FAIL. Need NB help
07-21-2010, 10:39 AM
#22
Is this what you all see?
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07-22-2010, 12:51 AM
#32
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What version Hydra are you running?
When I was trying to set base timing with my hydra I was having a **** of a time. I saw the same high vacuum and bouncy timing mark.
There are multiple trim maps for timing that affect idle. In 2.7 (don't recall if it's this way in 2.6) the hydra even can add or pull timing to try to reach the RPM target.
Of course, the timing affects the vacuum you're pulling and that super bouncy **** you see with the timing light is probably caused by the hydra too.
I had to zero out all my idle and timing related trims and then set the spark map to 10 degrees all around the idle rpm in a big chunk. Only after that did the timing mark (when viewed with the timing light) stop jittering around and sit nice and steady real proper like.
Let me know if this works, and save your map before destroying it.
When I was trying to set base timing with my hydra I was having a **** of a time. I saw the same high vacuum and bouncy timing mark.
There are multiple trim maps for timing that affect idle. In 2.7 (don't recall if it's this way in 2.6) the hydra even can add or pull timing to try to reach the RPM target.
Of course, the timing affects the vacuum you're pulling and that super bouncy **** you see with the timing light is probably caused by the hydra too.
I had to zero out all my idle and timing related trims and then set the spark map to 10 degrees all around the idle rpm in a big chunk. Only after that did the timing mark (when viewed with the timing light) stop jittering around and sit nice and steady real proper like.
Let me know if this works, and save your map before destroying it.
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07-22-2010, 09:27 AM
#34
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whoa lots of responses. thanks guys. i know my tune needs to be worked on mainly because of the 800cc injectors but i also saw something last night that's tipping me now into the intake mani gasket being the issue. While phil was in the car with it idling, i was leaning on the intake mani looking for leaks. when i put the little body weight i have on it to get a better look, the car stalled out. that in itself is making me think that something is definitely leaking. im picking up the gasket later on and putting it on either tonight or tomorrow. If that doesnt do it, then ill be dicking with the tune some more
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07-22-2010, 09:30 AM
#35
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I didnt notice one under there on the mani when it was off but ill know for sure in a bit. Thanks
What version Hydra are you running?
When I was trying to set base timing with my hydra I was having a **** of a time. I saw the same high vacuum and bouncy timing mark.
There are multiple trim maps for timing that affect idle. In 2.7 (don't recall if it's this way in 2.6) the hydra even can add or pull timing to try to reach the RPM target.
Of course, the timing affects the vacuum you're pulling and that super bouncy **** you see with the timing light is probably caused by the hydra too.
I had to zero out all my idle and timing related trims and then set the spark map to 10 degrees all around the idle rpm in a big chunk. Only after that did the timing mark (when viewed with the timing light) stop jittering around and sit nice and steady real proper like.
Let me know if this works, and save your map before destroying it.
When I was trying to set base timing with my hydra I was having a **** of a time. I saw the same high vacuum and bouncy timing mark.
There are multiple trim maps for timing that affect idle. In 2.7 (don't recall if it's this way in 2.6) the hydra even can add or pull timing to try to reach the RPM target.
Of course, the timing affects the vacuum you're pulling and that super bouncy **** you see with the timing light is probably caused by the hydra too.
I had to zero out all my idle and timing related trims and then set the spark map to 10 degrees all around the idle rpm in a big chunk. Only after that did the timing mark (when viewed with the timing light) stop jittering around and sit nice and steady real proper like.
Let me know if this works, and save your map before destroying it.
No I didnt. Ill try that though. Thanks
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07-22-2010, 09:53 AM
#36
You also need to fix that HUGE exhaust leak between the turbo and manifold. You'll never get it tuned right if your O2's aren't reading correctly.
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07-22-2010, 10:20 AM
#38
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I'll second double checking the settings in the hydra unless it displays it is running the correct timing. On a hot summer day my hydra was trying to idle the car on 6 degrees because the air temp trim was all jacked up.
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07-22-2010, 10:48 AM
#40
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