05-05-2008, 07:35 AM
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CC Member
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Join Date: Mar 2000
Location: Des Moines,
IA
Cobra Make, Engine: Sold my beloved Shelby CSX 4068, Gessford 427 Ford
Posts: 756
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Not Ranked
The top one is the overflow. Plumb it either to the ground or to an overflow bottle.
The bottom one goes to the radiator and allows trapped air to get out of the rad and into the burp tank.
Most of us run a 12-14 lb cap. You can go higher (20psi?) if you need more cooling capacity.
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CSX4068, '69 Bronco, '70 BOSS 302, '87 Mustang GT, '08 Roush Trak Pak
Last edited by DougD; 05-05-2008 at 07:37 AM..
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