM open faced lug nuts than any of the capped ones which are currently available.
Chuck's photo illustrates the difference -
I have researched the correct lugs extensively as I have been tinkering with reproducing them (original tall crown crimped on stainless caps) and have submitted the technical drawings and specs to a couple of manufacturers in the last few months for quotes so we shall see...
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~JAG~
NCRS#65120
68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car
#21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built.
71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist.
NUMEROUS Lemans blue Camaros,
Monza Red and Daytona Yellow Corvettes
& a Chevelle or two...
Survivors, restored cars, & other photos
https://picasaweb.google.com/lh/myphotos
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