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By the time this reaches your mailbox or newsstand, it will be the hottest time of the year. As little as most Fox-body owners care about A/C, summer time always makes you wish you had it-especially if you live in a hot climate like we do. Maybe you disconnected it during an engine upgrade, or ditched the compressor for an A/C delete pulley like we did on our SSP in “Lifting Weight” (June ‘10). Either way, you may be surprised how little money and effort you need to spend to get the snowflakes blowing out of your vents again.

Photo Gallery: 1993 Ford Mustang LX Latemodel Restoration Supply A/C Conversion Kit – Muscle Mustangs & Fast Fords

Photo Gallery: 1993 Ford Mustang LX Latemodel Restoration Supply A/C Conversion Kit – Muscle Mustangs & Fast Fords

In the modern world of EFI, our engines are controlled by a computer system that relies on input from several sensors. The ECU (electronic control unit) constantly evaluates these sensors to provide proper ignition timing and fueling to the engine. These sensors include the TPS (throttle position sensor), IAT (inlet air temperature), O2 for reading oxygen content in the exhaust, CAT (coolant temperature sensor), and a bevy of others, all for the purpose of keeping the engine running within its programmed parameters. With OBDII and today’s available electronic tuners/monitors, virtually anyone can scan the parameters of the engine, even in real time.

Photo Gallery: Anderson Ford Motorsport FlashACQ Datalogger – Muscle Mustangs & Fast Fords

Photo Gallery: Anderson Ford Motorsport FlashACQ Datalogger – Muscle Mustangs & Fast Fords

Nitrous oxide injection remains to this day a very popular way of increasing the performance of a normally aspirated engine. It’s much less inexpensive than a supercharger or turbocharger, and you only have to pay when you want to use it. The one problem with it-out of the box, at least-is it’s either on or off. The solenoids are open or closed, unless you use a progressive nitrous controller like the one we sampled from Edelbrock.

Photo Gallery: 1986 Ford Mustang GT Edelbrock Progressive Nitrous Controller – Muscle Mustangs & Fast Fords

Photo Gallery: 1986 Ford Mustang GT Edelbrock Progressive Nitrous Controller – Muscle Mustangs & Fast Fords