well i started a thread last week but followups have seemed to die off. im really hoping to get help here since this is my first 7. ill post the link to the last thread in case i miss anything that has been going on... https://www.rx7club.com/showthread.p...0&page=3&pp=15

ok so i bought the car last week for 1000 and as far as i can tell, (with my admittedly low knowledge of rotaries), the engine is just severly flooded. i did get her to start and she ran fine for about 10 mins, but i didnt get to drive her because the main coolant hose that runs into the engine was disconnected(i have stupid friends who refused to address the issue with me beforehand as we werent expecting to actually get her started). but anyway after running it for about 10 mins my idiot friend decided to start her again and she fired right up but since no one was applying pressure to the coolant hose, coolant got sprayed EVERYWHERE and he had to shut the engine off after only a few seconds.

now, before we get her to actually turn over the engine was chugging and now all its doing is running the starter. so im thinking that he flooded the engine again and it lost all compression. we did try the ATF compression building procedure prior to it starting the first time(which now i hear is bad for the engine).

so what do you guys think? we're going to keep trying to unflood it and since with the fuel pump relay out it will backfire, that means its got compression, right? is there anything else i can try? im really just trying to drive the sexy little f*cker lol

 

anyone? ive tried all the standard deflooding procdures, and from reading up on the forums ive found that we put WAY too much atf in the engine. im pretty sure when it started it burned most of it out, so 2morrow ill put WAY less in and see if that helps. sounds like it has no comprression since it wont chug, but it does crank and backfires a little(not as loud as it should). gas does get sprayed out the exhaust so im sure its still flooded.

 

My advice is keep that woman away from your car...

Other than that:

Make sure you have a full charge on your battery (Get a trickle charger or something if you plan on doing this often).

Don't put anymore ATF in if you think there is too much.

Only try cranking in 5-6 second bursts to reduce strain on your starter.

Do this if you know you can do it capably. Messing with electrical systems is not easy. However, you may want to look into installing a fuel cut switch (Just a switch that cuts power to the fuel pump. You may want to use a relay so you don't start shorting things). Mounting it out of sight can also prevent theft. If they can't start it, they can't steal it

Pull your trailing plugs to help in the deflooding and so you don't foul them. Once you get her going keep the fuse out and let her run dry and don't start her again until you get the damned coolant hoses all fixed and tight. The last thing you want is it overheating.

If anyone else with knowledge agrees, you'll probably want to do a 120k tune up. Seriously, you bought the car for $1000, so the 60k may not cut it (but I wouldn't spend too much on it).

But above all, don't just read what I posted and go and try it. Read around and you'll get a sense of who to listen to and what makes sense.

Great places to get information are:
The 2nd gen FAQ.
The 2nd gen Archives.

 

ATF = stupid

Use 2cycle oil. Use ATF if your engine is carbon locked and ATF would be your last resort to get it running without tearing the engine down.
http://www.aaroncake.net/RX-7/atftrick.htm

Keep in mind that your car won't start with ANY of your plugs removed. So, pulling the plugs would only allow excess gas to be removed. You would put them back once you have cranked it a bit. THEN it would start. Just thought I would clarify this.

Your starter is a simple electric motor, the only "strain" it would see is heat buildup. Turning an electric motor on and off is actually more of a strain than keeping it on for the most part.



Deflooding is pretty basic. Pull the EGI fuse, remove leading plugs, crank for a while.... put plugs back in, replace EGI fuse, start up.
OR.. before you put the plugs back in.. spurt a little 2cycle oil in there (not much needed really.. maybe an ounce or so per side) THEN put plugs back in, replace EGI fuse, then start up.

Also, if you ran ATF, and burnt it before.... barring you didn't actually damage your engine with the ATF, you may have destroyed your catalytic converters.

Just be careful and read before doing.. There's a LOT of information already out there. you shouldn't have even had to ask in the first place. I find that asking a question that has already been answered usually leads to incorrect answers... Hell. I've given some incorrect answers myself... sometimes on purpose.

 

No big deal on using the ATF. Oil would have been as good or better, but don't sweat it.

I would buy new plugs. The ATF will foul them in a heart beat. You can clean them, but my experience is that they are never as good again. If you clean them, burn them off with a propane torch. But, in the end they need to be replaced. Just remember, everytime you put oil or atf in the engine you run the risk of fouling them. The more oil the better the chance.

I would pull the old plugs out, clean them up good (burn them off, and wire brush them), try and get it started. If it starts, I would change out the old plugs for new before driving. Or, if you can't get it started, try the new plugs.
I would also do a compression check. Your problem may be low compression, if so you are going to be having this problem a lot.

 

when mine was flooded, the only way i got compression back was to take out all the plugs, turn it over for about 15 seconds, wait like 10 seconds to give the starter a breather....then turn it for another 15 seconds. i did this once an hour for 5 hours in a row. i left the plugs out and let the car sit overnight like this. i floored the gas pedal and it started right up. just be sure to decarbonize it afterward.

 

alright thanks guys. i checked out the archives and faq and im pretty sure i have all the info needed. and just to be sure, the leading plugs are the top ones, right?

 

no trailing top leading bottom two