This may sound like a dumb question so here it goes. I have a 383 Ci with RHS heads i am not the builder or do i maintain the motor but having serious heating issues. The builder has the timing set a 40 degrees he says on the dyno the timing retards it's self 4 degrees. I personally can't see this possible but we can't keep the water temp below 240 has anybody ever heard of a distributor doing this i'm pretty sure it's advancing and causing the heating issues. Also it is a stock HEI locked down.
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