Looking for direct experiance with engine failure due strickly to oil used. (synth or dino)

Direct experiance = your car, not your friends or family.

I personaly have never had a engine problem due to oil used, I have had problems with leaks due to additives added.

Also if you vote yes please explain.

This is straight from the horses mouth..............

In regard to using synthetic oil, Mazda does not test any of our
vehicles using synthetic oil. As such, we do not recommend the use of
synthetic oil, only because we have not tested it.

Also, I found out the folder you're inquiring about is the Mazda Driver's Guide, part number 9999-92-rx8d2-04
. The Mazda Driver's Guide is intended for
the sales staff at the dealerships to learn about the RX-8. However,
Mazda is currently in the process of revising a guide for customer
use. We are hoping to have a revised copy available to customers within
the next couple of months. Testing with synthetic oil is now taking place

I hope this information is helpful for you.

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Lisa Lasky
Specialist, Customer Assistance E-Business

I rank the weekly synthetic oil threads right up there with the brake dust anxiety threads.. :o

This is an anti oil thread! My point is most people have not had a problem no mater what oil they use. Oil related failures are very uncommon so why do we waste time talking about synth or dino. No matter what you use as long as you change it on a regular it should be OK.

I've owned lots of cars and trucks and never had an oil related problem. I also know a very good machanic (the best I've ever met) and he has never seen an oil related problem (except the one where they didn't change their oil for 3 years!!!). The point of this thread is that a lot of people will give you the "only use dino" or the "only use synth" but this opinion comes from pure speculation. If I'm wrong and people have seen problems due to oil, I want to know.

This thread it for everyone to vote, not just the tech guys, so please vote if you read this thread!!!!!