<div class='quotetop'>QUOTE(RedHeartbeat &#064; Jan 5 2007, 01&#58;52 PM) [snapback]78414[/snapback]</div>
When you pull the stat, drill an 1/8" hole near the top of it as an air bleed if there isn&#39;t one already. I think I remember Dustin saying something about pulling the upper rad hose off the radiator, pour coolant into the hose until fluid starts coming out of the top of the radiator.
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I&#39;ve done both...

As for flow with passage blocked, yes I got flow. I hope it&#39;s not the pump, but I know of a couple LS1 powered formy&#39;s that currently have cooling issues today. Pumps aren&#39;t that expensive (&#036;120) at the local parts store.