NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Northwest (https://www.nopistons.com/northwest-28/)
-   -   engine dismantle (https://www.nopistons.com/northwest-28/engine-dismantle-59637/)

kettlman 05-29-2006 12:22 AM

everything else looks just about new.

KompressorLOgic 05-29-2006 03:44 AM

z you better replace your apex seals or else!! lol

z-beater 05-29-2006 09:15 AM

HAHAH, yeah went really smooth. I was shocked how easy it came apart. As I suspected there was a water problem and it also looks to have been rebuilt.



There was a crack in the center housing were the water runs through the jacket.



I do not know how extensive I am going to go with this rebuild. There will be NO porting that is going to happen that is why I got such a large turbo. I might get some 2 piece seals but I also want to check the clearance on the ones that I have now. I might just re-use those depending. I would also like to get a cosmo center plate because it had a larger port. This is the downfall of the REW. So if anyone knows or one let me know https://www.nopistons.com/forums/pub...IR#>/smile.png

KompressorLOgic 05-29-2006 01:26 PM

DONT REUSE APEX SEALS!!! you spent to much money and time doing your setup "right" to cut a corner at the last minute.... those used ones might be crappy brand or you never know what kind of abuse the old dirver might of put on them

rmriggin 05-29-2006 01:32 PM

I am pretty sure that no aftermarket companies made a 3 piece seal so it would be safe to say that he has mazda seals. I would agree that it would be wise to go with a 2 piece seal. It is a matter of time and money, and what apex seals to go with.

hornbm 05-29-2006 03:37 PM

well you cant get 3 piece seals anymore, so your down to one pice or two pice, and I wouldnt reccomend the one piece. I thought you might have cracked the coolant seal groove, z. Just get a new cast iron, a rebuild kit and apex seals, and slap her back together

jenkin 05-29-2006 07:31 PM

hey, made a run to bothell and picked up this motor



http://seattle.craigslist.org/pts/165599064.html



can anybody tell whether it is an s4 or s5? there wasnt a omp on the front cover, so i am sol. will donate center iron to the project if it will work... just need to know where to drop it off for tear down. I think its an s5 cause the flywheel isnt the same as my s4 tII's

rmriggin 06-03-2006 02:22 AM

you snatched that motor right before I offered to paypal the guy for it. For $50 for a TII engine I figure it had to have at least $50 worth of good parts in it still. Good snag!

Hyper4mance2k 06-03-2006 03:29 AM

FAWK $50 I would've boughten it for my next PJ... DAMN! I'm the master of ghetto fab!

KompressorLOgic 06-03-2006 02:35 PM

where some pics of your bad iron??


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