VSR Oil Flow/QC Tag Information
For those with questions related to the oil flow statistics found on the QC tag from the VSR balancing process the below information was provided by Turbonetics GM Brad Lewis to help explain why some might see variation between two identical turbo QC tags.
Quote:
The actual oil flow measuring equipment in the VSR is presented on the digital display screen of each unit that is tested and is very accurate but also very sensitive to oil temperatures and viscosity index. The oil temperature once the VSR has been running through the day self regulates to maintain around 35(°C) and at this point will produce the maximum oil flow readings.
We use the oil flow monitoring simply as an additional confirmation that the bearing/housing clearances are not too great as the increased oil flow or volume can mask potential balance issues, this is not the case with low oil flow.
The maximum oil flow guideline for our ceramic ball bearing turbochargers in the HP70 family size is 41 mL/sec or .65gpm and based on the pictures of the VSR tags below the units are significantly lower with the higher of the two at 23.62 mL/sec.
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If you have any questions on the above or anything else related to your new turbocharger please don't hesitate to create a thread or contact Customer Support at 805-581-0333.
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2004 Nissan Titan SE KC 4X2: AEM Brute Force Intake, NISMO Exhaust, NISMO Shock Kit, PRG Upper Control Arms, PRG Sway Bar Endlinks, PRG LCA Spacers, Eagle Alloy 17x8, Nitto Terra Grappler 295/75/17, Alpine iXA-W404, Apline Power Pack, Apline KCE-400BT, Alpine Imprint, Alpine Type-R Door Speakers, US Amps USA-400, JBL GTO0804
2004 Nissan 350Z: Turbonetics Stage 1 Turbo System, Apexi WS2, HKS LS+ Coilovers with Swift Springs, Hotchkis Sway Bars, NISMO LSD, NISMO Diff Cover, ACT Clutch, JWT Flywheel, GSpec Short Shifter, Hawk HPS pads, Blitz Upper Raditor Hose, Motordyne 5/16" Plenum Spacer, Volk LE37T 19x8.5 and 19x10.5, Blitz FATT DCIII
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