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Old Jul 2, 2017 | 03:37 AM
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Default 10 sec 4.8

Been a while since this ET but thought i would share.

Customers juan razo RCSB 4500lb full weight ac daily driver

Engine is a gen 3 4.8 NNBS intake stock 706 heads chinese studs oem headgaskets KHP turbo kit s476 batmowheel bullseye turbo T4 with a 87mm turbine wheel
Has an ls9 oem cam, stock pushrods, and btr double springs
Transmission is a 80e with internal dual feed mod and a 2b circle d converter

Rear is 10 bolt with moser axles detroit tru trac and 4.10 gears

Stock driveshaft, stock front shocks, stock rear shock location, VAS traction bars.

Tires are et street R and wheels are racestars, 28" tire and 17" wheel.

Fuel system is 2 450 lph walbros in tank, 8 an feed, aeromotive fpr, stock truck fuel rails, 210 lb injectors, e85.

No idea on horsepower nor torque, made 800whp/800wtq on 20 psi on a cast standard t4 s475, I am guessing it's close to 1000whp now that the truck is on 26 psi.

Best pass and ET to date is in the slip, 10.04 at 138mph

Going to use a gen 4 aluminum 4.8 next with ls9 cam to see if it can go 9s.

This is on a 2 psi launch, footbrake, and has 24 psi up until i lockup the converter around 100mph which then shoots up to 26 psi. Timing is 12* at peak torque and 14* afterwards.
Attached Thumbnails 10 sec 4.8-17761164_1236615779790942_3229964004965993223_o-1.jpg  

Last edited by subeone; Jul 2, 2017 at 03:50 AM.
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Old Jul 2, 2017 | 06:50 PM
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Damn what a beast
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Old Jul 2, 2017 | 09:53 PM
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OMG, that is getting it done!
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Old Jul 3, 2017 | 09:37 AM
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Wow its a monster!

Why the LS9 cam?
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Old Jul 3, 2017 | 04:55 PM
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Yea it runs its *** off for sure and well we wanted to be the first 4.8 rcsb to run a 9 with an ls9 cam lol i think theres a 5.3 running a 9 with one in the valley.
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Old Jul 7, 2017 | 11:21 PM
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truck just ran a 9.9 at 142 mph! this time with a ljms stage 2 cam 23-24 psi
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Old Jul 11, 2017 | 09:30 AM
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new pb 9.902 now at 143 mph
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Old Jul 16, 2017 | 09:25 AM
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Them rods are hating life right now! Impressive numbers
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Old Jul 16, 2017 | 05:37 PM
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Really impressive!
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Old Jul 16, 2017 | 06:01 PM
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thanks guys, gona do a glory run soon on 30#
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