I use 10-30 in my wagon (due to rebuild) and 20-50 in my 260E as it is burning a little.

I gotta say that the top end rebuild on my wagon was just awesome. Plenty of space to work with and it was very straightforward!

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k