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Maxed out L83

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Old 01-16-2019, 09:46 AM
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Default Maxed out L83

2016 High Country 1500
Whipple 2.9 @ 15lbs.
NW 102 TB
Stainless Works Headers & Exhaust
LT4 Injectors
LT4 Fuel Pump
Elite Catch Can
Cold Air Inductions Intake
Alky Control Meth System
6" BDS lift cranked up to 8"
BDS Traction Bars
24x12 FF39s on 35x13.50r24

Sure I am forgetting a lot. About to swap with built LT1 in next few weeks. Coming for all the great info here.



Old 01-16-2019, 10:06 AM
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Welcome! Holy crap that TB looks enormous!
Old 01-16-2019, 10:08 AM
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Haha it aint small thats for sure. Still up in the air on any big performance gains from it. I have a ported factory TB as well that seems to have better manners.
Old 01-16-2019, 10:18 AM
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Must've increased boost though based on 15 lbs with a 4.125 pulley? My stocker is 4.375...less than 10lbs. Damn nice truck!!! Any issues getting the LT4 pump to fit with your intake manifold? Talked to Whipple yesterday and they said no changes have been made.
Old 01-16-2019, 10:22 AM
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Old picture...Has a 3.75 on it now...scared to push it any further than that.

1lb + boost over the stocker with the Nick Williams.

Last edited by PonyKLR416; 01-16-2019 at 10:28 AM.
Old 01-16-2019, 10:24 AM
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And surprisingly no. I read of a lot of guys having issues with LT4 pump clearance but none here. Lucky I guess!
Old 01-16-2019, 11:09 AM
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Man that is great news. Looks like my next upgrade. Stock cam and low side fuel?
Old 01-16-2019, 11:13 AM
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Stock cam and stock lowside fuel. Between the LT4 pump and injectors, I seem to be getting plenty of fuel. Really using the meth as a safety precaution.

I had a 465 lowside pump from Armageddon in for a bit but seemed to throw things out of whack. Was going to try it again once the cubes are up.

Last edited by PonyKLR416; 01-16-2019 at 11:33 AM.
Old 01-16-2019, 11:33 AM
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Appreciate the great info! Any clue on the whp #'s? I realize the lift and tires take a lot to turn.
Old 01-16-2019, 11:38 AM
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I have had trouble getting it on a dyno anywhere down here in south FL ..too big. If I had to guess, I would say mid to high 500s.

I have a few fast cars...Ferrari F12, Procharged 67 Camaro. This thing moves...definitely somewhere in the 12s at the moment. Excited to see what she can do when the built motor is in there.


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