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2.7l Dyno results

Discussion in '4 Cylinder' started by RichXKU, Oct 25, 2009.

  1. Oct 30, 2009 at 6:45 AM
    #21
    RichXKU

    RichXKU [OP] Active Member

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    Sorry for the delay, I didn't get email notifications for some reason...

    Truck has just over 30,000 mi.
     
  2. Oct 30, 2009 at 8:57 AM
    #22
    supralight

    supralight Well-Known Member

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    I wonder why the torque you got is so much lower than the manufacturer spec (which I remember to be around 180-190 lb/ft) while hp has not dropped much from the spec. 159 hp.
     
  3. Oct 30, 2009 at 9:15 AM
    #23
    RichXKU

    RichXKU [OP] Active Member

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    Rated 159 HP/180 TQ so each metric lost about 20 units through the drivetrain. Are you sure you arent looking at the numbers backwards?
     
  4. Oct 30, 2009 at 9:28 AM
    #24
    08pretaco

    08pretaco Well-Known Member

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    thats not too bad and drivetrain losses and a few other things make a difference in the hp ratings
     
  5. Oct 30, 2009 at 2:08 PM
    #25
    supralight

    supralight Well-Known Member

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    I may have, I've looked at this post on my blackberry this afternoon, guess I replied too fast. both HP and TQ losses are below 15% so that seem's normal. about 13% loss in TQ, this is actually pretty good.
     
  6. Oct 30, 2009 at 8:40 PM
    #26
    beastlytaco

    beastlytaco Well-Known Member

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    well, with some mods that could always change right? i mean yeah power is lost throuh the drive train but still. it could make some of a difference?

    and did they make two different runs or something?
     
  7. Oct 30, 2009 at 9:39 PM
    #27
    RichXKU

    RichXKU [OP] Active Member

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    Yep, there were 2 pulls. Blue is the first, Red is the second. The second run started about 300 RPM lower.
     
  8. Dec 20, 2009 at 10:11 AM
    #28
    roddy1

    roddy1 Active Member

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    Pics dont work anymore, what were the numbers??
     
  9. Dec 20, 2009 at 10:38 AM
    #29
    RichXKU

    RichXKU [OP] Active Member

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    Pics Fixed!
     
  10. Dec 20, 2009 at 4:02 PM
    #30
    roddy1

    roddy1 Active Member

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    141whp and 157ft-lbs to the wheels is actually impressive compared to the manufacturers numbers.

    Im curious what someone might see with a header, catback and an intake!
     
  11. Dec 27, 2015 at 12:33 PM
    #31
    steiner

    steiner New Member

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    What happened to the images from the dyno? I don't see anything in the initial post.
     
  12. Dec 27, 2015 at 3:42 PM
    #32
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    It's a very old post (2009) and the pic he took has long been deleted. Interesting thread though.
     
  13. Apr 28, 2016 at 10:45 PM
    #33
    TRVLR500

    TRVLR500 Well-Known Member

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    Just resurrecting an old post. The 2.7 is a slug at low RPM. Especially at 7000 feet. Once it gets above 4000 RPM it wakes up quite a bit but most of us don't ever rev them that high routinely. Still no powerhouse but it's very noticeable once the revs get above 4000 RPM. That is probably the reason so many get 300,000+ miles out of these 2.7's. When used for everyday driving and not revved pulling their GCVW every day they last for a long, long time. I'd bet that if one was to use the 2.7 the way it was designed, for example, towing it's gross GCVW regularly we'd see them worn out at 200,000 if that. Not just the engine but the whole truck. Anyone that has REALLY used their 2.7 at the max regularly can post and prove me wrong. I'd like to know how long these 2.7's as well as the truck as a whole really last when worked all week long at high RPM's towing loads. Every week. All year long year after year at their GCVW or close to it.
    Don't misunderstand me. I'm not trying to start an argument. I own a 2004 RC 4X4 and love it. I'm just wondering how durable these trucks are in real world working conditions when loaded all the way up and actually used for their intended purpose.
     
  14. Apr 29, 2016 at 4:16 AM
    #34
    Ruggybuggy

    Ruggybuggy Well-Known Member

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    Good luck with that. Finding someone that uses the truck that way is like finding a needle in a hay stack. It's not a commercial use vehicle. It would be a tough argument to dispute the reliability of the 2.7 Tacoma no matter how it was used.
     
  15. Apr 29, 2016 at 7:55 PM
    #35
    TRVLR500

    TRVLR500 Well-Known Member

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    I suspect you're right but I'd bet there are a few out there who actually use them hard as work trucks. I was just "fishing" to see if there was anyone like that on the forum. I highly doubt there would be so many with 250,000+ on them if people actually worked them hard regularly.
     
  16. May 1, 2016 at 11:20 PM
    #36
    Juggernaut

    Juggernaut Captain

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    You could say that about any vehicle...
     
  17. May 2, 2016 at 11:20 AM
    #37
    DGXR

    DGXR Well-Known Member

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    Anyone who would push a vehicle to 100% (or close to it) on a regular basis will probably buy something with a higher rating so they don't have to constantly wring the shit out of it... assuming they want something that will last.

    E.g. When hauling or towing any considerable load, many V8 trucks will get better fuel economy than our 4-cylinders because they just aren't working as hard. But driven normally on the street, or light loads, our 4-cylinders do really well.
     
  18. May 2, 2016 at 8:35 PM
    #38
    TRVLR500

    TRVLR500 Well-Known Member

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    I think you are right. I am one of those that always buys "more than I need". I wouldn't buy something and then use it to it's maximum capacity. It's cheaper in the long run to buy more than you need. I was just fishing as I said in a previous post. If I ever did have to tow with my taco I wouldn't tow more than 2500lbs even though it's rated at 3500. I also wouldn't do it regularly. If I was ever forced into a situation to tow 3500 lbs I would but that isn;t going to happen and if by some chance it did? It wouldn't be more than a twice in a lifetime event and it sure wouldn't be very far.
     
  19. May 2, 2016 at 8:47 PM
    #39
    Jakers83

    Jakers83 Well-Known Member

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    OME lift. Tires and wanting more
    I pull 2300lbs every day at 6500-8000ft. Truck is still holding strong and motor is great still. Never had a problem and just changed my plugs tonight and look amazing my drive ranges from 40 miles to 100 miles a day
     
  20. May 2, 2016 at 8:51 PM
    #40
    TRVLR500

    TRVLR500 Well-Known Member

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    Cool! I knew some of you guy's were out there. How many miles on the truck? I'm assuming it is a 3RZ?
     

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