Question about our psi reading...

howiedds · 09-09-2010, 10:03 PM

so during city driving...should i see my boost gauge fluctuate all over or barely show any boost....i thought i would have more boost when i hit 2K rpm.... (i have 6AT)

Syndicategt · 09-10-2010, 10:39 AM

1st Make sure to Calibate the boost guage.
2nd You won't see much boost, if any at all, at 2k RPM unless it's WOT and you are passing though it.
3rd The fluctuation you see is the boost vacuum reading.

cn555ic · 09-10-2010, 12:00 PM

Cruising you should see little to no boost at all even if your at 2k rpms..

OpenFlash · 09-10-2010, 12:15 PM

keep in mind that the Procede reads boost from the intercooler pipe, not the manifold. So at low throttle angles, you will see measured boost of up to a few psi. And it will be actively moving. Whereas with a traditional manifold referenced boost gauge, you will see vacuum under those conditions.

09-09-2010, 10:03 PM	#1
howiedds D.D.S. 31 Rep 460 Posts Drives: 12 AW E70 X5d Join Date: Sep 2009 Location: Brooklyn, NY iTrader: (5)	Question about our psi reading... so during city driving...should i see my boost gauge fluctuate all over or barely show any boost....i thought i would have more boost when i hit 2K rpm.... (i have 6AT) __________________ Current: Jeep GC Overland Hemi 4x4 TOTALED: 2012 AW X5d with Sport+Prem, (Heartbroken how she left me) RETIRED: 2009 SG e92 M-Sport( I will miss you....)
	Appreciate 0 Tweet Quote

09-10-2010, 10:39 AM	#2
Syndicategt Brigadier General 164 Rep 3,730 Posts Drives: 335i Join Date: Sep 2009 Location: Nor Cal iTrader: (11)	1st Make sure to Calibate the boost guage. 2nd You won't see much boost, if any at all, at 2k RPM unless it's WOT and you are passing though it. 3rd The fluctuation you see is the boost vacuum reading. __________________ 2008 BMW 335i e90 - Sold - Rob Beck Turbos / PROcede V5 / Aquamist HFS-4 / AR Downpipes / AE Exhaust / ER Comp FMIC / ER CP / TiAL BOV / Custom Intake / RPI Scoops / Quaife LSD / Swift-Koni Coilovers / DSS HS / Morr VS8.2 Sig Black / Michelin PSS / P3 Boost Guage / M3 body / M3 steering wheel / Adam's Rotors / Hawk HPS / SS lines /
	Appreciate 0 Quote

09-10-2010, 12:00 PM	#3
cn555ic 452 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	Cruising you should see little to no boost at all even if your at 2k rpms..
	Appreciate 0 Quote

09-10-2010, 12:15 PM	#4
OpenFlash 1756 Rep 17,960 Posts Drives: A Lot Join Date: Sep 2006 Location: SF Bay, CA iTrader: (0) Garage List 2018 Ducati Panigal ... [0.00] 2016 Mazda CX5 [0.00] 2017 Aprilia Tuono ... [0.00] 2019 BMW M2 Competi ... [0.00] 2015 BMW M5 Competi ... [10.00] 2016 Ducati XDiavel S [0.00] 2016 AMG GT S [0.00] 2011 Ferrari 458 It ... [0.00] 2017 Charger Hellcat [0.00] 2015 KTM Super Duke ... [0.00] 2016 KTM RC390 [0.00]	keep in mind that the Procede reads boost from the intercooler pipe, not the manifold. So at low throttle angles, you will see measured boost of up to a few psi. And it will be actively moving. Whereas with a traditional manifold referenced boost gauge, you will see vacuum under those conditions.
	Appreciate 0 Quote