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Car Surging (1 viewing) (1) Guest
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TOPIC: Car Surging
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Car Surging 8 Months, 4 Weeks ago
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The last time I had my car tuned here in St. John's before I had to store it for the winter, for some reason , it was surging when it built boost....it felt like Boost Cut or fuel Cut, I am not sure, I was running 15 pounds of boost, first and second gear seemed to work fine, then in third soon as the boost would rise, it would surge forward like Boost Cut...Any ideas?
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Re:Car Surging 8 Months, 4 Weeks ago
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do you have datalogs? Most likely your getting boost creep and you are hitting your boost cut.
Then the question could be why are you creeping? manifold wastegate placement?
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ahobbs (User)
30 psi
Posts: 47
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Re:Car Surging 8 Months, 3 Weeks ago
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I am using a Lovefab Minime EQ and a Tial 44mm wastegate , the WG is just to the left of the manifold...heres a Pic, kinda hard to see it but its on the left side of it... 
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Re:Car Surging 8 Months, 3 Weeks ago
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Oh yeah and in the Pic you can see there's No dumptube hooked up at that point, that was another issue I had on the dyno the 2nd time, whenit hit full boost the exhaust gasses were being sucked directly into the turbo inlet and bogging down the engine ( and I was running a screen cause I can't fit a regular filter on the turbo cause the altenator is in the way, but we fabricated an airbox now so that will help, and I have the dumptube now too ) and I have a 3inch downpipe and a straight-through catless exhaust....what do you think?
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Re:Car Surging 8 Months, 3 Weeks ago
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it doesnt sound like boost creep or boost/fuel cut to me. I'd try to have the data log checked and see how it performing during those times. that should reveal what's going on.
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Re:Car Surging 8 Months, 3 Weeks ago
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Yeah I have a version of that same manifold and I didn't have any issues at all
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ahobbs (User)
30 psi
Posts: 47
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