engine identification

lambinowelding · 10-20-2005, 10:28 PM

I have a 71 cutlass supreme and am having a lot of trouble finding out what engine it has. The casting # is 550355 5 and the # stamped on the oil filler tube is 6627629. Any help with this would be greatly appreciated.

texasred · 10-21-2005, 04:12 AM

75-76 260? Definately not original.

C.J.

10-21-2005, 04:12 AM	#2 (permalink)
texasred Super Moderator Join Date: Apr 2004 Location: San Antonio, Texas Posts: 806	75-76 260? Definately not original. C.J. __________________ Home of the 1971 Cutlass Supreme convertible Super Karate Monkey Death Car.

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10-20-2005, 10:28 PM	#1 (permalink)
lambinowelding Junior Member Join Date: Oct 2005 Posts: 1	I have a 71 cutlass supreme and am having a lot of trouble finding out what engine it has. The casting # is 550355 5 and the # stamped on the oil filler tube is 6627629. Any help with this would be greatly appreciated.