Apr 2, 2024 #21 Diablo Tremor Buff Joined May 14, 2023 Messages 55 Reaction Points 48 Location Chesapeake, VA Military Navy Current Ride #1 F250 6.7L Lariat Tremor davidb1841 said: I went 2500 on the factory oil then switched to 5w40 full synthetic with archoil 9100 friction modifier....now I change every 5000 Click to expand... Just bought Archoil 9100, 6400, and 6500. Do you use all three?
davidb1841 said: I went 2500 on the factory oil then switched to 5w40 full synthetic with archoil 9100 friction modifier....now I change every 5000 Click to expand... Just bought Archoil 9100, 6400, and 6500. Do you use all three?
![What did you do to your Tremor today? [2025 edition]](https://www.fordtremor.com/data/files/featured_images/featuredimages_thumb_1.webp?1793567134)
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