Topgunz full supercharger kits!!

cgr406 · 11-08-2019, 11:22 PM

Not being comfortable running w/ just a stainless screen, I bought some unifilter 3/8" fine foam & fabricated a custom filter to fit over the stainless screen. It's a bit crude, but fits well. Glued together w/ RTV. I've not run it yet, so don't know what the flow will be. Maybe if the weather cooperates tomorrow I can test it out. It's small, but on the plus side, it's easy to remove to clean & re-oil. Again, not sure if I will stay w/ this approach long term, but I think it's an interesting experiment.

redondoaveb · 11-09-2019, 09:09 AM

Quote:

Originally Posted by cgr406

Not being comfortable running w/ just a stainless screen, I bought some unifilter 3/8" fine foam & fabricated a custom filter to fit over the stainless screen. It's a bit crude, but fits well. Glued together w/ RTV. I've not run it yet, so don't know what the flow will be. Maybe if the weather cooperates tomorrow I can test it out. It's small, but on the plus side, it's easy to remove to clean & re-oil. Again, not sure if I will stay w/ this approach long term, but I think it's an interesting experiment.

One issue I see with this is that if the foam gets old it could start breaking down and get sucked into the sc. You would have to monitor it to make sure it doesn't happen. It could be pretty restrictive also.

cgr406 · 11-09-2019, 10:58 PM

So I lost about 3 psi by adding the filter. W screen alone I get about 9.5 psi and about 6.5 w the filter installed over the screen.

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.

11-09-2019, 10:58 PM	#3 (permalink)
cgr406 Base Member Join Date: Sep 2013 Location: pittsburgh Posts: 106 Drives: '14 Z Sport Tour 6M Rep Power: 3368	So I lost about 3 psi by adding the filter. W screen alone I get about 9.5 psi and about 6.5 w the filter installed over the screen. __________________ TopGunZ Rotrex SC / CJM RFS / 1300 / Ecutek / Dynosty / F.I. TP & CBE / Z1 / Swift / SPL / Whiteline / Hotchkis / Michelin SP4

11-10-2019, 03:00 PM	#4 (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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