Topgunz full supercharger kits!!

cgr406 · 11-10-2019, 03:00 PM

Out of curiosity I did a few quick pulls today w/ no filter or screen at all. Was expecting to pick up a bit over running just the screen, but there was absolutely no measurable difference in terms of peak boost readings.

Senna-F1 · 11-10-2019, 03:08 PM

Quote:

Originally Posted by cgr406

Out of curiosity I did a few quick pulls today w/ no filter or screen at all. Was expecting to pick up a bit over running just the screen, but there was absolutely no measurable difference in terms of peak boost readings.

I went back to look at what boost you were seeing. 9.5 - 10 psi. As Cupcakez mentioned and as I think Topz would say, that’s kinda low for not running a filter. This could explain you are not seeing an increase in your last post. Your SC might be pulling in more air, but at what would be 10 psi and above it’s just escaping from somewhere?

cgr406 · 11-10-2019, 03:40 PM

Considering some of the recent discussions, it seems like my boost has been a bit (~3#) low ever since I installed the SC earlier this year (Aaron's full kit w/ 9# pulley & Si trim). So i thought I'd take a look at my last datalog that I did for Seb from a few months ago. I charted Manifold Absolute Pressure v RPM. As you can see somewhere around 6700 RMP it starts to flatten out. Is this normal for this setup, or should it maintain basically the same slope all the way to redline?

Senna-F1 · 11-10-2019, 06:55 PM

Quote:

Originally Posted by cgr406

Considering some of the recent discussions, it seems like my boost has been a bit (~3#) low ever since I installed the SC earlier this year (Aaron's full kit w/ 9# pulley & Si trim). So i thought I'd take a look at my last datalog that I did for Seb from a few months ago. I charted Manifold Absolute Pressure v RPM. As you can see somewhere around 6700 RMP it starts to flatten out. Is this normal for this setup, or should it maintain basically the same slope all the way to redline?

Mine starts to level off like yours. This is Topgunz full kit, stock pulleys, stock filter, long tube headers. Hits 12.76 psi.

11-10-2019, 03:00 PM	#1 (permalink)
cgr406 Base Member Join Date: Sep 2013 Location: pittsburgh Posts: 106 Drives: '14 Z Sport Tour 6M Rep Power: 3368	Out of curiosity I did a few quick pulls today w/ no filter or screen at all. Was expecting to pick up a bit over running just the screen, but there was absolutely no measurable difference in terms of peak boost readings. __________________ TopGunZ Rotrex SC / CJM RFS / 1300 / Ecutek / Dynosty / F.I. TP & CBE / Z1 / Swift / SPL / Whiteline / Hotchkis / Michelin SP4

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