<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I haven’t seen any response to part of the original question of running without a thermostat. <div><br></div><div>Here’s my experience with that idea. When I was 16 I had a very tired 1296 Spit with the narrow radiator, small fan, and no overdrive that threatened to over heat on hot Texas summer days. I “fixed” it within my budget ($0) by removing the thermostat. It worked great around town, but cruising on the Highway (4,500 RPM at 70 MPH) and it would get very hot very fast. My guess is the water was flowing too fast through the radiator and not cooling off before going back in the engine. </div><div><br></div><div>Lower RPM’s of the pump and a better cooling system might over come that problem, but even so I’d be hesitant to run without a thermostat.<br><br><div dir="ltr">Dusty Nicholson <div>281-871-9623</div></div><div dir="ltr"><br><blockquote type="cite">On Jun 10, 2022, at 5:23 PM, DAVE HOGYE via Fot <fot@autox.team.net> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; color: #333333;"> <span style="font-family: helvetica; font-size: 12pt;"><span style="font-family: helvetica; font-size: 12pt;"></span>I run a 180 thermostat with a plastic or Teflon restrictor that has I think a 3/8" hole in it in the bypass line to mimic the standard bellows thermostat's restriction. Aluminum radiator, standard water pump and pulley sizes. I'd would like to have a smaller crank pulley to slow the pump and alternator. I use an expansion tank that fills the system and circulates coolant using the heater connections at the back of the head and return tube. No filler cap on the radiator. Temps typically around 190. Both water and oil. Street or race.</span>
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<div style="font-size: 12pt; font-family: helvetica, arial, sans-serif; color: #333333;" class="default-style"> <span style="font-family: helvetica; font-size: 12pt;">Dave H.</span>
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On 06/10/2022 12:18 PM Dave Riddle via Fot <fot@autox.team.net> wrote:
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<p class="MsoNormal"><span style="color: #1f497d;">Brand new Aluminum Radiator from Wizard and all new hoses </span></p>
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