Head Work? Valve springs and retainers? Valves?

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Thread: Head Work? Valve springs and retainers? Valves?

  1. #1
    SloCruze is offline [OP]
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    Head Work? Valve springs and retainers? Valves?

    I was going through some old forms and I saw that there was a topic where a guy wanted to open up our heads and forged the internals but I want to know if someone has done it yet. My current plan is to have the heads opened up, upgrade my springs with bigger valves, and upgrade the pistons.


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  3. #2
    1st Gear Markj2222's Avatar
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    Jul 2012
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    Edmonton, AB. Canada
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    I rebuilt my engine with Vtuner forged pistons and Valve Springs.


    Had to send the head to a machine shop to press in new seals as overheated my two inner most exhaust valve seals. They put in new springs free of charge upon full head rebuild @ $800 (Candian rupples)


    Needed these tools, rented a good ring compressor for free, 20 hours of self labor
    Freedom AM-49977 Engine Timing Tool Kit for 1.4L

    Challenging points:
    Engine needs to be suspended to access front cover, used a cheap Come-A-Long Winch to the roof to hold engine.
    Needed a plastic gasket removal tool & Solvent to clean block surfaces
    Keeping your stick on the Ice

    Other notes:
    Did the rebuild around 75k miles
    Use oem piston rings, they are very strong, made in germany, they come pre-gapped
    Do not bore sleaves! I ran over 2000F and my sleeves were mint. Could see original machining lines, no TDC lip!
    Boring your sleeves will require custom pistons/rings
    Stock Cams are ideal.
    Stock Rods are Forged
    Loosen the radiator to get more working area in the engine bay.
    Able to do rebuild with block in engine bay, car on ramps
    Last edited by Markj2222; 05-18-2017 at 02:22 PM.
    2012 Chevrolet Cruze LT Manual 6
    Mods: HP Tuners ~22 PSI, 8-11 *Timing advance , 12:1 AFR (WOT)
    Water/Meth 50-120 ML/min, Vtuner Forged Pistons & Valve Springs
    Turbonetics 11038-BB, 2.5 inch exaust, magnaflow muffler.


    Tires:
    Bridgestone Blizzak WS-80 215/60R16
    220 WHP at 22PSI Soon for 35 PSI @ ??? WHP

  4. #3
    SloCruze is offline [OP]
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    Quote Originally Posted by Markj2222 View Post
    I rebuilt my engine with Vtuner forged pistons and Valve Springs.


    Had to send the head to a machine shop to press in new seals as overheated my two inner most exhaust valve seals. They put in new springs free of charge upon full head rebuild @ $800 (Candian rupples)


    Needed these tools, rented a good ring compressor for free, 20 hours of self labor
    Freedom AM-49977 Engine Timing Tool Kit for 1.4L

    Challenging points:
    Engine needs to be suspended to access front cover, used a cheap Come-A-Long Winch to the roof to hold engine.
    Needed a plastic gasket removal tool & Solvent to clean block surfaces
    Keeping your stick on the Ice

    Other notes:
    Did the rebuild around 75k miles
    Use oem piston rings, they are very strong, made in germany, they come pre-gapped
    Do not bore sleaves! I ran over 2000F and my sleeves were mint. Could see original machining lines, no TDC lip!
    Boring your sleeves will require custom pistons/rings
    Stock Cams are ideal.
    Stock Rods are Forged
    Loosen the radiator to get more working area in the engine bay.
    Able to do rebuild with block in engine bay, car on ramps
    Okay cool thanks for that. I'm doing a rebuild but I am trying to build the motor to slam more boost in and make more power. So thank you for those tips my good sir


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  6. #4
    5th Gear Jerry@BNR's Avatar
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    Nov 2011
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    BNR's got the strongest valvesprings available for these, and we've got pistons too. Pistons are made for us by CP.

    BNR Valve Springs for 1.4T LUV/LUJ
    Hidden Content
    Performance Parts and Custom Automotive Tuning

    Cruze 1.4T LUV/LUJ: +70HP +100TQ
    Cruze 1.4T LE2: +63HP +92TQ

    MAKE SURE TO LIKE US ON FACEBOOK TO KEEP UP TO DATE ON ALL OUR NEW PROJECTS!

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  7. #5
    SloCruze is offline [OP]
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    Quote Originally Posted by Jerry@BNR View Post
    BNR's got the strongest valvesprings available for these, and we've got pistons too. Pistons are made for us by CP.

    BNR Valve Springs for 1.4T LUV/LUJ
    Jerry quick question since you're a BNR representative. Is there a difference in power gains between the gtx14 turbo and vtuning's super gt14 turbo? And when it comes to installation what is needed?


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