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408 Needs Turbo

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Old Dec 4, 2007 | 12:55 PM
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Default 408 Needs Turbo

I am in the process of putting a 408 into a '03 Silverado RCSB and need help picking a turbo. The engine has a 8.7cr, p&p 6.0 heads and a 224/231 .595 LSA 114 cam. The turbo kit is a rear mount STS that came with a Garrett GT70.
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Old Dec 4, 2007 | 01:33 PM
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What are your goals? Power wise and driving wise....What tranny?
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Old Dec 4, 2007 | 04:22 PM
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The tranny is a Level 5 4L60 and my goals are to be in the low 11's. I want to be in the 12-15lb boost range.
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Old Dec 4, 2007 | 04:45 PM
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Originally Posted by SRT10KLLR
The tranny is a Level 5 4L60 and my goals are to be in the low 11's. I want to be in the 12-15lb boost range.
Talk to TJ at Dr. Phils......they used a TC76 to get some nice #'s out of their truck.
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Old Dec 4, 2007 | 04:49 PM
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thread jack here.who are the hot chicks?LOL
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Old Dec 4, 2007 | 05:59 PM
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S85. I hear 408's love them
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Old Dec 4, 2007 | 06:17 PM
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Silverado SS, stock long block, 5880#'s, tc76@17psi, 3200ft DA, 11.8@119, off idle launch.
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Old Dec 4, 2007 | 06:49 PM
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Originally Posted by hellbents10
Silverado SS, stock long block, 5880#'s, tc76@17psi, 3200ft DA, 11.8@119, off idle launch.
Is that on stock suspension and tires? What is he doing for fuel? I would love to be in the 11's after the build. I assume it has a front mount though right?

Originally Posted by F1R427
thread jack here.who are the hot chicks?LOL
The one on the bumper is my girlfriend and the other one is her older sister who I have been trying to get with for a year now but no luck, lol.



J/K
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Old Dec 4, 2007 | 06:51 PM
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Custom front mount done in house, stock suspension with the front lowered 2", stock tires too.

This run was on 93oct. with the meth on hose the golf course mode.
http://videos.streetfire.net/video/b...b600cc1069.htm
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Old Dec 4, 2007 | 06:51 PM
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Originally Posted by SRT10KLLR
Is that on stock suspension and tires? What is he doing for fuel? I would love to be in the 11's after the build. I assume it has a front mount though right?


The one on the bumper is my girlfriend and the other one is her older sister who I have been trying to get with for a year now but no luck, lol.



J/K

bahahaahhahaa thats awesome!
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Old Dec 4, 2007 | 08:06 PM
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Originally Posted by hellbents10
Custom front mount done in house, stock suspension with the front lowered 2", stock tires too.

This run was on 93oct. with the meth on hose the golf course mode.
http://videos.streetfire.net/video/b...b600cc1069.htm
Great Run! And he took it easy out of the hole.

What size injectors, pump, rails etc. is he using?
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Old Dec 4, 2007 | 08:13 PM
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Stock rails, 255 walbros, and 60#ers.
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Old Dec 4, 2007 | 08:27 PM
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Great to know since I wasn't looking forward to buying a bunch of fuel stuff. If I can get away with just a pump and some Mototrons, great.
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Old Dec 5, 2007 | 09:11 AM
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Originally Posted by SRT10KLLR
Great to know since I wasn't looking forward to buying a bunch of fuel stuff. If I can get away with just a pump and some Mototrons, great.
you will need 2 pumps to feed the 60s.
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Old Dec 5, 2007 | 11:56 AM
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Originally Posted by quicksilverado
you will need 2 pumps to feed the 60s.
Would they both fit in the tank or do I have to have them external/inline?
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Old Dec 5, 2007 | 12:09 PM
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They will both fir in the tank with some bucket mods. Run one on a hobbs switch.
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