Re: Mobil Economy Run: Specific Packard results?

Posted by PackardV8 On 2015/3/26 21:19:41

Just about ANY engine of the pre e-ignition era can obtain much better gas mileage by lighter springs in distributor advance and jet the carb smaller and drop the float about 1/32". Run one heat range hotter on the spark plugs.
That will pick up at least 2 mpg more if not 4 mpg more but will mostly apply to hiway gas mileage.

I'd like to try it on my 56 Exec but just not compelled to research it at this time.