Re: Coolant line through throttle body
My steam line didn't go to the throttle body (2005 LS2). The Chevy book on LS swaps says the line should go to the highest point in the coolant system. I drilled a hole in the radiator and used an AN bulkhead fitting and a washer with an o-ring molded into it to attach the line.
It is interesting that with the line that way I could completely fill the radiator on the initial fill. Air kept bubbling out of that fitting in the radiator until the engine was full.
TR
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