Ford V10 vs Chevy Gas

I think the main reason is because the Gm 8.1L engine was last used around 2008. I had great luck with the 8.1L engine and put close to 100,000 miles on mine and it still didn't burn any oil between 5000 mile oil changes. It gave fair mileage but then again I have heard the V-10 is not that good either. I always towed and never had any climbing issues in the Western mountains. The 8.1L engine had some issues with burning spark plug wires but that was usually restricted to certain coach manufacturers that did not provide enough ventilation. High temperature silicone plug wires would solve that issue. The MAIN advantage to the 8.1L engine came when it was coupled with the Workhorse W chassis and then it came with the ALLISON transmission, which is bullet proof.