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1. #FORD ENGINE BLOCK SERIAL NUMBER IDENTIFICATION HOW TO#
2. #FORD ENGINE BLOCK SERIAL NUMBER IDENTIFICATION CODE#

In this example, even though the casting number reads “C5″, it doesn’t mean that the engine was made in 1965. The next set of numbers, “7C20”, indicate the date code. (The 289 was originally designed for the Ford Galaxie and the letters AE stayed on the engine block number even after other models were added to the lineup)Ħ015 = Designates an engineering number used by Ford.Į = Designates the location that the engine block was made.Įngine blocks were made in Detroit, Michigan and Windsor, Canada

#FORD ENGINE BLOCK SERIAL NUMBER IDENTIFICATION CODE#

Always look to the date code for the correct manufacture date.Ī = Designates the vehicle the engine was designed for.Ī = Galaxie D = Falcon F = made outside the USA G = Comet J = Industrial/Marine M = Mercury O = Fairlane P = Autolite or Motorcraft R = Rotunda S = Thunderbird T = Truck V = Lincoln Z = Mustang However, according to the date code, it was actually manufactured in 1964. One might think that “C5” indicates the engine block was made in 1965. The casting number “C5AE-6015-E” and the date code “4D17” show differing years of the engine block’s manufacture date. This is evident, for example, in a 1964 1/2 Mustang with a 289. Casting numbers were sometimes a year or two ahead of the block’s date of manufacture (sometimes they were even behind the date of manufacture). It is important to note: a more accurate date of when the engine was made is reflected in the date code which follows the casting number. Sample engine block number: “C5AE-6015-E 7C20”Ĭ – Designates the decade that the engine block was made.C = 1960’s D = 1970’s E = 1980’s and so onĥ – Designates the particular year that the engine block was made.ĥ = 1965 6 = 1966 7 = 1967 8 = 1968 9 = 1969 0 = 1970 Then we have broken these numbers down, explaining what each number and letter represent. You will find the casting number at this location.įor the purpose of explaining each individual letter and number, we have created asample engine block number and date code. Where to find the engine block numbers: look toward the back of the engine block on the right hand side, above the starter. How to decode your 1965-1970 Mustang engine block number Please remember to indicate below if this guide is helpful to you. This guide is written to help you determine what numbers to look for when accurately restoring your Mustang. The correct casting numbers ensure the Mustang is rebuilt to its original condition and has the correct numbers that would have been assigned at the factory years ago. Matching numbers are important to collectors.

#FORD ENGINE BLOCK SERIAL NUMBER IDENTIFICATION HOW TO#

Classic Mustang restorers who are looking to restore a vintage Mustang to concours condition will need to understand how to identify the casting number and date code number on an engine block.