RE: “Rich Armistead’s Honda CRX Recall Story”:(You can find the above story on June 1, 2008 with a Google search in the Kalamazoo Gezette, near Detroit.) After reading my younger brother’s gasoline mileage story, very carefully, and correcting my own thoughts: I’ve concluded that his old…

https://fuel-efficient-vehicles.org/energy-news/?page_id=787

Back in the day, when I had 3 CRX’s and was active in the scene, the HF guys were regularly getting in the mid 40’s to mid-50’s. A couple did report 70mpg on the highway, but they were also dopes who tailgated semis and did other “hypermiling” shenanigans like coasting down hills, slowing down to da…

[image] shadowfax: [image] NYBo: Fuel economy decreases at high temperatures, so, yes, I doubt you. Other way 'round. Nope. Cooler air is denser. This is why normally aspirated engines lose power and efficiency as altitude increases. The sweet spot is in the upper 50s/lower 60s degrees…

[image] NYBo: Nope. Cooler air is denser. This is why normally aspirated engines lose power and efficiency as altitude increases. The sweet spot is in the upper 50s/lower 60s degrees Fahrenheit. Fuel Economy in Hot Weather Find out how hot weather affects fuel economy and what yo…

Winter temperatures induce there own set of fuel-robbing areas. That’s why the optimum temperature is well above freezing. This doesn’t include frequent short trips when a lot of the energy in the gas is wasted bringing the engine up to operating temperature. Remember, these replies are to someone w…

[image] bcohen2010: I think it would be possible with current technology to build a lightweight (by today’s standards) car with a 100 to 120 hp 4-cylinder engine and 4-speed automatic transmission, which could achieve 40-50 mpg in mixed city and highway driving It has been done with 63 hp Kei…

[image] NYBo: maximum efficiency occurs at moderate temps. It occurs at higher temps for the reasons the government listed. Additionally, as you said, higher temps involve lower air density, which means less air is being drawn into the cylinders and as a result, less fuel is being sprayed int…

BTW, anyone happen to know why the ‘84 CRXs were recalled? What change to the vehicle was made? The only recall I could find was for the hood latch. In 1988 there was a recall for after market fuel pumps.

[image] Purebred: anyone happen to know why the ‘84 CRXs were recalled? I believe that it was a conspiracy between Honda and the major oil companies, to alter the car so that it would get worse gas mileage. :smirk:

Did all 1984 Honda CRX's get 70 mpg before they were recalled?

Maintenance/Repairs

Purebred August 9, 2021, 2:30pm 78

Yep, just like the oil companies buying the patents of the carburetors that provided 110MPG in the early 60s.
Another urban myth.

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Did all 1984 Honda CRX's get 70 mpg before they were recalled?

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