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This is a 97 Miata that we have owned from new. It is my wife's driver and sees 70% city use and short trips. The only unusual item here is that this is an 11 month sample to get to 4.5K. Oil filter is Denso 150-1011. I had a lifter tick (hydraulic adjusters) when cold with RTS (the previous...

This is the first sample from my 02 Miata SE that I bought with 186,000 mi. on it. I had been running Rotella 5W-40 until the M1 fill that was sampled below. I re-filled with Fuchs Titan SuperSyn 5W-40 and will run a sample when it is change time. Use is 70% highway. It handles like a go-cart...

This is a post-mortem of the RX8 engine that I used do own. The failure was side seals. The failure mechanism was lack of lubrication. Mileage at failure was just under 50K miles. This was an AT vehicle with a 7500 rpm redline. The following are my thoughts on why it happened. Mazda is...

1997 Mazda Miata 1.8L I4 NA. This UOA is Renewable Lubricants 5W20 3 qt, 10W40 1 qt, 152,970 mi on unit, 3240 mi on oil. Previous UOA is M1 10W30 3 qt, 15W50 1 qt, 133,600 mi on unit, 3000 mi on oil. Oil filter is K&N. Air filter is K&N. This UOA is left, previous UOA is right...

I have started using this grease and have completed approximately 50 hours of testing at the range with 5 different semi-autmatic pistols. Results on the Jardine's Extreme Grease product have been impressive. No failures of any kind in the 5 pistols. Product retention on the action parts is...

Renewable Lubricant Inc. Bio-Penetrating Lubricant. I have started using this as my primary firearms lube, as well for other light lubrication applications. It appears to use a higher viscosity base oil than other penetrating lubes I have used. Viscosity at 40 C is 15.4 cSt. Pour point is -30 C...

Mobil 1 10W30 (3 qt) Mobil 1 15W50 (1 qt) blend -1997 Mazda Miata, MT, 1.8L, 4 qt oil capacity, 133,602 miles on unit -4 oz LC and 4 oz Schaeffers 132 added at change -Mobil 1 M-108 oil filter -K&N air filter -93 octane gasoline, with 2 oz FP60 added per 8 gal fillup. -lab is Blackstone 3000 mi...

Royal Purple 5W-20 -41,593 total miles on vehicle, 2004 Mazda RX8, 1.3L Renesis Rotary, 4 spd AT -4 qt oil at change (hot), capacity is 7 quarts, 0.5 qt added during interval -LC added at 2 oz per Qt oil at fill, 3 oz total added per 1000 mi. -93 octane gasoline, 1 oz Fuel Power added per 5 gal...

The company I work for produces sulfur on line analyzers, for use in determining sulfur content in fuels and gasses. We have seen a sharp ramp-up in orders for our product, in the last 12 months. The use of these analyzers by the refineries for monitoring fuel stocks is a given, but here are...

God Bless William Hubbs Rehnquist, Supreme Court Justice. May He Rest In Peace. Those who serve on the Court are blessed by the founding fathers, who established this third separation of power. Those who serve will be reviled by those who disagree with their decisions. This is the curse of...

Motorcraft 5W-20 SM/GF-4 -15853 total miles on vehicle, 2004 Mazda RX8, 1.3L Renesis Rotary, 4 spd AT -4 qt oil at change (hot), capacity is 7 quarts, 0.2 qt added during interval -Shell V-power gasoline, 1 oz Fuel Power added per 5 gal -Mobil 1 M-110 oil filter -K&N Filtercharger air filter...

Here is a link to an interview with Matthew Simmons, author of the book “Twilight in the Desert”. He is an energy analyst. His interview is lengthy, and contains some personal views, and misinformation. However, he makes some valid points that my contacts in the oil and gas business have...

I thought it was time for this subject to have a post all of its own. Obbop and others have brought up this subject. PLEASE KEEP THIS NON-POLITICAL!!!!! If this subject is analyzed using economic models, it can be shown that while politics can be an enabler, politics really has little to do...

In using the search engine on this forum, I consistantly run into threads that mention HDEO oils ability to clean, and keep clean, the rings, combustion chamber and exhaust ports of gas and diesel engines. I have found the same HDEO results on sites that specialize in Mazda Rotary motors...

Hello All! This is my first UOA post. Motorcraft 5W-20 SL/GF-3 -2072 mi on oil, in service 3 months, sample date 5-1-05, sample during oil change (hot) -11,008 total miles on vehicle, 2004 Mazda RX8, 1.3L Rotary, 4 spd AT -4 qt oil at change, capacity is 7 quarts, 0.5 qt added during interval...

I am involved in the Natural Gas service industry. I used to be involved in the Oil and Gas Exploration industry. There are several scientists looking into the origin of our oil and gas reserves. The previously accepted origin of oil and gas may not be correct. This is a popular link to this...