Topgunz full supercharger kits!!

redondoaveb · 04-06-2019, 09:26 AM

Quote:

Originally Posted by Dahawkster

So I have just a couple more questions please. I am really thinking about picking this up but I am just very unfamiliar with superchargers sorry.

What PSI pulley does this kit come with? I am assuming 10 but not sure and will anybody be able to tell me whats the highest amount of boost you've ran on pump gas safely?

If you where running say a 14psi pulley are you able to hook up an electric boost controller to run less boost if you wanted to for daily driving?

What would be the smallest/high boost pulley this kit would be able to run efficiently?

Reasons I ask these questions is because I would like to run lower boost on 91 octane but be able to up the boost from in the car and run as much as I can with
water/methanol injection and tuning of course safely...

The kit comes with the 9lb pulley on the serpentine side which should give you around 10 psi.
I was able to run close to 13 psi on 91 octane before I started getting knock.
I controlled boost using a 38mm wastegate and ebc. I was running e85 and 91 octane. I set the boost controller to open the wastegate at 12 psi when on my 91 tune snd stay closed on e85 tune. Or, if I turned the boost controller off, the wategate would open at spring pressure of 10 psi for daily driving on either 91 or e85.

Dahawkster · 04-06-2019, 06:34 PM

Quote:

Originally Posted by redondoaveb

I controlled boost using a 38mm wastegate and ebc.

thank you redondoaveb for the reply I really appreciate your help....So you actually installed a wastegate on the charge pipes

or are you just referring to the Tial QRJ that comes in the kit?

redondoaveb · 04-06-2019, 08:19 PM

Here's a pic

redondoaveb · 04-06-2019, 08:24 PM

Four different boost settings.

Dahawkster · 04-06-2019, 10:05 PM

Quote:

Originally Posted by redondoaveb

Four different boost settings.

I didn't expect the torque to to drop so drastically in the upper RPMs. I would be really stoked with something like that green dyno run with pump gas and meth. Will this kit simply be able to achieve those boost numbers by just changing a pulley and belt?

redondoaveb · 04-06-2019, 10:28 PM

Quote:

Originally Posted by Dahawkster

I didn't expect the torque to to drop so drastically in the upper RPMs. I would be really stoked with something like that green dyno run with pump gas and meth. Will this kit simply be able to achieve those boost numbers by just changing a pulley and belt?

If you changed the sc pulley to a 2.85 it would get you close to 13 psi. Pump gas and meth might get you there. Prior to adding the wastegate, that set up got me 586whp on e85. It made 491whp on 91.

"Z"en · 04-07-2019, 12:33 AM

Quote:

Originally Posted by Dahawkster

I didn't expect the torque to to drop so drastically in the upper RPMs. I would be really stoked with something like that green dyno run with pump gas and meth. Will this kit simply be able to achieve those boost numbers by just changing a pulley and belt?

Changing pulley and belt will definitely help you increase boost but the problem is your tuner has to pull a bunch of timing back to avoid knock if your using 91. The only advantage of using aggressive setup is that you can have your torque come sooner (better low-to-middle end). In addition, the torque depends on the supporting mods. You can also gain torque/boost by simply putting a restrictive exhaust system. However, it will not only increase the back pressure as well as exhaust gas temperature but also loose top-end power.

Senna-F1 · 04-07-2019, 01:46 PM

Quote:

Originally Posted by "Z"en

You can also gain torque/boost by simply putting a restrictive exhaust system. However, it will not only increase the back pressure as well as exhaust gas temperature but also loose top-end power.

It’s not back pressure or a restrictive exhaust that adds power. It’s all about exhaust gas scavenging. I don’t know of any serious builds that are running a stock exhaust. My Motordyne equal length long tube headers and exhaust are only going to add power, and not because they are more restrictive.

https://youtu.be/jjPeP_Nn2B4

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