Welcome to the Engine Oil Journal Community!

This is the place to introduce yourself to fellow members. Tell us a bit about your background, your vehicles or equipment, and what brings you here, whether you’re a mechanic, DIY enthusiast, or just learning about engine oils. Jump in, say hello, and let’s keep the oil talk rolling.

1. Be Respectful

Treat all members with courtesy. Personal attacks, insults, or harassment will not be tolerated. Disagree with ideas, not people.

2. Stay On Topic

Keep discussions relevant to the thread category, whether it’s oil maintenance, product reviews, or troubleshooting. Off-topic posts may be moved or removed by moderators.

3. No Spam or Self-Promotion

Avoid posting promotional links, affiliate URLs, or repeated ads. If you represent a brand, contact the admin for partnership opportunities instead.

4. Use Clear and Helpful Titles

When starting a thread, use descriptive titles like “Best 5W-30 Oil for Honda Civic” instead of vague ones like “Help please.” This helps others easily find your post.

5. Share Accurate Information

Provide facts, sources, or real experience whenever possible. Misleading or false technical information may be removed to protect community quality.

6. No Inappropriate Content

Offensive, adult, or illegal content is strictly prohibited. This includes images, language, or discussions that violate ethical or legal standards.

7. Respect Copyright and Sources

If you quote or use material from another website or manual, give proper credit. Do not post copyrighted content without permission.

8. Use the Search Before Posting

Before creating a new thread, check if the topic has already been discussed. This keeps the forum organized and prevents duplicate questions.

9. Report Problems

If you notice spam, abuse, or misinformation, use the Report button or message a moderator. Your help keeps the forum clean and reliable.

10. Have Fun and Contribute

Share your experience, ask questions, and help others. The Engine Oil Journal Forum thrives when everyone contributes knowledge and respect.

Dive into detailed discussions about engine oils for cars and SUVs of all makes and models. Talk about recommended viscosity grades, synthetic vs. conventional options, and oil change intervals suited for everyday driving or high-performance conditions. Share your personal experiences, product reviews, and maintenance tips to help others choose the best oil for their car or SUV.

A dedicated space for discussions about engine oils specifically for diesel trucks. Share and learn about the best oils for Cummins, Powerstroke, Duramax, and other diesel engines, including viscosity, synthetic blends, and maintenance tips. 

Exchange real-world experiences, oil analysis results, and performance feedback to help keep your diesel engine running strong and reliable.

This section focuses on engine oils for motorcycles, ATVs, and other powersports vehicles. Discuss the best oil types, viscosities, and change intervals for 2-stroke and 4-stroke engines. Share your experiences with performance, protection, and brand comparisons to help fellow riders keep their machines running smoothly on the road or trail.

A dedicated space for discussing engine oils for small engines like lawn mowers, generators, pressure washers, and other equipment. Share tips on the best oil types, viscosities, and maintenance practices to keep your machines running efficiently. Exchange experiences, recommendations, and troubleshooting advice with fellow small engine enthusiasts.

A dedicated space for all things Mobil 1. Share your experiences, reviews, and results using Mobil 1 oils in cars, trucks, motorcycles, or small engines. Discuss performance, longevity, oil change intervals, and any tips for getting the most out of this popular synthetic brand.

A forum section focused on Shell Rotella oils for diesel engines and heavy-duty vehicles. Share experiences, performance feedback, and maintenance tips for Rotella T4, T5, and T6 products. Compare results, discuss oil change intervals, and help fellow members choose the right Rotella oil for their trucks and equipment.

Discuss and compare Valvoline and Castrol engine oils across cars, trucks, motorcycles, and small engines. Share your experiences with performance, protection, and longevity, as well as tips for choosing the right product. Ask questions, post reviews, and help others make informed decisions about these popular oil brands.

A dedicated space for discussing Amsoil and other specialty or high-performance engine oils. Share experiences with synthetic, racing, or premium oils, including their performance, engine protection, and value. Ask questions, compare products, and exchange tips to help members choose the right specialty oil for their vehicles or equipment.

Post your used oil analysis (UOA) reports here and get feedback from the community. Share details like engine type, oil brand, mileage, and test results to help others learn from your experience. Discuss trends, wear patterns, and recommendations to keep engines performing at their best.

Discuss oil additives, conditioners, and engine treatments in this section. Share experiences with products designed to improve lubrication, reduce wear, or enhance performance. Ask questions, compare results, and help fellow members decide which additives work best for their engines and maintenance goals.

A place for discussions about tools, garage setups, DIY projects, and general mechanical work. Share tips, ideas, and experiences from your own garage, ask for advice, and connect with fellow members who love working on engines, vehicles, and equipment.