yeah that sounds about right. I've gotten 29 mpg at highway speeds, stock type
stainless exhaust (single exhaust 1969 TR6))Piper 270 cam, 9.5:1 compression,
three ZS carbs, A type OD higher reduction than stock. my in town mileage is a
little worse than yours.
Richard Seaton
> From: dcmdcm@nc.rr.com
> Date: Tue, 9 Aug 2011 15:41:24 -0400
> To: 6pack@autox.team.net
> Subject: Re: [6pack] It can be don
>
> Wellp ... I got about 25+mpg at freeway speeds (70-75-ish) and about 30mpg
at
> backroads speeds (50-60-ish). My usual hotfootin' around home gets about
> 23-25mpg. All mileage is top-down. I shaved the head .090" to get some
> compression back, premium gas, added modern air filters and electronic
> ignition, and removed some thermal anti-pollution vacuum hoses, but
> mechanically the rest is pretty standard. Not sure what it should be, but
I'm
> not interested in optimizing mileage. I found that proper wheel alignment
> (front and rear) with 205 tires makes a real gas-mileage difference!
> Runnin' pretty well, now, so I'm welding everything in place.
>
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