New guy with a question
#26
grass hopper
Join Date: Sep 2008
Location: Guelph, Ontario
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In Japan, they use 5W30.
In Speedsource Rx8, they used 5W20 in their race the whole time even though it is a Castrol Synethic sponsored race car...
There are numerous cases of synthetic engines still blowing up (most of them used car owner, so we don't know the history before they use synthetic), and engine rebuilder disassembling an engine for rebuild and found the 5W20 is lacking...
CONCLUSION: If you are still under warranty, I'd rather keeping the N.American spec. If you are out of warranty, do whatever that makes you happy!![Smilie](https://www.rx8club.com/images/smilies/smile.gif)
In Speedsource Rx8, they used 5W20 in their race the whole time even though it is a Castrol Synethic sponsored race car...
There are numerous cases of synthetic engines still blowing up (most of them used car owner, so we don't know the history before they use synthetic), and engine rebuilder disassembling an engine for rebuild and found the 5W20 is lacking...
CONCLUSION: If you are still under warranty, I'd rather keeping the N.American spec. If you are out of warranty, do whatever that makes you happy!
![Smilie](https://www.rx8club.com/images/smilies/smile.gif)
#27
Sorry greg I was just responding to the OP... "Use Dino 5W20 yay or gay?"
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