This 15-18 mpg gas mileage is definitely too low. I get about 27 mpg
highway with the triple stromberg setup, cam, headwork, etc. I'm
getting about 20 mpg city. When stock, I got about 30 mpg highway.
Last year my car started getting horrible gas mileage and running way
rich. I had the carbs rebuilt by Gary Martin, and apparently the jets
were worn out of round, causing rich mixture. Apparently wearing of
the jets can happen over 25 years of driving. Jim-I would get new jets
and needles in your carbs.
Tim Holbrook
1971 TR6
--- Btp44@aol.com wrote:
> From: Btp44@aol.com
> Date: Thu, 1 Jun 2000 19:10:13 EDT
> Subject: Re: FW: EFI on TR6??
> To: 6pack@autox.team.net
> Reply-to: Btp44@aol.com
>
> Jim- I know that there are a lot of factors affecting gas
> mileage-both
> car&driver, but 15-18 mpg seems pretty low. My experience seems to
> be about
> 18-20 in city driving and 28-30 on the freeway, cruising at 70 mph in
> OD. I
> have noticed that the metering needles on several carbs I have
> examined have
> a definite flat from rubbing against the jet. Unlike the
> pre-emission
> SU&Zen.Stromberg carbs, the needles do not "float " in the jets, but
> are
> spring loaded to actually contact the jet. This results in wear to
> both the
> needle&jet, causing the mixture to become progressively richer. What
> do you
> think Dr. Taylor, could this be the cause of poor gas mileage on cars
> that
> are still running on the original needle&jet? Berry
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