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The Terminator
Engine/Tuning
Self Tuning With SCT Pro Racer
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<blockquote data-quote="03cobra#2" data-source="post: 16442077" data-attributes="member: 52057"><p>So I just took the car for a spin. The buck / surge / lean spike happens as your letting the clutch out AND also does it if the clutch is fully disengaged and you accellerate.</p><p></p><p> Funny thing is I can pretty much reproduce the problem anytime I want. I did notice that when the problem happens the boost / vac gauge was either very close to 0 or transitioning from vac to boost.</p><p></p><p>I have a feeling when the transition is just right from vac to boost the bypass is snapping shut causing the problem. I could totally off base here.</p><p></p><p>I have been logging absolute tb and I can see what the tb is doing during all of this. Also my logs show that the spark is pretty steady during the problem and is not doing anything crazy. </p><p></p><p>I wonder if I can find a way to keep the boost bypass open, go for a quick spin and see if the problem goes away.</p><p></p><p></p><p></p><p>Sent from my Pixel 2 XL using Tapatalk</p></blockquote><p></p>
[QUOTE="03cobra#2, post: 16442077, member: 52057"] So I just took the car for a spin. The buck / surge / lean spike happens as your letting the clutch out AND also does it if the clutch is fully disengaged and you accellerate. Funny thing is I can pretty much reproduce the problem anytime I want. I did notice that when the problem happens the boost / vac gauge was either very close to 0 or transitioning from vac to boost. I have a feeling when the transition is just right from vac to boost the bypass is snapping shut causing the problem. I could totally off base here. I have been logging absolute tb and I can see what the tb is doing during all of this. Also my logs show that the spark is pretty steady during the problem and is not doing anything crazy. I wonder if I can find a way to keep the boost bypass open, go for a quick spin and see if the problem goes away. Sent from my Pixel 2 XL using Tapatalk [/QUOTE]
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