When AMC came out with the new styled 71 Javelin, it was a love'it or hate'it fender-well style.
I attended many of the old SCCA Trans-American Sedan Pony Car races back in the 60's--early 70's, and was quite an AMC fan at the time.
The 71 styled fender-wells went beautifully with the Penske Trans-Am Javelins as the cars were lowered, and the rubber inside those fender-wells filled those fender humps nicely.
On the stock, "Joe Customer" side, the tires/wheels that came as standard and even optioned were I believe E-60 profiled bias belts, and were just too small for that size opening.
By far, I think that Dick Teague was one of the best automotive designer/stylist of his time for AMC......Never the less, the 71 through 74 Javelin/AMX fender-well needed bigger rubber to look the part.
I still wouldn't mind getting my hands on a 1971-72 Javelin/AMX as the smog idiots in California and D.C. hadn't robbed those years of engine driveability and power.
I owned a 68 AMX with a 4xx production number on the glove box. It had the full "Go Package" with the a 4 speed, and the very nice AMC 390 cid V8. Only a little over 17,000 two seater AMX's were built from 1968-70. I sold that car for $2,000.00 in 1983.
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If your gonna build big fender-wells, you gotta fill'em with lots of rubber or they look real lame, IMO.