Thread: 427 Block Identification
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Old 02-16-2026, 12:27 PM
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Cobra Make, Engine: SPF1439 427FE s.o.
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Now that I read the entire thread - I found this below the oil filter block. I believe it's 2L25 - so 11/25/72. Any input? Doug - did you post your block in the pics above? It appears your date is 12/2/72 - a week or so after my block. LOL
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Superformance 1439 w/427FE side-oiler. 2007 GT500 40th Anniversary CSM07XL0078. 2007 GT500 40th Anniversary CSM07XL0085.
Last edited by NoVA Cobra; 02-16-2026 at 01:03 PM..
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