View Full Version : Joe Gibbs XP-7
shawburn
12-01-2017, 08:47 AM
Engine builder recommended running XP-7 in Wissota spec on alcohol. I am used to running Brad Penn 20w-50. Anyone have experience with the XP-7 which is a 10w-40? Thanks.
keeks
12-01-2017, 12:51 PM
The XP7 is definitely going to be more expensive. It may be better in the early and late season when it's cooler.
Krooser
12-01-2017, 05:31 PM
Tight clearances need a thinner oil... both Gibbs And BP are good...
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