Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Forced Induction (http://www.the370z.com/forced-induction/)
-   -   ***Topgunz ROTREX C38R Supercharger Kit*** (http://www.the370z.com/forced-induction/135649-topgunz-rotrex-c38r-supercharger-kit.html)

SeeThruHead 10-01-2021 05:16 PM
Do you have numbers for 91/94. we don't have any E-anything in ontario.

turtle64b 10-01-2021 05:21 PM
Quote:
Originally Posted by SeeThruHead (Post 4010463)
Do you have numbers for 91/94. we don't have any E-anything in ontario.

From Birdie's post earlier:
I hit 464 whp and 406 torque on pump at 9.5 psi

SeeThruHead 10-01-2021 05:23 PM
yeah wondering more how much psi is safe on pump. before you'd expect knocking i guess.

Like what could i realistically expect from this kit. on pump. i guess good safe numbers for stock internals would be helpful. also interested in what it could do with a built motor and 94 octane. if that makes sense.

turtle64b 10-01-2021 05:26 PM
Quote:
Originally Posted by SeeThruHead (Post 4010466)
yeah wondering more how much psi is safe on pump. before you'd expect knocking i guess.
You would need to work with your tuner on that. There are more variables to consider. How much fuel are you able to provide? It's not really the pressure that will cause knock, its timing and running out of fuel for the amount of air (pressure) that you're shoving into the engine.

I'm at about 14-15psi on my V1 topgunz setup with no issues.

Stock internals record is like 800hp, I think. Reliably, maybe 650? Depending on your tranny, wtq is gonna be the killer. <425-450wtq is where you wanna be WITH a tranny cooler for us 7AT guys.

TopgunZ 10-23-2021 09:44 PM
Update... 802whp on the Rotrex kit!

TopgunZ 10-26-2021 02:34 PM
Another update...

370Z Supercharger 1/4 mile RECORD!! 10.3 @138mph

https://dynosty.com/we-accidentally-...4-mile-record/

BTW...the car also made 600wtq.

SeeThruHead 10-26-2021 05:10 PM
Quote:
Originally Posted by turtle64b (Post 4010467)
You would need to work with your tuner on that. There are more variables to consider. How much fuel are you able to provide? It's not really the pressure that will cause knock, its timing and running out of fuel for the amount of air (pressure) that you're shoving into the engine.

I'm at about 14-15psi on my V1 topgunz setup with no issues.

Stock internals record is like 800hp, I think. Reliably, maybe 650? Depending on your tranny, wtq is gonna be the killer. <425-450wtq is where you wanna be WITH a tranny cooler for us 7AT guys.
yeah i mean assuming other variables are sorted.

My plan is the radium surge tank with new fuel lines and fuel rails. Should be able to put as much fuel as any kit needs.

TopgunZ 10-26-2021 07:18 PM
Quote:
Originally Posted by SeeThruHead (Post 4012204)
yeah i mean assuming other variables are sorted.

My plan is the radium surge tank with new fuel lines and fuel rails. Should be able to put as much fuel as any kit needs.
What kit are you planning on running?

SeeThruHead 10-26-2021 10:20 PM
Quote:
Originally Posted by TopgunZ (Post 4012215)
What kit are you planning on running?
Your kit hopefully!

if you meant fuel setup.

( Click to show/hide )
Fuel Hanger Surge Tank, Nissan 370Z
not sure which pump setup yet
With either CJM fuel rails or radium fuel rails.
New fuel line from the tank to the rails, just because.
Injector dynamics ID F750 fuel filter.
and probably some id1000 injectors.

redondoaveb 10-26-2021 10:24 PM
Quote:
Originally Posted by SeeThruHead (Post 4012221)
Your kit!

if you meant fuel setup.

Fuel Hanger Surge Tank, Nissan 370Z
not sure which pump setup yet
With either CJM fuel rails or radium fuel rails.
New fuel line from the tank to the rails, just because.
Injector dynamics ID F750 fuel filter.
and probably some id1000 injectors.
Not sure what kind of power you're planning on making but you may want to think about 1300cc injectors. You can run out of injector real quick with 1000cc

SeeThruHead 10-26-2021 10:32 PM
Quote:
Originally Posted by redondoaveb (Post 4012222)
Not sure what kind of power you're planning on making but you may want to think about 1300cc injectors. You can run out of injector real quick with 1000cc
i'd like 650WHP on pump gas. worried about the already high compression ratio of the vq37. was thinking that's relatively conservative numers these days on this platform but would definitely step up the injector if necessary.

redondoaveb 10-26-2021 10:38 PM
Quote:
Originally Posted by SeeThruHead (Post 4012223)
i'd like 650WHP on pump gas. worried about the already high compression ratio of the vq37. was thinking that's relatively conservative numers these days on this platform but would definitely step up the injector if necessary.
What octane do you have there? 650 on pump might be out of reach. I had 1050 injectors and a single walbro 450 running e85 and my injector duty cycle was at 125% at 650whp. I had to go with 1300cc's and twin pumps

SeeThruHead 10-26-2021 11:21 PM
Quote:
Originally Posted by redondoaveb (Post 4012224)
What octane do you have there? 650 on pump might be out of reach. I had 1050 injectors and a single walbro 450 running e85 and my injector duty cycle was at 125% at 650whp. I had to go with 1300cc's and twin pumps
Just 94 at certain pumps. 91 everywhere else.

HapaZ 10-26-2021 11:35 PM
Quote:
Originally Posted by redondoaveb (Post 4012224)
What octane do you have there? 650 on pump might be out of reach. I had 1050 injectors and a single walbro 450 running e85 and my injector duty cycle was at 125% at 650whp. I had to go with 1300cc's and twin pumps
What pumps did you go with? I'm considering a TI automotive brushless pump and wondering if one will do for around 650whp on e85.

redondoaveb 10-27-2021 12:28 AM
Quote:
Originally Posted by SeeThruHead (Post 4012226)
Just 94 at certain pumps. 91 everywhere else.
91 might be pushing it. 94 should be doable


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