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#1 |
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Account Suspended
Drives: 2013 ZL1 Join Date: Nov 2018
Location: Mobile Al
Posts: 525
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Losing all boost on no lift upshift
The car since the pulley and tune loses boost on the no lift upshift, loses all of it. It didn't used to do that.
The car kinda pauses for a split second after the shift, it shows it dropping boost on the datalog. If you shift it a little early around 5800 it seems to not do it as bad, at 6000 or a little over it does it every time. I did do the boost bypass mod a loooong time ago. Bad boost bypass valve? The car has 109,000 miles. Time to change it? Last edited by FASTFATBOY; 01-16-2022 at 08:05 PM. |
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#2 |
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KaBoom1701
Drives: 13' ZL1 Red M6 Join Date: Dec 2012
Location: I.E. SoCal (Yucaipa)
Posts: 8,631
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Get with your tuner and have him data log it. Should be able to see what going on.
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Mods:
Roto-Fab Intake, WW Res. kit & Big Gulp Air Scoop, Elite Catch Can, ATI Super Damper & 18% OD Pulley, LF Idler pulley bracket, Metco CC breather, ID850 Injectors, Stainless Power Headers w/ ceramic coating, TR71X Spark Plugs, JMS Fuel Pump Booster, Bo White TB, Tuned by Ted @ Jannetty Racing, Ron Davis HX, D3 Reservoir, Pfadt 1" Springs, Moreno Camber Plates, ZL1 Addons Splitter guard washers, Tow Hook kit & rock guards, Hurst Shifter Billet Plus 6 Speed Short Shifter, ZL1 DRL lighting harness, ZL1 Recaro Seats. |
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#3 |
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#4 |
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Account Suspended
Drives: 2013 ZL1 Join Date: Nov 2018
Location: Mobile Al
Posts: 525
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#5 |
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I assume no codes?
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#6 |
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Account Suspended
Drives: 2013 ZL1 Join Date: Nov 2018
Location: Mobile Al
Posts: 525
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#7 |
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What's the throttle plate doing on HPT when you lose boost?
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#8 |
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Account Suspended
Drives: 2013 ZL1 Join Date: Nov 2018
Location: Mobile Al
Posts: 525
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