Quote:
Originally Posted by coronado
It's nice to see the interest/info gathered about these classic boats. I think that seeing and hearing these beauties on the lake is priceless. But what also makes me cherrish these boats are the memories created on the lake years ago that still are carried on to this day. Who raced who, who had what for power etc. Who, while leaving the town docks (after one too many cocktails) backed into a large cruiser, causing a scene. It's all too funny and one of the reasons that folks who were lucky enough to grow up on the lake should never take it for granted.
All that being said... I have a 58 in my garage. It has the 354 Hemi motor which has a yellow cautionary decal on the valve cover that states it has sodium filled valves. Hope this helps.....
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Based on the optional engines tables in the Century Boat Club site:
http://centuryboatclub.com/centuryengines1942-1968.htm
Both Chrysler V8 engines offered in 1958 were 354 Hemis. One was 225 HP and the other was 275 HP. I'd guess the sodium cooled valves were in the 275 HP motor.
NB
EDIT: Here is some pictures of the Chrysler 300C engine for 1957. Notice the Distinctive shaped valve covers. They do not look like Ford or Chevy or Buick valve covers. The pictured engine has TWO Carburetters with seperate air filters. In a boat, the air filters would be replaced by the little square "Flame Arresters" as shown in the lower picture.
http://en.wikipedia.org/wiki/Chrysler_Hemi_engine