Editing AMC AMX (section)

===Super Stock AMX===
[[File:1969 AMC AMX SS Hurst at Kenosha show.jpg|thumb|right|1969 Super Stock AMX]]

AMC also introduced the Super Stock AMX. To maximize quarter-mile performance, the 390 engine was equipped with twin Holley carburetors and 12.3:1 compression-ratio cylinder heads, plus [[Aftermarket (automotive)|aftermarket]] ''Doug's'' headers and exhaust system, and the tires were drag slicks. [[Hurst Performance]] carried out several additional modifications.<ref>{{cite web|title=SS/AMX webpages|url= http://www.ssamx.com/index.html |first1=Mike |last1=Weaver |first2=George |last2=Gudat |quote=This site is dedicated to the old SS/AMX warriors... |access-date=5 February 2011}}</ref>

American Motors rated the car at {{convert|340|hp|kW|abbr=on}}, but the [[National Hot Rod Association]] (NHRA) rated it at {{convert|420|hp|kW}} and shuffled it among various competition classes that included SS/G and SS/D. The Super Stock AMXs were also put in SS/E class by NHRA based on the car's {{convert|3050|lb|kg|0|abbr=on}} weight and estimated {{convert|405|hp|kW|abbr=on}} and ultimately slotted into the SS/C class.<ref name="Shaw">{{cite web |last=Shaw |first=Tom |title=Incredibly Well Preserved Original 1969 AMC Super Stock AMX Has Just 23 Miles on the Odo |url= https://www.hotrod.com/articles/incredibly-well-preserved-original-1969-amc-super-stock-amx-has-just-23-miles-on-the-odo/ |publisher=Hot Rod |access-date=20 September 2020 |date=31 March 2016}}</ref>

Most of the cars were prepared and custom-painted by AMC dealers to be campaigned at big racing events where they ran in the low 11s on the tracks.<ref name="Shaw"/> The best recorded quarter-mile was 10.73 seconds at {{convert|128|mph|km/h|abbr=on}}.<ref name="howamx390">{{cite web|url= http://musclecars.howstuffworks.com/classic-muscle-cars/1969-amc-amx-390.htm |title=Classic Muscle Cars: 1969 AMC AMX 390|author=((Auto Editors of ''Consumer Guide'')) |website=howstuffworks.com |date=21 June 2007 |access-date=26 June 2010 |archive-date=29 April 2010 |archive-url= https://web.archive.org/web/20100429235451/http://musclecars.howstuffworks.com/classic-muscle-cars/1969-amc-amx-390.htm }}</ref>

The Super Stock AMX was meant for the race track and lacked comfort equipment such as a heater. The car could be ordered in all white or vertical bands of red, white, and blue, distinguishing numerous AMC competition cars of the day. The base price was $5,994, approximately $1,900 more than a fully loaded 1969 AMX. Moreover, the factory [[warranty]] was unavailable for these cars.<ref name="howamx390"/>

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