Posted by cdmn on May 06, 2020 at 17:39:02 from (96.33.227.18):
In Reply to: Old wives tales? posted by olddog on May 06, 2020 at 04:14:39:
The 37-38-39 Fords used to have hood side panels that came off with loosening a couple thumb screws.. This released a lot of the heat. My dad said a trick was to add some kerosene to the gas to lower the vapor pressure. Old Ford flathead V8s used to make a lot of heat because the exhaust ran through the water jacket from the valves to the exhaust manifolds. Sixes didn't do that. Cadillac flathead V8s had the exhaust manifolds on top and the exhausts went directly from the valves to the manifold. Some racing guys created this system for the Fords by reworking the camshaft so the intake came from the former exhaust ports and the exhaust went out the top like a Cadillac. Ford had prototype engines built to help with this problem, but they didn't go into production because they probably cost ten bucks more to build. By the way, the Lincoln V8 which inspired the Ford V8 had the exhaust manifolds on the top of the Vee. Might have run cooler, but being close to the carb, may still have vapor locked.
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