Talked to former owner of this car today and he said this is a stamper that he had done.
This is the ad on Ocala, FL Craigslist: Selling a rare original gm 66 corvette 427 390 HP motor, std bore, casting 3855961 date I 6 5, code T1006IL vin 6102889, heads 3872702 dates I 2 5, I 10 5, intake 3866948, date L 2 5, holley carb 3882835-E0 list 3370, this was rebuilt 40 thousand miles ago, they put new piston L2300 in it with new stainless valves, need to be freshened up again, customer installed a new 502 motor, this has been sitting for many years. Asking 4000. Call 3522162273
194376S102889 or 194676S12889 possible VIN
This is the ad on Ocala, FL Craigslist: Selling a rare original gm 66 corvette 427 390 HP motor, std bore, casting 3855961 date I 6 5, code T1006IL vin 6102889, heads 3872702 dates I 2 5, I 10 5, intake 3866948, date L 2 5, holley carb 3882835-E0 list 3370, this was rebuilt 40 thousand miles ago, they put new piston L2300 in it with new stainless valves, need to be freshened up again, customer installed a new 502 motor, this has been sitting for many years. Asking 4000. Call 3522162273
194376S102889 or 194676S12889 possible VIN