Is that even possible??? -38 mpg out of a 2.0 N/A 740 Estate

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Is that even possible??? -38 mpg out of a 2.0 N/A 740 Estate

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Is that even possible??? -38 mpg out of a 2.0 N/A 740 Estate

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Feb 15th, 2019, 18:15

#20

Laird Scooby

Premier Member

Last Online: Yesterday 12:22

Join Date: May 2012

Location: Lakenheath

[QUOTE=Ian21401;2495970]

Quote:

Originally Posted by Laird Scooby

Big engine, light car, engine doesn't have to work too hard so economy is generally better.

Smaller engine generally has to work harder so uses as much.Maybe the carbs needed balancing on the TC Sptifire powered Herald - i remember one of my V* SD1s dropped to about 18mpg because the carbs neeeded balancing.

I balanced the carbs by ear with the sports air cleaners removed and listening to each carb with a length of pipe and funnel pressed to my ear. Only way I knew at the time.

I tried that way originally and made things worse - i used a Gunsons Carbalancer on my V8s and other TC cars i owned/tuned.

https://www.ebay.co.uk/itm/Gunson-Ca...r/170897369733

About the only way to get it right as you can actually see what the carbs are doing.

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Dave

Next Door to Top-Gun with a Honda CR-V & S Type Jag

Volvo gone but not forgotten........

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