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Engine gone or what.... Question period!

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Old 07-17-07, 12:49 AM
  #1  
i love boost

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Engine gone or what.... Question period!

Ok heres the skinny. I have recently finished my single turbo conversion and have been tuning my car to get it into proper afr's. So far I have been super rich on the fuel running it in the low 10's air/fuel ratios.... then we got some more time to road tune it and we had made it to 10.8 afr and then i had noticed that the car was smoking at idle. I had a problem with crankcase pressure making the car burn oil like crazy and solved it by venting the filler neck and also had a throttle position issue that I also resolved. So for me to see smoke again was unexpected. A couple full rpm runs after that when I was gearing down to make a turn, the car stalled. ever since then it has not run.

From what I can tell by pulling the plugs is that it feels like the front rotor doesn't push as much air by my finger compared to the rear one. I did not feel any part of the engine letting go nor does it make any noise when cranking it over now. It has about 70000 miles (111000 km) on it and has run excellent the whole time I have owned it.

If I use a standard compression guage will i be able to figure anything out as to what is going on there? I also hear a funny harmonic type sound in my fuel system when I stop cranking it over then it fades away after a few seconds. I do have spark and fuel for sure as I have tested both.

Any ideas where I should start? I would love to find a problem that can be solved so I can get some enjoyment out of it through the summer instead of staring at it sitting in the garage with the hood up again. One week of fun is far from enough! Any help or ideas would be appreciated

Parts list

Stock motor
Power Fc
850/1600 injectors
custom fuel system with Aeromotive FPR
Vmount IC
Koyo Rad
HKS Twin Power
T60-1 Turbo
Magnacore wires
b9egv plugs
was using Innovate LM1 Wideband o2


Scott
Old 07-17-07, 07:07 AM
  #2  
2turbos

 
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Take the schraeder valve out of your compression gauge and you can use it on your rotary.
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