05-24-2009, 12:19 PM
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Club Cobra Member
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Join Date: Nov 1999
Location: Salem,,
NJ
Cobra Make, Engine: ERA 289 FIA #2100 Rio Red Wimbledon White Stripes 302 stroked to 331 Webers Richmond Road Race 5 speed
Posts: 782
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Not Ranked
Ok guys, I solved the problem. I installed a by pass hose from the Weber dual outlet water neck to the water pump. Had to do some creative plumbing. See the post on 48 IDA Weber coolant bypass. I dumped the Robert Shaw thermostat with the three 3/16 holes drilled in it, as I beleive this was part of the problem. The three holes were letting enough water to by pass the thermostat so the engine never warmed up. I replaced it with a Moroso thermostat which is the same as the Robert Shaw but without the holes.
The car warms up to 180 and on the open road it stays between 180 to 190. Stop at a light and it stays at 180. This was on an 80 degree day with the manual switch for the fan switched off. Problem solved.
My thanks to Rick Parker who kept saying we need to rig up a bypass hose!
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 Snakebit
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