12-18-2019, 08:19 PM | #1 |
Drives: 2017 2SS Join Date: Jun 2019
Location: Las Vegas
Posts: 102
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Lt5 ported TB throwing code
I recently purchased a pray ported lt5 TB from a forum member. I knew it would require a tune but I had read several members that ran a ported TB for a while before getting their tune without issue. When I installed though I got the p2101 reduced engine power, which immediately cleared up after putting the stock TB back on. My question is has anyone else ran into this issue just because the ecu isn’t happy until tuned or was I sent a defective part? I think the posts I read were from ported 87mm TB, this is obviously larger since it started life as a 95mm. Thanks for your help.
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12-19-2019, 12:55 AM | #2 |
Drives: 2017 SS Join Date: Jul 2017
Location: SoCal
Posts: 45
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I’ll buy it!
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12-22-2019, 03:54 PM | #3 |
Drives: Corvette Join Date: May 2016
Location: New Albany
Posts: 45
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Your intake must be ported so the throttle body can open up all the way.
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12-22-2019, 07:27 PM | #4 |
Drives: 2017 2SS Join Date: Jun 2019
Location: Las Vegas
Posts: 102
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12-23-2019, 01:07 AM | #5 |
Drives: 2016 camaro ss Join Date: Nov 2018
Location: south florida
Posts: 76
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You can also buy an adapter that will allow it the clearance to open all the way.
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12-23-2019, 01:05 PM | #6 |
Drives: 2018 Camaro SS 1LE Join Date: Aug 2018
Location: Tampa Florida
Posts: 1,980
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I've heard ported 87s and stock 95s can be run on the stock tune from what I hear, but I've never heard the ported 95 being 100% ok without a tune, this would be news to me.
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12-23-2019, 07:33 PM | #7 |
NOXQCES ZL1
Drives: 2017 Camaro ZL1 Join Date: Mar 2019
Location: Huntsville AL
Posts: 307
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12-23-2019, 07:43 PM | #8 |
NOXQCES ZL1
Drives: 2017 Camaro ZL1 Join Date: Mar 2019
Location: Huntsville AL
Posts: 307
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The 95mm TB (ported or not) willl require a tune to take advantage of it. The LT5 TB uses a significantly difference scalar (throttle response from the ECU) than the stock 87mm
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