Re: switching from mobil 1 to Royal Purple
almost 90k miles, hard miles and Mobil 1 5/20 has always been great too me. To further push the debate, and you guys can roast me all you want but I change my oil every 10k miles. When I change the oil, it always amazes me how clean it is. Motorcraft oil filter
In my truck, V10 Viper, I run Mobil1, change every 10k miles as well and never a single problem. 80k miles on that engine. Mopar oil filter
Based on the oil that is drained out in both vehicles, I really change the oil because of my desire to change the filter.
I cannot argue with myself over this and have a hard time changing brands, these motors have run perfectly the entire time. These are daily drivers and my goal has always been 100k miles which based on my last compression checks, I hope to surpass these estimates. I'm the original owner on the Mach, the truck was used but only had 3k miles on it.
However, I am still wondering why people run the diesel oil?
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Darrell
Black '04 Mach 1
Track Times (bone-stock w/drs):60 ft - 1.90 | 1/8 - 8.67
(100 shot,E85,4:10s,Street tire):60 ft - 1.67 | 1/8 - 7.88
New build - 750rwhp; not track tested (yet)
Mods: Build Log
Paint&Body
Tuned by Manny @ HPP
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