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White Fargo
But Jimmie, he shouldn`t have to re engineer the vehicle, it was working fine and I guess there are many more running around that are ok. If I remember there wasn`t much difference between the rad and block temp so a better pump would just be distributing hot water faster. I would take my lazer guage and hunt down a few chevies and see if it is indeed abnormal (Trey said it is). No point in buying expensive stuff when thet were designed to run with what they got,, Sorry, just the old dealership dude coming out in me

Okay, I'd rather not reply, but I guess it's necessary. I owned several 60's to 70's GM's: Pontiac, Oldsmobile & Cadillac. There's a few reasons why I strongly prefer Chrysler products. Chrysler has always been the Engineer's company, that even if they might almost lose money on a superior engineering technique or feature it got the green light regardless of cost. Chrysler Engineering has been some of the finest in the world for over 75 years, proven by the record books.

On the other hand GM has been the bean counter's company. Every aspect of their business is aimed at making profit & saving money. It's the queen of low bidder engineering. There's a reason why Chevrolet was the most popular car in America, and it rhymes with dollars. Consequently one can see that the largest movements in replacement parts are for Chevrolet! The market philosophy of General Motors, especially Chevrolet Division, is 'The bare minimum'.

Example: They engineered a BAD starter on the 1955 265 c.i. V8. They knew it was bad. They kept the design unchanged for the 283, the 327, the 350, 305, 307 etc. through the 90's, may use it still? Check the pages of a performance catalogue: Summit shows over 3 pages of repair items to fix the bad starter design: shims, different nosecones, different gears, bearings, whole new starter designs etc. etc. etc.

Low bidder parts end up costing you money later. When you add in a foreign manufacturer building even less acceptable clone parts of low bidder parts, whaddya get? Worse junk!

The Chevrolet cooling system was marginal, just enough to do the job. Over time performance deteriorates, 2nd law of thermodynamcs. One reason for suggesting the high performance cooling parts, which are only about 25% higher price than stock parts, is that they work and perform far better than stock. The other reason is because he is having cooling problems with the stock parts.