Cooling is a major isuue with us as we take our 4x4s off-road and crawl around at slow speeds in 100+ degree heat and blast through snow at high RPM for long periods. SPAL has introduced AP90 High ...
Most of us know that our truck's cooling system prevents the engine from overheating, and any of us combustion-engine-equipped driving human beings have witnessed firsthand how much heat can be ...
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