Date research collected by a member over at Nasty Z-28
http://nastyz28.com/threads/ac-fuel-...h-data.207770/
Fuel Pump Information
AC crimped type pumps (non-rebuildable)
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"FF40433" (June 1966), Early 1967 Corvette (VIN # 183)
"HH40669" (Aug. 1968), 1969 Camaro Z28, "V0912DZ" (Sept. 12, 1968)
"AI40503" (Jan. 1969), Service pump for 67 Corvette
"DI40658" (April 1967), Pump from my non-original 1966 Corvette engine. Possibly from an "early" 1967 Camaro as pump # 5656858 was replaced by # 6440524 as per 1967 Camaro AIM (revision record, 2/1/67).
"FG40433" (June 1967). Original pump on 1967 Corvette 327, VIN # 22049, engine dated June 29, 1967.
"CG40433" (Mar. 1967), Believed to be an original 1967 Corvette 327 pump from a friend on mine in Richmond, VA.
"LH40709" (Dec. 1968), Seems a bit too early for a 1970 LT1. "V0114CTU" (Jan. 14, 1970).
"JI40777" (Oct. 1969), 1970 Camaro SS350, March 26, 1970 engine date (Nasty Z28 website).
"DJ40726" (Apr. 1970), Original pump from 1970 Z28 made in Apr. 1970 (Nasty Z28 website).
"DJ40726" (Apr. 1970), from 1970 Z28 (Nasty Z28 website).
"?J40726" (???, 1970), from a 1970 Z28 made in Feb. 1970 (Nasty Z28 website).
"LI40726" (Dec. 1969), from a 1970 Z28 (Nasty Z28 website).
"LH40709 (Dec. 1968), Seems a bit too early for a 1970 engine stamped "V0702CTK" (July 2, 1970)
"8K40709" (8th day of 1971), 1071 LT1 eng. "V330CGZ"
(Mar. 30, 1971)
"19K40770" (19th day of 1971), 1971 LS6 "T0227CPW" (Feb. 27, 1971).
"219K40956" (219th day of 1971), 1972 Coupe (May 10, 1972).
"215K40769" (215th day of 1971), Seems a bit late for a
1971 eng. "V1201CJK" (Dec. 01, 1970).
"197J40726" (197th day of 1970), from 1970 Z28 (Nasty Z28 website).
"229K40956", (229th day of 1971 or Aug. 18, 1971), from 1972 Corvette LT1 engine.