4.8L 643hp@12.8psi on Kbracing compound turbo set up

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10-28-2013, 02:07 PM

#31

kbracing96

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Quote:

Originally Posted by Atomic

If I may interject, the main benefit of this kit will be in low-rpm, part throttle, not WOT. The big guy by itself will do much better for WOT highway bursts. What we really need to see is a dead stop, been ideling for a few minutes, WOT stomp on the gas. Or a dyno chart where you load it down to something like 2000 rpm to simulate that condition., and if you do this on a dyno, plot boost on the chart to see where it comes in.

Carry on

This setup drive's pretty much like a 60mm on a 4.8, but has top end of the big turbo. I don't know why you all think it's gonna have boost response like a roots blower!

It's still a turbo setup with a couple of turbine to spin up off idle and it does a pretty good job of it I think. No way you could get this kind of power out of a 60mm turbo alone!

Quote:

Originally Posted by shifty89

Classified information? Please. Off the shelf chargers aren't classified, and neither are compounds.

They are BW S480 T6. 96mm/1.32 a/r hot side and Magnum T60 P trim with a T4 .96 a/r hot side.

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10-28-2013, 02:17 PM

#32

smokeshow

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Did I miss an off-idle dig video??

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10-28-2013, 02:18 PM

#33

timmay208

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some damn good numbers!

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10-29-2013, 06:54 PM

#34

xx_ED_xx

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who's intercooler? sizes?

I need a bigger one for my truck. Finally ditching the rear mount

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10-29-2013, 07:46 PM

#35

06tx4.8

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right on Vic!!!congrats bro

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10-30-2013, 07:09 AM

#36

vicalma03

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Quote:

Originally Posted by smokeshow

Did I miss an off-idle dig video??

Little fun in the turbo truck - YouTube

Quote:

Originally Posted by timmay208

some damn good numbers!

Thanks!

Quote:

Originally Posted by xx_ED_xx

who's intercooler? sizes?
I need a bigger one for my truck. Finally ditching the rear mount

I built the intercooler. I believe Iits a 26x12x4.5 core. I have it in my build thread.

Quote:

Originally Posted by 06tx4.8

right on Vic!!!congrats bro

Thanks. Going Friday to the 1/8 to make some more test runs and to rwork on my 60ft times. Hoping to stall this thing up to 3k and get 8psi on the launch.

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10-30-2013, 11:23 AM

#37

chriscon7

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This thing is awesome, looking forward to seeing the final numbers

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10-30-2013, 11:43 AM

#38

casper02

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Damn very impressive i know my friend got 792rwhp of his 4.8 in 20 psi awhile back these stock bottom ends take a beating what does the kit consists of suspension and drive train wise
https://www.youtube.com/watch?v=2-jK...e_gdata_player

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10-30-2013, 01:09 PM

#39

vicalma03

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Quote:

Originally Posted by casper02

Rear is leaf springs and a set of my traction bars. Stock 4.8 rotating assembly, issky cam and ARP head studs. The tranny is a 4l80e with shift kit and 3200 circle d tripple disc. Does your buddy still have it and what did he run at the track on 20psi?

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