NoPistons -Mazda Rx7 & Rx8 Rotary Forum

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   Rotary Engine Failure Discussion (https://www.nopistons.com/rotary-engine-failure-discussion-102/)
-   -   Need expert advice on Turbo II engine rebuild (https://www.nopistons.com/rotary-engine-failure-discussion-102/need-expert-advice-turbo-ii-engine-rebuild-62214/)

pk797 10-17-2006 02:00 AM

Think you guy's could take a look and tell me if this thing is salvageable, or just a expensive paper weight?

pk797 10-17-2006 02:08 AM

If you look you'll see that it looks like the rotor hit the side plate and it's also has a pretty good amount of blow-by around and past the side seals. I just don't know what came first the touching of the side housings or the blow by.

pk797 10-17-2006 02:17 AM

Both the plates and the rotors have blackened marking on them. I'm not sure what happened, but there was no signs of detenation when I drove it. Zero in fact. Motor was recently rebuild and clearanced with all seals. Stock turbo and electronics, only mild street porting done. I just don't know what happened? Anyone have any idea?

Nospig 10-17-2006 02:54 AM

Lack of oil . Engine was about to seize or started to. The rotors are not salvageable. When the oil is not there to keep them cool they expand and the side seals are toast. The side plates may be beyond repair also , lapping them may save them but the hardening may have been damaged leaving only soft metal.

Best to find a new block.

j9fd3s 10-17-2006 10:29 AM

yep its toast

banzaitoyota 10-17-2006 12:17 PM

stick a fork in it, its done :(

rotary632 10-17-2006 06:01 PM

Yeah, that seems to be the consenses from out here too. I think I'm done with these things. Had enough.

SpooledupRacing 10-17-2006 07:25 PM

damn thats sucks.. it deffinatly looks like u need a new engine thats just gone!

pk797 10-17-2006 09:44 PM

Yeah I responed before with my freinds account, but ya pretty much sucks. I'm looking for a good S5 block. If anyone know of one please let me know.

guitarjunkie28 10-26-2006 06:13 AM

that ****'ll buff out :p


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