When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
First, awesome build, very clean. Second, I never thought about this before, but isnt a miata without heater or reroute just asking to overheat/fry #4? Explain your coolant routing (where is the spliced line in upper hose going?)