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Re: What ended the flathead engine?
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Posted by Mike (WA) on July 23, 2007 at 09:20:25 from (69.10.197.227):
In Reply to: What ended the flathead engine? posted by Sunny 4 acres on July 22, 2007 at 18:52:30:
Of course, no discussion of flatheads would be complete without mention of the mighty Hudson Hornet. Hudson came out with a 308 cubic inch flathead 6 in 1951, with dual carbs (and an optional "7X Severe Usage" package that arguably made it the first "muscle car"). Hudson simply ate everybody's lunch on the NASCAR circuit until 1954 (including the Oldsmobiles). Probably a combination of the engine, and the low and wide car itself- the V8's were competitive on the straight stretch, but the Hudsons were far superior on the turns. The first performance modification is to make it breath better- with porting and releiving around the valves, headers, cam, etc. The valve cooling problem is solved by an innovative water manifold that channels the coolest water directly to the exhaust valve area. Hudson still has a huge following, with a very active national club with local chapters, and a bunch of us are still running those old flatheads at 75 down the freeway, and loving it.
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