Re: Heat Dissipation
Posted by HH56 On 2009/4/28 11:00:50
Not sure color has any advantage other than looks. Radiator paints are usually specially formulated to provide better heat transfer. The one Eastwood sells (at double the cost) is thinner having less pigment to provide less insulation according to the propaganda. Think adequate air flow is more important.
Don't believe Packards were any worse as to making heat but do believe they were a little more critical to thinner fluid because of the bushings. Some of the other transmissions used more tubing and case passages to route the fluid, wheras while Packard did this when possible, due to their design so much depended upon using a rotating hollow or drilled shaft with rings riding in bushings to supply piston pressures.
The oil cooler was standard--maybe not as efficient as some--after all the water was already at a minimum 160 degrees and the exchange area fairly small--but still helpful. Other cars had no coolers--just a finned torque converter to dissipate the heat.
Don't believe Packards were any worse as to making heat but do believe they were a little more critical to thinner fluid because of the bushings. Some of the other transmissions used more tubing and case passages to route the fluid, wheras while Packard did this when possible, due to their design so much depended upon using a rotating hollow or drilled shaft with rings riding in bushings to supply piston pressures.
The oil cooler was standard--maybe not as efficient as some--after all the water was already at a minimum 160 degrees and the exchange area fairly small--but still helpful. Other cars had no coolers--just a finned torque converter to dissipate the heat.
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