Low compression engine "done blowed"
#1
Low compression engine "done blowed"
So, after coil, plugs, ESS module, MFA module (chasing codes) and advice on compression from the forum (#1 90psi, #2 70psi),I got the car running. Power was lacking, missing on one rotor, but fine over 6000 rpm. Lots of smoke. Smooth and powerful over 6 grand, pulled home in a cloud of steam and smoke. Found about all coolant draining out along with 3 quarts of oil! Will crank, but no start.
Did I blow it up?
Ordered a 35,000 mile engine today!
Did I blow it up?
Ordered a 35,000 mile engine today!
#2
FULLY SEMI AUTOMATIC
iTrader: (9)
its blown. did you get a comp test on your used engine?
#4
FULLY SEMI AUTOMATIC
iTrader: (9)
you bought a used motor without a comp test? good luck
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NotAPreppie (03-07-2018)
#5
FULLY SEMI AUTOMATIC
iTrader: (9)
#6
Smoking turbo yay
It's usually not recommended to get a used Renesis.
Hopefully it comes with a warranty that you can actually use...
Hopefully it comes with a warranty that you can actually use...
#7
FULLY SEMI AUTOMATIC
iTrader: (9)
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9krpmrx8 (03-07-2018)
#8
What am I doing here?
Join Date: Mar 2006
Location: 2017 Miata RF Launch Edition
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Compression tests have to be done with the engine warm. Doing them cold will give artificially high numbers.
This is why used JDM eBay engines never have compression test numbers even when they're fully dressed with transmission and starter.
There's also a reason why these engines never come with a warranty beyond "will start".
I wish you the best but you've taken an awful risk.
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