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Old 07-08-06, 06:47 PM
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Oil question

its about time i did a oil change on my FC i was just kinda curious as to what kinda oil everyone on here uses. i live in hawaii and according to the FAQs i should use 20w-50 but i was just wondering what brands everyone uses. i was thinking amsoil since i've used it on all my other cars.
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Old 07-08-06, 07:02 PM
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Originally Posted by RxVertJames
In Hawaii, I probably would use 20w-50 also! But right now I'm using Castrol GTX 5w-30 in ohio. Remember to avoid using synthetics for your rx7, can cause some serious problems.
yeah thats what i heard but why is synthetic so hazardous to a rotary???
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Old 07-08-06, 07:09 PM
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Originally Posted by nemesisFC
yeah thats what i heard but why is synthetic so hazardous to a rotary???
It is a very heavily debated topic if thats even true. The supposed reason is because rotaries burn oil, and most synthetics leave behind a lot of junk. If you get a high quality synth like AMSoil or royal purple, they are fine. In reality, rotaries don't need synthetics. Just use Castrol GTX. Its the best dino juice due its clean burning characteristics.
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Old 07-08-06, 07:09 PM
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Synthetic oil, when it burns, leaves ash, which basicly will clog your motor up. lol.. its like cigarrettes, it stimulates the motor and gives you 5-10 hp, but after 50k or so, your engine will probably freeze up and die.
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Old 07-08-06, 07:10 PM
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at least thats what I heard
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Old 07-08-06, 07:11 PM
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Originally Posted by RxVertJames
Synthetic oil, when it burns, leaves ash, which basicly will clog your motor up. lol.. its like cigarrettes, it stimulates the motor and gives you 5-10 hp, but after 50k or so, your engine will probably freeze up and die.
for the record, there are people that run synthetics in rotaries with no problems, its just a waste of money. What you said is true about many of the cheaper synthetics, though.
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Old 07-08-06, 07:27 PM
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thanx a lot guys i think that i am just gonna go with castrol then rather be safe than sorry
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Old 07-08-06, 09:45 PM
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Originally Posted by RxVertJames
Synthetic oil, when it burns, leaves ash, which basicly will clog your motor up. lol.. its like cigarrettes, it stimulates the motor and gives you 5-10 hp, but after 50k or so, your engine will probably freeze up and die.
That is completely wrong and mis-information.

Most synthetics (even the crappy ones like Valvoline) have less ash than most conventional motor oils.

Do some research before posting such bogus crap!

This has been covered countless times here and on 50 other boards.

Do not post if you are going to post old wives tales!
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Old 07-08-06, 09:50 PM
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This thread is closed.

This subject of what oil everyone uses has been covered quite a few times. You may wish to use the search function found in upper right hand corner of the page and search on Oil everyone uses or simular searches.

In addition to help prevent the inaccurate posts and replies, that have already cropped up, this thread is closed.
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