http://autoracingsport.com/nascar/toyotas-engine-problems-at-vegas-different-than-ford-engines/
White said all seven teams supplied engines by TRD likely will go to Atlanta this week with the same new generation engine but with the conservative package — a thicker lubricant and small mechanical change that determines how much oil stays around the camshaft — that reduced horsepower by three to four at Vegas.
White said all seven teams supplied engines by TRD likely will go to Atlanta this week with the same new generation engine but with the conservative package — a thicker lubricant and small mechanical change that determines how much oil stays around the camshaft — that reduced horsepower by three to four at Vegas.