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05-08-2020, 04:41 AM
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#1 |
 Drives: Camaro ZL1 Join Date: Apr 2019
Location: London, UK
Posts: 304
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PDR accuracy?
Just wondering if anyone has compared PDR data (ideally through Toolbox) against Vbox/GPS data to determine how accurate the speed/times are?
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Made in the USA. Refined in Great Britain - insta: zl1uk
 Velossa intake, Rotofab, Mamo TB, Custom ported NX Lid & Jokerz Full tilt ported LT4 charger, 3 port CoolingMist Meth injection - ATI 15% lower pulley, E2X CC, TSP ceramic coated longtubes, de-cat and Borla 60608 to NPP box, JRE tune, BMR rear control & trailing arms, lock-out kit, lowering springs and front strut brace, Custom carbon trim interior, Xpel ultimate front PPF and Prestige window tint with Chameleon Windscreen tint...ever evolving... |
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05-08-2020, 05:10 AM
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#2 |
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Account Suspended
Drives: 2017 Camaro ZL1 A10 Join Date: May 2012
Location: NJ
Posts: 7,692
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I believe someone tested and compared it a couple years ago. It was always within 2 tenths on the slow side. So typically it can be assumed that you are probably running slightly faster than it indicates.
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05-08-2020, 06:21 AM
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#3 |
 
Drives: 2018 ZL1 1LE Join Date: Feb 2009
Location: Bettendorf, Iowa
Posts: 617
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Also my experience vs. Harry's Laptimer, couple tenths slower for PDR.
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 2018 ZL1 1LE "RAZECAR" 2016 2SS Convertible "NOTOPSS" (Sold) 2015 Z/28 #306 "ITZFAST" 2010 2SS Coupe "FASSTER" (Sold) 2002 SS/RS "02FASST" (Sold) 2007 Factory Five Racing GTM "REDBLUR" (Sold) "There are two kinds of cars. Red....and everything else!" |
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05-08-2020, 07:22 AM
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#4 |
         
Drives: '21 ZLE A10 Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,815
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at VIR...Harry's vs PDR is within .02 sec which is amazing.
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'21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60'
'17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold) |
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05-08-2020, 08:11 AM
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#5 | |
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Drives: 2017 1SS/1LE Join Date: Sep 2016
Location: FL Panhandle
Posts: 1,559
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Quote:
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05-08-2020, 08:17 AM
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#6 |
Drives: ZL1 Join Date: Jul 2017
Location: Texas
Posts: 350
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We tested it against transponder times at CotA and Road Atlanta and it was accurate to a hundredth of a second.
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05-08-2020, 11:02 AM
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#7 |
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Drives: Camaro ZL1 Join Date: Apr 2019
Location: London, UK
Posts: 304
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Holy crap, in which case, 100-200 kmh (62-124) in 5.88 is quite quick then!
__________________
Made in the USA. Refined in Great Britain - insta: zl1uk
Velossa intake, Rotofab, Mamo TB, Custom ported NX Lid & Jokerz Full tilt ported LT4 charger, 3 port CoolingMist Meth injection - ATI 15% lower pulley, E2X CC, TSP ceramic coated longtubes, de-cat and Borla 60608 to NPP box, JRE tune, BMR rear control & trailing arms, lock-out kit, lowering springs and front strut brace, Custom carbon trim interior, Xpel ultimate front PPF and Prestige window tint with Chameleon Windscreen tint...ever evolving... |
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05-08-2020, 05:56 PM
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#8 |
Drives: 2017 SS 1LE Join Date: Mar 2017
Location: Florida
Posts: 617
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Mph is very close. 174 and officially logged at 172.8. Or.something like that. I posted it a while back.
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05-08-2020, 09:27 PM
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#9 |
Drives: 1LEs Join Date: May 2009
Location: DFW - Texas
Posts: 1,319
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If I get my PDR marked finish line where my AIM Solo 2 has it's, they are +/- a handful of hundreths. I am much more impressed by the PDR's data and timing vs. it's "HD" resolution.
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