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Archives for : Engine & Drivetrain

Solve your overheating with cold air…?

Miatas overheating, especially in hot climates is a common problem.  I built a hot air style intake for optimum gas mileage in the cooler weather.  As soon as summer hit and ~120 F was the outdoor temperature, the car wanted to overheat while running the AC at idle.  Both fans were running, the water pump and thermostat were both fairly new with fresh coolant and a clean radiator with zero visible corrosion.  So it wasn’t a case of a weak cooling system.  And upgrading the radiator helps, but doesn’t solve the cooling problems for the local guys running mishimoto style radiators.  I decided to try fabricating an air filter shroud and ducting the cold air directly from the windshield cowel similarly to a product sold by FlyinMiata.


The Miata shifter rebuild is a must!

Rebuilding the shifter in a miata is a must.  Why? Because all the plastic pieces have worn out completely. This increases tolerance and makes your shifts progressively more terrible. The rebuild process is fairly simple and should take about a half hour under ideal conditions. Note: Conditions are rarely ideal.  Here is what my install process looked like.