Author Topic: Gas mileage 6 cyl  (Read 3993 times)

427-KING

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Gas mileage 6 cyl
« on: January 10, 2011, 10:52:44 PM »
What are you guys getting for gas mileage with the various 6 cyl engines w/ and wo auto trans.

stovebolt

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  • 1968 L6 Sport Coupe
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Re: Gas mileage 6 cyl
« Reply #1 on: January 13, 2011, 01:17:46 AM »
230 cu. in. L6, 3 speed manual, 3.08 differential - 25 mpg at 60 mph.

RAfbody

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Re: Gas mileage 6 cyl
« Reply #2 on: January 13, 2011, 02:23:31 AM »
Not a 6 cylinder but my 327/210 PG with 3.08's gets 19 mpg on the interstate.
Russ

daldon

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Re: Gas mileage 6 cyl
« Reply #3 on: February 03, 2012, 01:15:23 AM »
I have a 69 350/2bbl carb. with automatic - get 19 mpg on interstate.

TimL68

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Re: Gas mileage 6 cyl
« Reply #4 on: January 21, 2018, 03:46:28 PM »
'68 Convertible - 250 / Saginaw 3-speed / 3.55:1 gears. Best so far is 19 around town, 22 on highway running 65.
'68 8L330177 L22/M11 options (250/155hp, 3-speed floor)
NCRS report: built 02/21/68
Dealership: Rudolph Chevrolet Inc. El Paso, TX
Looking for any build information or documentation.

169INDY

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Re: Gas mileage 6 cyl
« Reply #5 on: January 21, 2018, 06:06:07 PM »
These MPG are great, Been a LONG time since I had my 67 (230c/I) sixer' they sound correct.
Sold mine in 1984.  Economy with style.

Jim
Jim
68 SS/RS L35 Th-400 LOS
69 Pace Car L48 Th-350 LOS
68 Z28 M21 LOS