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View Full Version : Can anyone ID this suffix Code

firstgenaddict
04-20-2005, 11:26 PM
Block Suffix Code IL
Mr. T
04-20-2005, 11:33 PM
66-68 Vette, 427, 390hp, 4 speed, hyd lifters, 4 brl
69 Passenger,350, 255hp, manual, 2brl, police
firstgenaddict
04-20-2005, 11:37 PM
Thanks
Went to look at a Original LS6 with 22,000 miles a few minutes ago and this is the motor in the thing... and someone got crazy on the stamp pad with a die grinder and the ole mans number punches.