[BFix] replacing 170 with a 200? 4.0??

[Quinn Dusenberry]

I wasn't particularly loaded down, but I was driving fairly fast. I was
probably holding about 75 mph for the trip. The one thing that might be
killing my mileage is the 33" tires. I did factor in the speedo correction
when I reported the 14 mph, btw. It was just over 12 mph without taking that
into account. I did put in some Lucas fuel injector cleaner. I may try some
spark plugs next and maybe take a look at the air filter.

 

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From: bfix-bounces at broncofix.com [mailto:bfix-bounces at broncofix.com] On
Behalf Of RussellKA001 at aol.com
Sent: Friday, May 02, 2008 9:46 AM
To: mail at broncofix.com
Subject: Re: [BFix] replacing 170 with a 200? 4.0??

 

Quinn,

    I sold my 97 Explorer last year. I also had the 4.0. I got 19 mpg on
highway trips regularly and about 15.5 mpg in combo driving. You must have
been seriously loaded down or really hauling the mail! The only time I got
mileage that bad was when I towed my boat with it. Then I got about 13. The
only changes I made over stock was a K&N cone air filter with the intake
tube and a Borla exhaust. That did help my mileage but I really didn't like
the 6 cylinder drone with that exhaust. You really had to turn up the stereo
or change rpms to get the resonate frequency to stop. 

 

Karl Russell
'69, '74, '74 trail rig Broncos
ECBR #2351
Broncohio #33
TKO Trailriders #109





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