300ZX (Z31) Performance / Technical Discussions related to Turbo charging, Supercharging, Engine, ECU, exhaust, and etc. performance enhancements and Techical related.

Compression Surge?

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Old 12-04-2011, 06:12 PM
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Compression Surge?

So my new engine is stalling when deceleration. I was looking on the web for any possible causes or solutions and came across this video. http://www.youtube.com/watch?v=LZUbo_mNDZM This is exactly what my car is doing when i press in the clutch plus engine stalling and dieing when coming to a stop. How does this get fixed? Do i need a bov?
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Old 12-04-2011, 09:23 PM
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Originally Posted by Flacster
So my new engine is stalling when deceleration.
Is this right after boosting at full throttle, or all the time?

Originally Posted by Flacster
This is exactly what my car is doing when i press in the clutch plus engine stalling and dieing when coming to a stop. How does this get fixed?
Compressor surge happens at full throttle / full boost, not when coming to a stop.

Originally Posted by Flacster
Do i need a bov?
Yes.
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Old 12-04-2011, 11:16 PM
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This happens when I press in the clutch at 2000 rpm or higher. Not even on full boost.
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Old 12-14-2011, 08:03 AM
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doesent the 300 cut the fuel supply when your decelorating? maby theres an electrical problem? im new to the 300's but its an idea
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