Changing fluids =easy/fun
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DRIVEN
Joined: Feb 2004
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From: Norcal
I checked them out, pretty good prices. I went with www.summitracing.com
Registered User
Joined: Mar 2004
Posts: 62
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From: Concord, NC
I changed the Diff and Tranny fluids 2 days ago with Redline. Tranny feels smoother in shifting. There wasn't much to it. The biggest problem is finding the proper place to jack the car up (with a floor jack) and where to place the Jack stands. That took the most time. I too had a lot of gunk on the mag plugs when I pulled them and small metal shavings in the oil (looks like glitter). Glad I changed it at 3K miles. 
I think it will be fine now for quite a while.
I think it will be fine now for quite a while.
"RX-8 my stress reliever"
Joined: Aug 2004
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From: Keizer, Oregon
Red Line 75W90 or 75W90 NS?
I've followed the threads and plan to use Red Line MT90 in the Tranny and 75W90 in the Diff. Is there any advantage to using 75W90 NS which doesn't have the modifiers for limited slip units since our LSD doesn't need them?
Senior Member
Joined: Jul 2003
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From: DC Metro Area, USA
Originally Posted by MELRX8
I've followed the threads and plan to use Red Line MT90 in the Tranny and 75W90 in the Diff. Is there any advantage to using 75W90 NS which doesn't have the modifiers for limited slip units since our LSD doesn't need them?
Not sure if you saw this.
rx8cited
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Joined: Oct 2003
Posts: 541
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From: Chicago, IL
do we have to use mazda's crush washers, or can we go to a local hardware store and pick up something similar to the size? Also does anyone have the size of the washers? I know i can get any size washer from this one hardware place, just need the size of the washers. thanks
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