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what should be my next mod [LS1]

Discussion in 'LSx Development and Modification' started by Kingston_99, Jul 23, 2010.

  1. Kingston_99

    Kingston_99 383ci HTV2300 blown LS1!!

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    hey people.
    i have a VY series II SS ute.
    mods done so far:
    Comp cam (mild cam, spec's unknown)
    OTR intake
    Maffles tune
    Pacemaker extractors
    Custom twin 2 1/2 exhaust with X-force stainless hi-flow cats and Red Back high flow muffler.

    got a new clutch going in on Wednesday (TEX Z grip clutch with a Ripshift), so more power is on the line.

    i have been thinking a storker kit, but what are some other mods i can do to get some good numbers with out going forced induction (not yet anyway).
     
  2. helicraze

    helicraze New Member

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    Aside from spending lots of cash on little things for minimal gains eg MSD coils, fast manifold, larger TB, best to save for the stroker kit. About 10K i think drive in and out.
     
  3. Kingston_99

    Kingston_99 383ci HTV2300 blown LS1!!

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    actualy i wouldnt mind a larger TB. i keep reading everywhere that these motors love air.

    and Dammmm!!! was not expecting stroker kit to be that much. i just want the kit, and probs fit myself.
     
  4. nate-vy

    nate-vy New Member

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    you could prob pick up a kit for round 4-5ish maybe ? but your pretty keen to do it yourself . you a mechanic ?
     
  5. s_ikari2015

    s_ikari2015 Fun IS easier with an 8

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    You could get the manifold and TB setup (85-92mm) for about $1,500. Apparently it's around the 20hp gain mark. I would dare say that would also be after a decent dyno tune, another $1k +
     
  6. 17UCK!

    17UCK! New Member

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    diff gears, bigger thottle body, heads. ive heard the fast manifolds dont do much unless u have stroker kit or turbo or blower.
     
  7. Vt_vic

    Vt_vic New Member

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    depends on how much more power you want some 383's will give you 450rwhp depending on whats in it
     
  8. karlos

    karlos New Member

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    Diff gears and brakes.
     
  9. Kingston_99

    Kingston_99 383ci HTV2300 blown LS1!!

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    naa nate, i wish i was a machanic.

    can someone explain or direct me to what 383's are?

    yeah diff gear is on the list. i thought about brakes, but at the prices i got quoted....hell no! i mite find some Maloo ones.
     
  10. nevbal

    nevbal New Member

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    Next mod would be heads ,depending on cam specs you should see the 300rwkw mark ,
    dont waste your money on fancy manifolds, a t/b helps
    spend a little extra and get double valve springs for your own insurance .
     
  11. VZHSV

    VZHSV Member

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    my understanding is 383 is a stroker kit wich most LS1 owners stroke there 347's to
     
  12. karlos

    karlos New Member

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    (Kingston_99 QUOTE:)yeah diff gear is on the list. i thought about brakes, but at the prices i got quoted....hell no! i mite find some Maloo ones.[/QUOTE]

    Braided lines and good fluid will be a worthy upgrade for minimal outlay.Have you tried Race Brakes(Buisness)?

    If you go diff gears make sure you use genuine and not aftermarket if you want a quiet diff.This is going to be the mod that will bring a wide smile to the face,bring the package together.Id be looking at a Harrop diff cover to shortly.

    As someone mentioned,do you have valvesprings done?
     
  13. QldKev

    QldKev Member

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    Diff gears would be the next; I guess the issue here is if you go 3.9's and later go forced induction you may have to change ratios again.

    If you are going to a larger throttle body you should also go to a intake manifild to suit, as the inlet to the stock manifold is only 75mm.

    QldKev
     
  14. Kingston_99

    Kingston_99 383ci HTV2300 blown LS1!!

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    thanks for all the info guys, i gess i will just keep doing my research as i dont realy know where to start. i mite start of with a bigger zorst (purely just for the sound), then get a bigger cam with valves as well, then some heads, then (maybe) a stroker kit if i have the $$$$.

    my mind keeps jumping from one to the next.
     
  15. Kingston_99

    Kingston_99 383ci HTV2300 blown LS1!!

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    thats an easy fix there, as i have an OTR, so just a bigger rubber hose to connect the too.
     
  16. VTPREDATOR

    VTPREDATOR New Member

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    no, the mouth of the actual manifold behind the t/b is 75mm. not infront.
     
  17. HRT 666

    HRT 666 Cammed 8t-body stroker

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    Haha thats gold mate! Good one.
     
  18. OFF T4P

    OFF T4P Donating Member

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    best and cheapest way would be get a blower or turbo set up now then upgrade all them little things down the track it would make more sense to do it that way as you can buy parts that suit forced inductions instead of having to change stuff later on to suit. plus it will be the cheapest way to get good power. very streetable power also.
     
  19. s_ikari2015

    s_ikari2015 Fun IS easier with an 8

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    That's why some people don't realise bolting on a bigger throttle body alone does nothing, there's still the 75mm bottleneck of the manifold.
     
  20. Claudy

    Claudy French Com

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    If manual get 4.11 diff gears, I have and wouldn't go back at best thing I ever did(after mafless tune)
     

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