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-   -   parts per million (https://www.rx7club.com/2nd-generation-specific-1986-1992-17/parts-per-million-736814/)

phalerider 03-08-08 03:35 AM

parts per million
 
Well, I've search and come up blank. Aside from something about dyno slips that was interestin but didnt answer my question. At any rate here it goes.

I live in new mexico where the only rec is emissions and insurance. No real inspection . The upper limit for my car class is 210ppm and 150ppm on the low end. My 86 is blowing 1740ppm and 865ppm on the low end. Yeah, bad. Might as well be pouring gas out of the tail pipe.

I understand that a rebuild is the answer, I tried that but there was a miscommunication and that wont be done before my class starts in april.

It wouldnt start the other day, AAA end up towing it home and for two days it WOULD NOT START! So i bought a running parts car to swap motors a week later. All this time my car is at home until the day a friend comes to tow me to my job to do the motor swap. On a whim I put it in 3rd and as he's pulling its in gear like a bump start on a motorcycle. It chugs, gurglles and spitters, yeah spitters back to life slowly.

Large amount of white smoke bellow from the tailpipe and then dissapates to nothing. For three days its been starting and running like normal! Gonna test compression tommorow, mines is bad.

I planned on rebuilding one of the motors but which one? Could it be that the injectors took a dump and now are back to work? Can injectors compramiose compression or grossly flood a rotary motor?

SpeedOfLife 03-08-08 11:55 AM

If those motors are from the same models then you should probably research parting them both to make one motor, using the best parts from each. There are certain parts due to weight or other differences you shouldn't mix though, especially if the motors were from different models, which is why I said to do a little research on that.

Low compression can cause or make flooding worse. Leaky injectors can do the same. It sounds like you really just need to do a solid maintenance routine on it and run some tests per the FSM, that should tell you a lot more about what's going on with it.

ericgrau 03-08-08 04:34 PM

Sounds like too much fuel is being dumped into the engine. If compression is also bad then that's a coincidence. Check everything out like SpeedOfLife said. For now, if it floods again then pull the EGI INJ fuse under the hood and crank it to clear the flood. Then replace the fuse and see if the car will start after that.


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