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Turbo Question

This is a discussion on Turbo Question within the Forced Induction forums, part of the LSx Technical Help Section category; I am embarking on a build that will hopefully wind up being turbo charged at some point. I know there ...

  1. #1
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    Rio Red
    1988 Chrysler Conquest

    Turbo Question

    I am embarking on a build that will hopefully wind up being turbo charged at some point. I know there are some experts out there so I was going to ask their opinion. Here is what I am about to do and I want to know with the following done:
    1. Will it work with my current set up? (Post Swap)
    2. What size turbo would be recommended?
    3. Roughly what would be the HP increase at recommended boost be?(I have a cap on hp)

    The following is the build specs.
    1988 Chrysler Conquest TSI
    1. Gen III 4.8 LR4
    2. Stage II CNC ported heads 2.00/1.54 Stainless Steel Valve Package with multi angle valve job.
    3. Crane Hydraulic Roller Cam .590 lift & 224/232 duration split at 0.050 +115LSA
    4. F.A.S.T LSXRT Intake
    5. Godspeed 102mm throttle body.
    6. Hooker 1 3/4 Headers
    7. Borla XR1 Race Mufflers

    This build is supposed to produce 476fwhp according to Super Chevy Mag.

    ***The vehicle drive train is tested to withstand 650fwhp so I would probably want to keep it under 600.***

    Any advice would be greatly appreciated. Also does anyone have recommendations on where to have the head work done? I would also like peoples opinion on auto or manual tranny? Thanks again!

  2. #2
    Senior Member bigrondownhiller's Avatar
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    Black
    1996 Camaro Z28 vert

    Auto will be more consistent on the track. Manual will be more fun.

  3. #3
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    Rio Red
    1988 Chrysler Conquest

    Thanks for the input BigRon!
    "A man's worth is no more than what he thrusts his heart up"
    -Marcus Aurelius's Meditations

  4. #4
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    Intake and TB a complete waste of money on a boosted build. That TB would easily support 1500hp or more.

    If you havent already bought them, spend your money elsewhere

  5. #5
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    Rio Red
    1988 Chrysler Conquest

    Quote Originally Posted by stevieturbo View Post
    Intake and TB a complete waste of money on a boosted build. That TB would easily support 1500hp or more.

    If you havent already bought them, spend your money elsewhere
    Thanks Stevie. I have had that same advice on another forum and believe I will do exactly that. I seen another article in Super Chevy Mag where they took a junkyard 5.3 with 180K on the clock, put twins on it with the only modification being they sanded the rust out of the cylinder walls and ground the top piston ring down something like 18/1000 of an inch. They tried to intentionally detonate the engine with boost. After 30 or so runs and up to 26PSI they finally broke a lifter spring. In the meantime they made 1300HP on 26PSI with no engine detonation. Pretty amazing on an entirely stock engine!

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