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Re: 4.3 v6 ????
I had a TBI version of the 4.3 in my 1991 G van. It got a solid 15 mpg all day long. Maybe I could get 17 if I behaved, but rarely. It pulled my 1500 lb camper ok. Didn't like hills, but would pull the camper at 65 all day. It is not a powerhouse nor a fuel miser. But a good engine. One thing to consider is their inherent vibration issues. It can be annoying at stop lights if you live in the city.
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