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Ticking noise at 2.5k+ rpm

Posted by Sephent, Jan 22, 2020

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  1. Sephent

    Sephent Proven Member

    59
    2
    Joined Feb 18, 2016
    Medford, Oregon
    Hey. Any idea what this noise is from and how to fix it and how bad it is? Makes the noise at 2.5k+ rpm. Sometimes it is louder. Sometimes it doesn't make the sound. Sometimes I barely hear it when at cruising speeds. It's worse in the lower gears at 2.5k+ rpm. Sounds like it's coming from the right side of the engine on top. Thanks!
     

    Street Build 153  3

    1999 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  2. Widgmaster

    Widgmaster Supporting VIP

    55
    126
    Joined Aug 24, 2018
    Sarnia, ON, Canada
    Wooow... Sounds like a rod ready to let go .... or maybe a stuck lifter ...also sounds like valve chatter which may be the sound coming from the top of the motor. You better get after that right away . Id hate to hear you blew your motor brother ..If you have a stethoscope maybe you could pin point your problem ..
     

    53  1

    2002 Dodge Dakota Extended Cab
    rwd · automatic · Misc Vehicles

    195  8

    2001 Mitsubishi Eclipse Spyder GT
    fwd · automatic · Misc Vehicles
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  3. 609DSM

    609DSM Proven Member

    235
    111
    Joined Aug 13, 2019
    Princeton, New Jersey
    Yikes, doesnt sound good. Not familiar with that noise. I would tear down your engine and figure out what could be causing that, assuming you have the time to do all that.

    Not sure if that is your daily but that sound is worrisome my friend.
     

    Street Build 277  1

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  4. motomattx

    motomattx Proven Member

    2,196
    844
    Joined Dec 9, 2010
    wampum, Pennsylvania
    Yeah, thats a no from me dawg.:barf: Thats a rod that wants to come out and see the daylight or a broken piston or a worn wrist pin in that order depending on mileage.
     

    Drag Race Build 3K  24

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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    609DSM likes this.
  5. Sephent

    Sephent Proven Member

    59
    2
    Joined Feb 18, 2016
    Medford, Oregon
    Ugh. Was worried that was it. Had the same issue with a non running gsx I picked up last year. Was just WAY worse and did it at idle. This is a temporary bandaid car till I get my main car fixed up from totaling it. Was just hoping it would last longer and still be good for resale if I didn't decide to keep it in the end. I'll make sure to baby it from now on. Maybe add a lucas additive or something to it also...
     

    Street Build 153  3

    1999 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  6. Mello

    Mello Proven Member

    1,015
    281
    Joined Jul 4, 2003
    Albuquerque, New Mexico
    There's no snake oil made that will fix this. You won't get very far babying either. Time to park it & fix.
     
    Kryndon likes this.
  7. Kryndon

    Kryndon Proven Member

    424
    242
    Joined Jan 10, 2014
    Bulgaria, Europe
    Either a rod(s) or balancer shaft(s). In both cases you probably have a few minutes of running time before it properly dies, so forget about "babying" it and driving anywhere. First time I suffered spun bearings/rod failure was on the highway. I suddenly started hearing a light tick, which over 3-4 miles got louder and louder, more like knocking. At that time I wasn't so knowledgeable so I thought it was valves hitting or something. Pulled over and called a tow truck. He left my car about half a mile away from the nearest shop, so I thought I could 'chance it' and drive over. On the first crank I heard a loud SNAP and it seized up.

    Drain a bit of the oil to confirm you've got bearing material in there. In either case the engine is done. And it's not like the sound of a bad lifter or even bad pulleys. I've heard those; this ain't it, unfortunately.
     

    Street Build 3K  12

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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    BLACK'98DSM likes this.
  8. BLACK'98DSM

    BLACK'98DSM Proven Member

    1,518
    561
    Joined Feb 9, 2019
    Hoover, Alabama
    All of this is great info, but the 420a does not have balancer shafts.
     

    Road Race Build 3K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    33  3

    2008 Tomberlin Crossfire 150R
    rwd · manual · Misc Vehicles

    48  6

    2008 Tomberlin Crossfire (325 swapped)
    rwd · manual · Misc Vehicles
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  9. BLACK'98DSM

    BLACK'98DSM Proven Member

    1,518
    561
    Joined Feb 9, 2019
    Hoover, Alabama
    There are only 8 bolts holding on the valve cover. Pull that thing off and make sure there are no gaps between the lifters and cams. If that checks out then it is time for a rebuild of the bottom end. Good luck man
     

    Road Race Build 3K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    33  3

    2008 Tomberlin Crossfire 150R
    rwd · manual · Misc Vehicles

    48  6

    2008 Tomberlin Crossfire (325 swapped)
    rwd · manual · Misc Vehicles
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    Widgmaster likes this.
  10. motomattx

    motomattx Proven Member

    2,196
    844
    Joined Dec 9, 2010
    wampum, Pennsylvania
    The positive is that those cloud car 420a engines are very abundant in yards and pretty cheap to pick up for maybe a few hundred dollars if you just want to do a weekend swap out on it.
     

    Drag Race Build 3K  24

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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    609DSM likes this.
  11. BLACK'98DSM

    BLACK'98DSM Proven Member

    1,518
    561
    Joined Feb 9, 2019
    Hoover, Alabama
    They're easy to rebuild too, and parts are cheap.
     

    Road Race Build 3K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    33  3

    2008 Tomberlin Crossfire 150R
    rwd · manual · Misc Vehicles

    48  6

    2008 Tomberlin Crossfire (325 swapped)
    rwd · manual · Misc Vehicles
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