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Old 10-26-2013, 10:29 PM   #14 (permalink)
XYZ
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Quote:
Originally Posted by 101Volts View Post
Some 1994 Chevy Caprice Wagons came with that 4.3 Litre motor stock but only for that model year. They are the most fuel-efficient full-size whale-type station wagon I could find specs for, They do get higher FE than the 5.7 Litre and 5.0 Litre models at least not loaded (Though the 5.0 Motor wasn't an option for 1994 Caprice wagons) according to Automobile.Catalog.com, But my Father knows a man who had a 1994 Caprice Wagon with the 4.3 motor and the motor blew last year or this year, The man was planning to keep the wagon until he died too but YMMV; I don't know how he treated the car.

The link below is to a website that has performance data and fuel economy data for the 1991-1996 Caprice wagons.

Chevrolet (USA) Full-Size 10gen data index



I like that underlined quote, But higher FE than that is possible if a person swaps a Diesel in, I think; The 1984 and 1985 GM Diesel Wagons (The Boxy ones with a CD of 0.5 or so) were rated to get 26 MPG HWY, But I can't vouch for the durability of the engine. The 1991-1996 Whale wagons have a CD of 0.35 according to what I read, So they aren't as draggy.
What will it cost you to do the engine swap?

How much fuel will you save by doing it?

Will you re-coup the expense of the engine swap?

Or is this proposal more ideological than economic?

These are things to consider.