The smog cops (if applicable) will be angry, and make you change it back.
Fuel mileage will almost definitely suffer.
If the van was a slug before, expect it to be a dead slug with a 400M.
A modern diesel is still more cold-weather friendly than a carb'd 400M.
I'd bet it's not a bolt-in deal, and removal/installation of an engine in
a van is not fun under any circumstances..
If smog is not an issue and you are determined to move to a gas motor,
perhaps choosing a 385-series (Lima) big block, preferrably with factory
EFI, would be wiser.
On Fri, 21 Nov 2003 17:32:31 -0700, Unruh 1 wrote:
Right on. I recall someone having told me that later model fuelie heads
can pose a problem if you try to go the carb'd route. Presumably,
one cannot find a 4bbl manifold to mate to them; sounds fishy to me, but
then again I've never built a Lima (bit of a Chevy guy, myself), so it bears
checking up on. EFI is still desirable, of course, for economy and
Best of luck,
On Sun, 23 Nov 2003 20:53:16 -0700, Unruh 1 wrote:
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