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Leak down tester??

Discussion in '348/355' started by johnk..., Feb 27, 2014.

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  1. johnk...

    johnk... F1 World Champ
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    #1 johnk..., Feb 27, 2014
    Think about buying a leak down tester. Anyone have any recommendations? I see the Long Acre for $105, a U S General for $54 to $35 depending on where you buy it. I know the Harbor Freight unit is not well thought of.
     
  2. drbob101

    drbob101 F1 Rookie
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    #2 drbob101, Feb 27, 2014
    I bought the HF one. You are welcome to borrow it anytime. I also bought their CC also.
     
  3. johnk...

    johnk... F1 World Champ
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    #3 johnk..., Feb 27, 2014
    I remember you were going to check your car. Have you had the time to do that yet, or has the cold held you hostage. :)

    I'll probably just buy the US General one sold through Sears Market place. Sears.com though this one looks better made:

    Test Equipment/Tools - Longacre Leak Down Tester But it doesn't come with all the adapters.
     
  4. plugzit

    plugzit F1 Veteran
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    #4 plugzit, Feb 27, 2014
    Search button is your friend.
     
  5. SoCal1

    SoCal1 F1 Veteran
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    #5 SoCal1, Feb 27, 2014
    OTC makes some decent stuff at a good price. A step up from HF for sure

    I have both and the read close the HF does not come with the correct threads for a 355 you have to make your own or buy one with a long neck to fit way down in the deep hole
     
  6. drbob101

    drbob101 F1 Rookie
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    #6 drbob101, Feb 27, 2014
    Ha John. I don't think I have even started the car since that thread.

    Good to know what Tim said about needing to makeup an adaptor though.
     
  7. johnk...

    johnk... F1 World Champ
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    #7 johnk..., Feb 27, 2014

    Tried it, but the search on this site is too vague. Also searched recommendations using google.

    Saw the OTC unit. Price varies for $60 to $130 depending on who is selling it. One thing I don't like about it is that the leakage gauge is not a direct read. I have the required extensions from my compression tester.

    Actually I'm not concerned with my 355 as the guides were done as part of the purchase. All cylinders 5% or better. I'm curious to see how my 150k mile Toyota truck and a couple of other higher mileage vehicles I have fair on a leak down.
     
  8. SoCal1

    SoCal1 F1 Veteran
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    #8 SoCal1, Feb 27, 2014
    Grab the HF you can even leakdown your lawnmower. :)
     
  9. ClydeM

    ClydeM F1 World Champ
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    #9 ClydeM, Feb 28, 2014
    IMHO - Harbor Freight is poo.
    I bought their compression tester and the numbers were way off.
    Replaced it as defective and the new unit was way off.
    I replaced it with a Sears and got different numbers.
    Went to the mechanic who used his snap-on and matched the Sears numbers.

    For a leak-down, I stopped screwing around & bought a snap-on.
     
  10. drbob101

    drbob101 F1 Rookie
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    #10 drbob101, Feb 28, 2014
    Last edited by a moderator: Sep 7, 2017
    Just to add tedium to this...

    When I was at Algar watching it being done on a car I was having a ppi done on, Tony mentioned that he likes and uses a one gauge leak down tester and prefers that. I really don't know why but here is a pic of the one he uses. I can't find it in a google search looking at images.
    Image Unavailable, Please Login
     
  11. johnk...

    johnk... F1 World Champ
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    #11 johnk..., Feb 28, 2014
    Found a review of several by Hot Rod Mag. I went with the Long Acre.
     
  12. brian.s

    brian.s F1 Rookie
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    #12 brian.s, Feb 28, 2014
    Looks like an old school Sun unit, as good as anything you'll buy new IMO.
     
  13. Dave rocks

    Dave rocks F1 World Champ
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    #13 Dave rocks, Feb 28, 2014
  14. GTO Joe

    GTO Joe Formula 3
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    #14 GTO Joe, Feb 28, 2014
    Yes that sure is a good "old school" Sun unit made right here in the USA many years ago. I collect their items and they still work real good. There is quite a trade going on EBay for their items.
     

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