Anything above 14.7 PSI is considered boosted ... An intercooler takes the compressed air out of the turbo or supercharger and cools it before it goes into the engine. Excess heat can negatively ...
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6.7 Cummins Standard Vs. High Output: What's The Difference?What Makes The HO 6.7 Cummins Turbo Diesel Engine So Good ... to produce boost pressures of up to 33 pounds per square inch (PSI). Other engine enhancements included a new cast iron cylinder ...
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