What is the easiest least expensive turbo swap? - Page 2
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This is a discussion on What is the easiest least expensive turbo swap? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Originally Posted by GraysonSubaru if you are going to have it port and polished, it does have an effect. what ...

  1. #16
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    Quote Originally Posted by GraysonSubaru View Post
    if you are going to have it port and polished, it does have an effect.
    what you mean to say is if you're paying a vendor like deadbolt to port and polish it FOR you, then it makes a difference.

    if you do it yourself it makes zero difference.

    the idea that every cracked housing makes a junk turbo is ridiculous. please don't persist with the notion that the crack is a total deal breaker.

    plus the 39's are notorious for boost creep unless you go through the trouble of a bigger waste gate...which just adds to the cost of the turbo setup as a whole.
    there are hundreds and hundreds of vf39s out there being used every day without boost creep issues and without having a bigger wastegate flapper installed.

    most of the turbos that DO have creep issues could be solved with judicious exhaust housing porting, which can be done in all but the most seriously cracked cases.

    most vendors don't like you to know that, though--there's no profit in teaching people to do things themselves and not waste money on new parts.

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  3. #17
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    Quote Originally Posted by ride5000 View Post
    what you mean to say is if you're paying a vendor like deadbolt to port and polish it FOR you, then it makes a difference.

    if you do it yourself it makes zero difference.

    the idea that every cracked housing makes a junk turbo is ridiculous. please don't persist with the notion that the crack is a total deal breaker.



    there are hundreds and hundreds of vf39s out there being used every day without boost creep issues and without having a bigger wastegate flapper installed.

    most of the turbos that DO have creep issues could be solved with judicious exhaust housing porting, which can be done in all but the most seriously cracked cases.

    most vendors don't like you to know that, though--there's no profit in teaching people to do things themselves and not waste money on new parts.

    how many people do their own port and polishing....probably less than half...maybe even less than 1/4. most send it off to be done..regardless of where they bought the turbo from (vendor, ebay, friend, etc).

    i am sure there are tons of turbos out there that work just fine, but you have to take into account that it has been an issue for more than just a couple in the country so it does affect how you look at something.

    one person has a problem...maybe it was just them or their install. Several people have problems, then it is definitely something you want to consider in your purchase.

    IMO, you are better off spending a little more money for a product that has a backing or warranty and know that if the product goes bad due to weak/faulty part, that it will not cost you a ton of money to get it fixed. with a VF39 that most people will just look to buy on ebay, you dont totally know what you are getting and if it does break down, then you have spent that money not only for the part, but for any additional parts you installed because of it, labor time (if you do it yourself), labor cost (if you have someone else do it) and the frustration. Rather than pay $300ish for a 39, i would spend more for a nice 16g and get a little more power. I dont know that the increase is really worth the power gain in the 39 on the 2.5L engines. it would probably be worthwhile to save a little longer until you can go bigger, 18g or something.
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