01-24-2020, 01:41 AM

pont406

Ultimate Warrior

Join Date: Jan 2000

Location: indiana usa

Posts: 1,671

SR Service replacement block number

I was wondering if anyone knows what the numbers after the "SR" stamped on the front of the block mean? a part number? or just a casting sequence number?, I know its not the casting date or block casting number as they are in the normal locations

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1966 Lemans, 3700Lbs, 406 ci, #96 Heads, Crane 467/494 cam, RPM Intake, Q-Jet, 11 inch Converter, 3:90 gears, 3 inch exhaust, Best ET 12.62@107 MPH 414ci shortblock coming soon!

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