engine identification

lambinowelding · October 20th, 2005, 11:28 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 · October 21st, 2005, 05:12 AM

75-76 260? Definately not original.

C.J.

October 21st, 2005, 05:12 AM	#2 (permalink)
texasred Tom Servo's Stunt Double Join Date: Apr 2004 Location: San Antonio, Texas Posts: 824	75-76 260? Definately not original. C.J. __________________ Dad said, "Sometimes you read Job...sometimes you ARE Job!"

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October 20th, 2005, 11:28 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.