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Blown motor 2010 Tundra

Discussion in 'Performance and Tuning' started by Janfire, Aug 8, 2016.

  1. Aug 8, 2016 at 10:09 AM
    #1
    Janfire

    Janfire [OP] New Member

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    I am in need of some advice... we own a 2010 supercharge tundra. Last weekend, at 140 000kms the motor blew... Connecting rod went through the block motor. Toyota says 'well its not under warranty any more so tough luck'. Does this seem normal to anyone?? Spending over 60 grand on a truck, doing all required maintenance at the dealer and having this happen... we are kind of stunned. Would have thought one of the highest ranking car manufacturers would help us out at little more, and possibly find a justifiable reason as to WHY the connecting rod went in the first place. In 2007 there was a recall on these trucks for that exact reason, maybe this could be the same for the 2010??
     
  2. Aug 8, 2016 at 10:32 AM
    #2
    Mike

    Mike Tread lightly.

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    yep bank account is running low from it..
    Depends was the maintenance done per spec first..

    If you FLOORING it from stop light to stop light that will shorting the life alot.

    Connecting rod could have had been bad from the start( hard to prove) and the supercharger made it fail faster..

    Wrong type of oil used.( Too thin or too thick)

    Upped the pulley to higher boost psi of the supercharger can cause failure.

    Applying boost to a very cold engine no no..
     
  3. Aug 8, 2016 at 10:59 AM
    #3
    Janfire

    Janfire [OP] New Member

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    Thats the problem... Without trying to sound like those 'perfect' vehicle owners, synthetic oil, no overdoing it... We have two kids, live a relaxed lifestyle... The truck has had 2 owners, my father-in-law and us... My husband and his father the same, very meticulous with their vehicles.
     
  4. Aug 8, 2016 at 11:07 AM
    #4
    Mike

    Mike Tread lightly.

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    yep bank account is running low from it..
    To be honest no manufacturer is perfect not even Toyota.

    To be honest the supercharger adds LOT stress to the components in the engine.. sooner or later the supercharger will win and engine will lose.

    To me it sounds like a forge problem in the rod (void) that's what caused the failure...


    Do you have a pic of the rod sticking out of the block by chance?
     
  5. Aug 8, 2016 at 11:20 AM
    #5
    ColoradoTJ

    ColoradoTJ I'm a boob guy.

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    With around 87K miles (I assume you are canadian?), it would seem a little premature.

    As @Mike stated, the maintenance on said truck would be my concern. With a SC, everything comes into play. 3k on oil changes, premium fuel, mods, letting the truck get vacuum before taking off (so not just starting up and taking off, even if truck is already warmed up), good synthetic oil and filters...etc.

    Sometimes crap just happens. This is a 505HP motor that has 87K miles on it. I purchased my non-flex fuel truck purposely just to install a SC. I chose not to after some serious thought (I use my truck for a tow rig only). Now with the SC cost, no way I would do that. That 7200.00 along with the selling of my paid off truck is a healthy down payment on a diesel tow rig.

    If the SC is still good, I would look into a used motor. I have seen some lower mileage ones for 4000-5000.00
     
  6. Aug 8, 2016 at 9:43 PM
    #6
    Wynnded

    Wynnded Wait, what?

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    Would it just happen to be cylinder number 5? There's a thread where a guy has gone through two engines in as many months, and in both cases it was the number five cylinder that failed.
     
  7. Aug 8, 2016 at 11:39 PM
    #7
    mudsweatngearz

    mudsweatngearz New Member

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    On my 5.7 it was the number 9 cylinder that went....oh wait....
     
  8. Oct 21, 2016 at 10:39 PM
    #8
    signalbobby

    signalbobby New Member

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    Typically the con rod bolts backed out and caused it to blow through. The increased stress on each stroke causes the con rod bolt to go through more pressure and expansion than it would have without forced induction.

    My SC'd e46 m3 also blew a whole because the bolt backed out and ultimately releasing the cap through the bottom.

    When i built 2jz bottom ends, different cap bolts had different psi strengths and torque specs than others. I can guarantee an OEM bolt is nowhere near the strength as an ARP.

    Maintenance wouldnt have prevented something like this. It would have just worn down bearings.
     
  9. Oct 22, 2016 at 1:14 AM
    #9
    GNTundra

    GNTundra Troll Sniper

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    Ive run my Grand National at 24 psi for the last 35000 miles!! All together im running about a 150 more horsepower over stock on an unopened engine!! Tundra roughly at 125 horsepower supercharged!! Any number of things can go wrong to blow an engine!! I run various gauges and log everything while driving it!! A weak fuel pump along with bad gas to a plugged injector will fry a motor pretty quick!! I to considered a supercharger for my tundra but was unwilling to add gauges and monitor everything as its a daily driver!! Maintenance along with gauges is critical anytime forced induction comes into play IMO!! If the supercharger is OK I would sell it put that money into gettin another motor!! Doesnt sound like you need over 500 horses!! Good luck!!
     
  10. Oct 22, 2016 at 1:19 AM
    #10
    GNTundra

    GNTundra Troll Sniper

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    Had a 2002 E46 M3 for years Damn fine car:thumbsup:
     
  11. Oct 22, 2016 at 7:52 AM
    #11
    Mike

    Mike Tread lightly.

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    yep bank account is running low from it..
    The 3uz wasn't designed for a supercharger from the factory so it wasn't beefed up..

    If bolts are backing out either a) not torque right, b) improper torque techniques used, c) wrong bolt for the application. ( Highly the case in this problem). D) wrong type for metal used when manufacturering the bolt..

    I have built American engines excessive of 1500 HP and run like a dream.

    It all goes down to application,application application...
     
    signalbobby and RowdyRon like this.
  12. Oct 22, 2016 at 10:31 AM
    #12
    signalbobby

    signalbobby New Member

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    You are correct. If it was then there wouldnt be these issues. Application specific.
     
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