anyone dyno'ed a stock high mileage Si?
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Thread: anyone dyno'ed a stock high mileage Si?

  1. #1
    Platinum Member mreggball's Avatar
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    anyone dyno'ed a stock high mileage Si?

    I'm just posting this out of curiosity....
    My 8 year old son is now interested in cars, and we were chatting this morning about my 2012 Si. I told him I'm such a fan of this car, I could see myself keeping this one for a long time (I've previously leased for 3 years at a time). He said maybe I could keep it until he drives in 8-9 years and it could be his first car. I said maybe... LOL. At my current rate of driving, the car would have about 120-140k miles on it if/when I passed it down to him. Has anyone dyno'ed a stock Si (or other Civic) with higher mileage? Any power loss? This is just a general question, not specific to any one generation or engine.
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  3. #2
    Super Mod's Pet Old Guy In SI's Avatar
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    I don't know about a dyno but 140,000 is nothing for a Civic; it's just broken in at that mileage
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  4. #3
    Platinum Member mreggball's Avatar
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    Quote Originally Posted by Old Guy In SI View Post
    I don't know about a dyno but 140,000 is nothing for a Civic; it's just broken in at that mileage
    very true... so when I give it to my son, I can say "here's your new car" LOL
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  6. #4
    Top Dawg!! fisch's Avatar
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    I think at that point it'll be near perfect-age car for a brand new driver.
    Provided you take proper care of it; it'll be as safe, reliable, and enjoyable in ten years as it is today.
    I think I'm keeping my si forever.
    It just may be "the one"
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  7. #5
    One Bad Mama Jama!!! bigbadspoon's Avatar
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    I dyno'd my old '99 Civic EX when it had like 190k miles (my school just got a new dyno and needed a guinea pig). Put down 93hp at the wheels. Based on what I see around the forums, that's not terribly far off from what lower-mileage cars do. Usually between 95 and 105. I think it was rated at 132 to the crank when it was new.

  8. #6
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    140k, if cared for, you ought to have a good 95% of original compression (or more). Car should be serviceable to 250k with basic maintenance.
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  9. #7
    I Need A Vacation kev604's Avatar
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    Quote Originally Posted by mreggball View Post
    I'm just posting this out of curiosity....
    My 8 year old son is now interested in cars, and we were chatting this morning about my 2012 Si. I told him I'm such a fan of this car, I could see myself keeping this one for a long time (I've previously leased for 3 years at a time). He said maybe I could keep it until he drives in 8-9 years and it could be his first car. I said maybe... LOL. At my current rate of driving, the car would have about 120-140k miles on it if/when I passed it down to him. Has anyone dyno'ed a stock Si (or other Civic) with higher mileage? Any power loss? This is just a general question, not specific to any one generation or engine.
    What I've read not from experience but I 'd say at that mileage a 5% loss in HP can be expected.
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  10. #8
    I Drive Too Much 9GenSi's Avatar
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    I have driven a few Si's from new through 200,000+ and I have handed one off to my 16 yr old new driver son before. There is not really much of a noticeable hp loss at all through 200k if maintained properly. The one I gave to my son to learn how to drive had over 225,000 at the time and he loved it. No dyno was ever done on that 2000 Si, sorry can't help you with real numbers to back up my story.
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  11. #9
    Top Dawg!! fisch's Avatar
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    More than anything, you'll be happy knowing there's one more person in the world who knows how to drive a manual transmission- and a damn good 6 speed at that.
    9GenSi and Squidward like this.
    Hidden Content 2013 SOP 4dr SI. Vittuned and smiling. POP crew #414.

  12. #10
    Platinum Member mreggball's Avatar
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    Thanks for the replies guys. He helped me wash it today and check the oil and tire pressure. He's enjoying it so far.

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