Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

FEew SC questions: Oil PSI,A/F Tuning,Timing, Z32

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Old Apr 20, 2010 | 08:39 PM
  #1  
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FEew SC questions: Oil PSI,A/F Tuning,Timing, Z32

Hi Guys

I just finished my SC build and wanted to get some variables out of the way.

Setup
V2 SC with 3.125" Pulley ~11PSI
3" Charge Piping/Intercooled
600cc injectors
Innovate A/F (LC-1, already calibrated)
EU for tuning.

First: I put in a Oil pressure guage. What readings should I get say at idle/WOT (assuming car is warm)

Second: Currently I'm pissing gas out as I have 600cc injectors so they need to be leaned out a lot (current idle @ 10.0:1). At idle/Cruise ill aim for 14.5-14.7 but at WOt should I aim for 12's, high 11's? not sure what to aim for...

Third: I don't want to adjust any sort of timing but this will happen on its own with just the A/F tune. The question is if I don't touch any timing other then what the car will produce naturally with the tune I give it will I be safe? or do I have to make some adjustments?

Fourth: I installed the z32 MAF and have no issues with it. Does it read 0-5 volts like the regular a32 MAF?

Fifth: Random question for those who have an EGT Gauge...what do you normally see with he car warmed up (fans kicking in).

Thanks
Old Apr 21, 2010 | 05:44 AM
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Go check out the other SC thread at the top right now "Emanage Blue Tuning", most of your questions are being answered there. z32, yes same way as normal maf. 600 injectors, turn down the fuel pressure, i have mine at mid/high 20's psi with vacuum applied to it.
Old Apr 21, 2010 | 08:11 PM
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Thanks for the help streetz, any info on what PSI level I should see at cold/warm/cruising?
Old Apr 23, 2010 | 06:14 PM
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Operating temp Oil pressure @ idle is 10-12psi. And 70psi @ 3000 rpm is the test to measure for a healthy pump according to the Haynes manual, anything below this would indicate oil pump wear or restriction. WOT does not have anything to do with oil pressure, the rate at which the engine spins(RPM) does.
Old Apr 23, 2010 | 06:22 PM
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Operating temp Oil pressure @ idle is 10-12psi. And 70psi @ 3000 rpm is the test to measure for a healthy pump according to the Haynes manual, anything below this would indicate oil pump wear or restriction. WOT does have anything to do with oil pressure, the rate at which the engine spins(RPM) does.
Old Apr 23, 2010 | 07:04 PM
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alright that's what i've seen. Thanks
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