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I just rebuilt my 77 302 and I changed to E7TE heads, RV cam, dual plane aluminum intake, and 4bbl 600cfm vac. secondaries Holley carb. I have both a 180F and 193F thermostat and I was wondering which was the best one to use for my application. The 180F thermostat is what came on the original carburated 77 302, but not sure if the changes I made require a higher temp thermostat. Thanks.
did you do any machine work, like cylinder boring? if not i would go ith the stock t-tat. give it a test trial, if it overheats or gets too hot go to a cooler t-stat. if it dosent heat up enough go with a hotter one.