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Grinding while shifting @ high rpms?

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Old 09-30-2010, 02:05 AM
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Grinding while shifting @ high rpms?
hey guys. just purchased a 05 WWP MT rx8 with 55k miles. when you shift at low rpms is smooth as can be. once you get into the high rpms like 7k+ it shorta grinds when shifting from 3rd to 4th and so on. If i let the rpms fall it shifts perfectly. Is it my transmission fluid that needs to be change?
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Old 09-30-2010, 03:12 PM
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issue has already been discussed, you need to replace the transmission fluid to a high performance one like redline or amsoil.
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Old 10-01-2010, 09:51 AM
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k thanks. i will do this this weekend.
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Old 10-02-2010, 01:14 PM
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Once replaced, give it around a 100 miles for the fluid to break in and notice the change.
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