Mailbag: Diagnosing Excessive Coolant Temperatures
You’ve got questions. We’ve got the answers— the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing high coolant temperatures at highway speeds. Q. I have a 1988 GMC […]
Volumetric Efficiency and What it Means to Performance
Volumetric efficiency is a term that’s tossed around quite a bit when talking about internal combustion engines. However, surprisingly few people understand what volumetric efficiency is and how it actually affects […]