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**Clyde65** · 09-14-2017, 08:34 PM

I've had three 455's and I got 10mpg once....long drive, 55mph and I baby'd it to 55.

The others would not have gotten 10mph in the bed of a Datsun truck going down hill for 100 miles!!

09-14-2017, 08:34 PM	#15
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,539	Re: 73' Olds 455. I've had three 455's and I got 10mpg once....long drive, 55mph and I baby'd it to 55. The others would not have gotten 10mph in the bed of a Datsun truck going down hill for 100 miles!! __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*