NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   3rd Generation Specific (https://www.nopistons.com/3rd-generation-specific-18/)
-   -   Tearing An Engine Down (https://www.nopistons.com/3rd-generation-specific-18/tearing-engine-down-8696/)

shift7 12-02-2002 10:02 PM

We got another FD3S in the shop today. Guy said oil pressure was dropping then all of a sudden it died on him. Took it apart today. He said he only used synthetic oil and the rotors are surprisingly clean, compared to regular oil (a little scarred though). he's gonna need one new rotor; no big surprise. He also had 4 side seals fused with the rotor...it's pretty interesting looking, you can't even tell where the rotor ends and the side seal begins https://www.nopistons.com/forums/pub...#>/biggrin.png .

After looking at it, what happened was the oil pressure check-valve (the thingy on the front plate) seized up in there and wasn't letting in oil to the OMP. his front stationary gear was hollowed out. that was the freakiest thing i have ever seen. i'll try to get some pictures of it posted up here.

So do any of you guys continue to drive the car if your oil pressure is down? This is just another instance of people not getting their cars checked out when they should have. He actually offered the car for sale to me for $8,000 if anyone on here is interested, but you'll need a new engine.

jspecracer7 12-02-2002 10:09 PM

You have GOT to get us pictures of this! That has to be the craziest **** I've ever heard...

apexkw 12-02-2002 10:31 PM

i wanna see some pics. i love looking at the inside of our engines https://www.nopistons.com/forums/pub...IR#>/boink.gif

Fd3BOOST 12-03-2002 01:17 AM

I would like to get a look at that also.

9BASE3 12-03-2002 10:46 AM

Yeah. Pics please. Sounds nasty. What's even more nasty is how shitty the stock oil gauge gets in SOME cars... Some people might not even know of a problem such as this.

SPOautos 12-03-2002 10:48 AM

What year car is it and what kind of condition is it in? How many miles is on the rest of the car?



Yea, who would have known that no oil pressure could cause problems like that lol j/k



STEPHEN

shift7 12-03-2002 11:39 PM

It's a 93 R1. Very Good condition on the interior and exterior.



Here are some pics....



Here's a pic of the rotor. it only used synthetic oil, looks almost brand new!

http://home.earthlink.net/~ratracing...torcls0002.jpg



Here's a pic of the side seal fused with the rotor :bigok:

http://home.earthlink.net/~ratracing...torcls0001.jpg



Here's the last pic of the front stationary gear, notice how the bearing is gone and wall is f'ed up.

http://home.earthlink.net/~ratracing...torcls0003.jpg

jspecracer7 12-04-2002 01:18 AM

wow, now that's one fused side seal. https://www.nopistons.com/forums/pub...IR#>/boink.gif

j9fd3s 12-04-2002 12:02 PM

it looks like nothing was getting oil pressure back there



mike

vosko 12-04-2002 12:37 PM

jeez that is one clean rotor though https://www.nopistons.com/forums/pub...#>/biggrin.png


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