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View Poll Results: What shoulfI do with my engine

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  • Stick with stock, change bearings and regrind crank

    0 0%
  • Go for 383ci stroker kit.

    5 100.00%
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Thread: Should I repair, or Stroke my LS1

  1. #1
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    Should I repair, or Stroke my LS1


    TransAmDan's Avatar
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    Should I repair, or Stroke my LS1

    Well as most of you know I have been having troubles with the bottom end of my engine, well the problem started at the top end.

    The valve train dumped some shrapnel down the bottom end. Ground down into the oil. this is not good for bearings.

    I have brought many parts to renew the top end, like cam, pushrods, lifters, rockers, gaskets and a more powerful cam.

    Engine is out. Crank will probably have to be reground and larger bearings fitted. The other option is to change the crank/rods/pistons and make it a 383ci.

    So I guess there is two options.

    Stick with 346ci (5.7L) approx 500hp
    Go with 383ci (6.3L) conversion to put out around 570+hp?

    2000 Trans-Am WS6 LS1 M6. (The Bat)
    Corsa Cat back, 3.5" dual tips. F.A.S.T LSX Intake / F.A.S.T Fuel rails, Dynatech LT Headers / Y-Pipe / No Cats, Wisper Lid, ported MAF, Racetronix 42lb/hr fuel injectors. Hypertech 160 stat. !AIR, !EGR. Walbro 255, SPEC Stage II Clutch / Flywheel. HPTuners 1BAR SD Tune. Wide Band gauge.
    389RWHP/380RWTQ ([477HP/460TQ]Flywheel) Dyno Dynamics

    More info and photos at:-
    http://www.solent-renegades.co.uk/co...-trans-am.html

  2. #2
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    Should I repair, or Stroke my LS1


    an88fiero's Avatar
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    Sorry Dan but for me it's a no-brainier - go 383

    But as Dave mentioned before it's easy to spend other people's money.
    Clare
    Swindon
    1997 Chevrolet Astro (my toy)
    2009 Dodge Challenger SRT8 (hubby's toy!)

  3. #3
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    Should I repair, or Stroke my LS1


    AmericanThunder's Avatar
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    Where is the option to swap the engine for a hellcat!!!!

    I say go 383. But then I always go aftermarket. It offers so much more bang for the buck and is generally more reliable as its not built to the same mass production numbers or to meet the manufacturers bottom line and sometimes don't have to meet the CAFE (emissions) standards.
    Stroke it!

  4. #4
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    Should I repair, or Stroke my LS1


    TransAmDan's Avatar
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    Shipping $223.00 from the states. Not too bad considering how much that weighs.

    2000 Trans-Am WS6 LS1 M6. (The Bat)
    Corsa Cat back, 3.5" dual tips. F.A.S.T LSX Intake / F.A.S.T Fuel rails, Dynatech LT Headers / Y-Pipe / No Cats, Wisper Lid, ported MAF, Racetronix 42lb/hr fuel injectors. Hypertech 160 stat. !AIR, !EGR. Walbro 255, SPEC Stage II Clutch / Flywheel. HPTuners 1BAR SD Tune. Wide Band gauge.
    389RWHP/380RWTQ ([477HP/460TQ]Flywheel) Dyno Dynamics

    More info and photos at:-
    http://www.solent-renegades.co.uk/co...-trans-am.html

  5. #5
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    Should I repair, or Stroke my LS1


    AmericanThunder's Avatar
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    Quote Originally Posted by TransAmDan View Post
    Shipping $223.00 from the states. Not too bad considering how much that weighs.
    Does this mean its ordered?

  6. #6
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    Should I repair, or Stroke my LS1


    TransAmDan's Avatar
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    No, just fishing for possibilities of what direction to go.

    Pound to Dollar is pretty pants, $1.6 to a £1 when I brought the car in 2002.
    $1.21 to a £1 now.
    However buying in the UK isn't any cheaper, so shipping costs comes into it, and import tax.

    It makes sense to 383ci it, as everything is fresh, but cost is a hurdle.

    Don't know how much it is to regrind the crank, but looking at over £100 for bearings and over 1 week delivery from RealSteel (no stock at present, just sold it all the other day) I know there are other places. There are two very local places that regrind cranks.

    2000 Trans-Am WS6 LS1 M6. (The Bat)
    Corsa Cat back, 3.5" dual tips. F.A.S.T LSX Intake / F.A.S.T Fuel rails, Dynatech LT Headers / Y-Pipe / No Cats, Wisper Lid, ported MAF, Racetronix 42lb/hr fuel injectors. Hypertech 160 stat. !AIR, !EGR. Walbro 255, SPEC Stage II Clutch / Flywheel. HPTuners 1BAR SD Tune. Wide Band gauge.
    389RWHP/380RWTQ ([477HP/460TQ]Flywheel) Dyno Dynamics

    More info and photos at:-
    http://www.solent-renegades.co.uk/co...-trans-am.html

  7. #7
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    Should I repair, or Stroke my LS1


    AmericanThunder's Avatar
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  8. #8
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    Should I repair, or Stroke my LS1


    TransAmDan's Avatar
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    What your thoughts on compression with that stroker, the pistons are -3.1cc, but I guess that is where there is a longer stroke more air gets in, so compression figure may be the more or less the same?

    2000 Trans-Am WS6 LS1 M6. (The Bat)
    Corsa Cat back, 3.5" dual tips. F.A.S.T LSX Intake / F.A.S.T Fuel rails, Dynatech LT Headers / Y-Pipe / No Cats, Wisper Lid, ported MAF, Racetronix 42lb/hr fuel injectors. Hypertech 160 stat. !AIR, !EGR. Walbro 255, SPEC Stage II Clutch / Flywheel. HPTuners 1BAR SD Tune. Wide Band gauge.
    389RWHP/380RWTQ ([477HP/460TQ]Flywheel) Dyno Dynamics

    More info and photos at:-
    http://www.solent-renegades.co.uk/co...-trans-am.html

  9. #9
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    Should I repair, or Stroke my LS1


    saleen 192's Avatar
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    Didn't crazy pete stroke black magic ? if he did mybe he could advise (and i am talking about his van)
    Upgrades = Saleen supercharger kit with JDM tune, 3.4 pulley , keene bell boost a pump , 62mm Twin Throttle body with spacer, EBC drilled grooved vented discs up front with red stuff pads all round , Boost gauge and Fuel psi gauge ,oil seperator, Additional cooling fans for heat exchanger, 7 row oil cooler BMR rear lower control arms. Exedy stage 1 clutch kit. 481Bhp total. Plus all the normal refinements you get with a saleen mustang production number 192 of 945 for that year.. New PB at santa pod 12.75sec 1/4 mile
    See xmas toy project in readers rides for my 79 Trans Am on going project , In my stable is a 2005 saleen mustang 79 Trans am 69 Chevy El camino what's next to add???

  10. #10
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    Should I repair, or Stroke my LS1


    AmericanThunder's Avatar
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    My thoughts were compression would increase and a 10sec search found a thread that agreed.
    http://www.ls1.com/forums/f7/compression-ratio-104238/

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