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-   -   compression (https://www.rx7club.com/3rd-generation-specific-1993-2002-16/compression-822061/)

taylor7787 Feb 23, 2009 09:51 PM

compression
 
so i have no compression, when i turn over the engine all i hear is a whirling sound and am not sure what the problem is, i assume the engine was flooded and there is no oil to produce a seal. would this be a correct assumption or could it be something else

djseven Feb 23, 2009 10:41 PM

Even if flooded you should hear be able to hear the compression when the Spark Plugs are removed. A compression tester is $19.99 at Wal Mart/any auto store.

taylor7787 Feb 23, 2009 10:46 PM

i can hear it a bit but its not the normal sound of turning over, its very very faint. and more of a whirlling sound if that makes sence. i should make a video and getr some sound for you guys to hear

GoodfellaFD3S Feb 23, 2009 10:54 PM

The one time I heard a motor that spun very quickly and made a 'whirring' noise when cranked it had zero compression on all faces. The FD had been driven by an older gentleman who babied it and rarely rev'ed it to redline and upon teardown the amount of carbon buildup was unbelievable. It was a mostly stock car, stock ecu.

taylor7787 Feb 23, 2009 10:57 PM

mine is stock with stock ecu. the thing that gets me is that one day it started fine and the next it spun very fast and made that noise. is it possible that one day it starts and the next it builds up carbon like that

GoodfellaFD3S Feb 23, 2009 11:27 PM

Did you start the car up and shut it down shortly thereafter? could just be flooded.

Remove one spark plug per rotor and see if they're wet with fuel.

taylor7787 Feb 23, 2009 11:33 PM

i did happen to do that yes, i moved it from outside to my garage because i was going on a vacation and had a fire in the engine bay the previous day. the fire is not the cause of this i have repaired the fire damage which was very little. the car was running for about 2 minutes which i know is not good and i probibly sholdnt have started it in the first place. but is this somewhat common symptoms for flooded engines?

djseven Feb 24, 2009 12:03 AM

Yes it is flooded, replace the plugs and enjoy.

taylor7787 Feb 24, 2009 08:46 PM

in that case i hope that is all that is wrong

GoodfellaFD3S Feb 24, 2009 09:00 PM

Next time, let the car warm up thoroughly ;)

taylor7787 Feb 24, 2009 09:02 PM

haha for sure. i always have before it was just unfortunate events that made me move it and turn it off fast


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