1. Put the thermostat back in.
2. Run the heater to get the air out of the heater core.
3. Use Honda coolant.
4. Get a coolant funnel, it will help to "burp" the air out of the system.
Amazon.com: Lisle 24610 Spill-Free Funnel: Automotive
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Honda-Tech > TampaRacing
TR "Old Skool EF" Member #666
All motor 1.8L: 201/140 More coming soon 
I mount an balance 24" tires for $40 each.