NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Useable Rotor? (https://www.nopistons.com/2nd-generation-specific-17/useable-rotor-20224/)

2a+RoN 07-04-2003 04:04 PM

Hi all, I am in the process of rebuilding my engine right now. I had a blown apex seal in the rear rotor. Now, There is a little wear in one of the apex grooves near the edge but the rest seam fine. There are quite a few small dings on the faces of the rotor and one pretty large one, where I assume the broken apex seal got swept by and drug against the housing. I was wondering since the seals hold in all of the compression, would the rotor be ok to use, or would the dings deem it unuseable? I tried to sand everything flush so nothing would wear against the housing, but I am just a little paranoid about using it. Any advice would be greatly appreciated!

Thanks,

Aaron

phinsup 07-04-2003 04:08 PM

I wouldn't trust it, you can get ones in decent shape from junkyards pretty cheap.

vosko 07-04-2003 04:33 PM

don't use that rotor!

2a+RoN 07-04-2003 05:13 PM

junkyard with a TII?!?! where? I haven't seen any turbos at any of my local junkyards. I took some pics and will try to get them up soon. Thanks for all your input so far!

2a+RoN 07-04-2003 07:45 PM

first one showing the dings...

2a+RoN 07-04-2003 07:46 PM

2nd showing where it is slightly v-ed on the top...

2a+RoN 07-04-2003 07:47 PM

1 Attachment(s)
last one, straight on of the apex groove in question. its only the very top that is iffy, the rest looks to be in pretty good shape.

WishIhadaRX7 07-05-2003 04:58 PM

Listen to everybody else, don't use it unless your willing to risk another rebuild.

TyresmokinRx7 07-05-2003 11:12 PM


Originally Posted by WishIhadaRX7' date='Jul 5 2003, 01:58 PM
Listen to everybody else, don't use it unless your willing to risk another rebuild.

I agree with him, another rotor or another rebuild

2a+RoN 07-06-2003 11:10 AM

I've been getting a real difference of opinions... This is the only thread where anybody has said don't use it. On the other forums, most say it doesn't look too bad.

Nemesis 07-06-2003 12:00 PM

Better to be safe than sorry later. The expense of purchasing a rotor now might save you a much larger expense later.

rmaiersg 07-07-2003 01:33 PM

I was talking to some guy at Pineapople racing when I was doing my rebuild. He said if it's not too bad you can sometimes reuse the rotor. Mine was F@#KED UP, unfortunately. The ding might not be so bad but the groove would worry me. I am no expert however. Just an opinion.

Apex13B 07-07-2003 03:07 PM

toast, toss it...or use it as a bookend


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