LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

lsx376 procharger

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Old Jul 21, 2011 | 06:58 PM
  #1  
90-irocdx3's Avatar
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
lsx376 procharger

Displacement (cu in): 376 (6.2L)
Block: LSX cast-iron with 6-bolt cross-bolted main caps
Crankshaft: Nodular iron
Connecting Rods: Powdered metal
Pistons: Forged aluminum
Camshaft Type: Hydraulic roller
Valve Lift (in): 0.551" intake / 0.522" exhaust
Camshaft Duration (@0.050 in): 204° intake / 211° exhaust
Cylinder Heads: Aluminum L92 style port; "as cast" with 68cc chambers
Compression ratio: 9:1
Rocker Arm Ratio: 1.7:1

Last edited by 90-irocdx3; Jul 25, 2011 at 08:09 PM.
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Old Jul 21, 2011 | 07:47 PM
  #2  
Yahtzee's Avatar
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Joined: May 2007
Posts: 335
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From: Albuquerque
Car: 1989 IROC-Z28 Camaro
Engine: 403 LSX
Transmission: TH400
Axle/Gears: Moser 9" 3.25's
Re: lsx376 procharger

I say stick a boost friendly cam in that thing, some 120lbs injectors, upgrade the fuel system, hit it with some E85, 14lbs of boost and let it eat!
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Old Jul 21, 2011 | 08:59 PM
  #3  
90-irocdx3's Avatar
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: lsx376 procharger

Originally Posted by Yahtzee
I say stick a boost friendly cam in that thing, some 120lbs injectors, upgrade the fuel system, hit it with some E85, 14lbs of boost and let it eat!
haha not going that crazy yet, i have a pretty good fuel system already 340lph pump with a procharger boost pump. i was thinking 65lb injectors or 83lb injectors. the cam will be the next thing on list after the procharger is done. i want to stick with 91 pump gas not e85.
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Old Jul 21, 2011 | 10:50 PM
  #4  
1nasty86's Avatar
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From: Alabama
Car: 1986 camaro
Engine: ls2
Transmission: FLT stage 6 60e
Axle/Gears: 8.8 with 3.73's
Re: lsx376 procharger

What tranny you running? Because this thing could make some serious hp
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Old Jul 22, 2011 | 04:20 PM
  #5  
90-irocdx3's Avatar
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: lsx376 procharger

i am running a pro built pro street elite 700r4 handles like 800hp with a 3200 9.5 stall. everything is pretty beefed up even the stock 10 bolt has moser axles aluminum girdle and a few other things done to it. i dont drag race so it should be ok for the time being.
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Old Jul 22, 2011 | 07:58 PM
  #6  
406TPI's Avatar
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Joined: Sep 1999
Posts: 1,405
Likes: 8
From: Grand Rapids, MI
Car: 1985 IROC-Z
Engine: Magnacharged LS1
Transmission: T56
Axle/Gears: Ford 9" 4:11's
Re: lsx376 procharger

Wow..sounds like it's gonna be a beast! Good luck with your build.

That 10 bolt will be very short lived getting smacked around with all that torque. I'm only putting down 440 to the tire and I'm glad I invested in a 9 inch a couple years ago.
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Old Jul 23, 2011 | 04:28 PM
  #7  
Yahtzee's Avatar
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Joined: May 2007
Posts: 335
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From: Albuquerque
Car: 1989 IROC-Z28 Camaro
Engine: 403 LSX
Transmission: TH400
Axle/Gears: Moser 9" 3.25's
Re: lsx376 procharger

Yea 9" has been my favorite mod to my car besides the LS swap.
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Old Jul 26, 2011 | 09:25 PM
  #8  
90-irocdx3's Avatar
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Joined: Nov 2003
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: lsx376 procharger

just bought the procharger bracket from our new sponsor Indiana muscle, i will post pics when i get this quality part!
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Old Aug 2, 2011 | 04:42 PM
  #9  
90-irocdx3's Avatar
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Joined: Nov 2003
Posts: 1,194
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: lsx376 procharger

got my bracket from indiana muscle and this bracket is very quality work!
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Old Sep 12, 2011 | 06:37 PM
  #10  
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Joined: Jun 2001
Posts: 98
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From: Indiana
Car: 91 Firebird
Engine: LSX
Transmission: T400
Axle/Gears: 3.50
Re: lsx376 procharger

How is the build going? Just took mine to 9.4 @ 148! Wow!
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