('03-'05) Vf23 - Subaru Forester Owners Forum
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post #1 of 10 (permalink) Old 11-07-2012, 03:40 PM Thread Starter
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Vf23

how does this rate up against a vf39?
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post #2 of 10 (permalink) Old 11-07-2012, 04:10 PM
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I considered buying that VF23 too. Lots of turbos for sale recently. Anyways I'm no expert but I did find this post while googling the same question.

VF39 vs VF23 vs 16G and my blue smoke issues
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post #3 of 10 (permalink) Old 11-07-2012, 05:20 PM Thread Starter
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I found some other posts about the same very turbo,might have some issues..not too sure.

Thanks for the article,will give it a read when I'm done having fun in the snow :)

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post #4 of 10 (permalink) Old 11-08-2012, 12:19 AM
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First question is..can you put bigger turbo? Because if you have serial engine (pistons,beams...) you don't need better turbo like Vf39 ..

Some info for IHI turbos..(VF22,23.24.28...)

Forester XT-285kw MT6
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post #5 of 10 (permalink) Old 11-08-2012, 03:46 AM Thread Starter
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Quote:
Originally Posted by Togh View Post
First question is..can you put bigger turbo? Because if you have serial engine (pistons,beams...) you don't need better turbo like Vf39 ..

Some info for IHI turbos..(VF22,23.24.28...)
Huh?

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post #6 of 10 (permalink) Old 11-08-2012, 05:11 AM
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I liked the VF23 more than the 48 I have now. It hits full boost much quicker and pulls awesome all the way to redline. The VF48 makes a little more power but the spool isnt nearly as fun.

It is a noisy turbo though, and older so more prone to failure.


My |FXT|
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post #7 of 10 (permalink) Old 11-08-2012, 07:00 AM Thread Starter
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That might have just changed my mind lol

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post #8 of 10 (permalink) Old 11-08-2012, 07:10 AM
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that is tuned to 18 PSI, so its got some more power in it. That one had a bit of a loud whine to it and had over 100k miles on it and my FXT has almost 200k so we didnt want to push it much more.

FYI the 23 is a roller bearing turbo, so it will hardly ever have shaft play. It will be hard to tell if its good until its installed and running. If I found a good deal on a low mileage or new one I would jump on it :)

Here are some comparison pics of the 23 and 48. You can see how much bigger the inlet is!


My |FXT|
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post #9 of 10 (permalink) Old 11-08-2012, 07:56 AM
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Theres a couple for sale right now. One here and i saw one on nasioc as well.
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post #10 of 10 (permalink) Old 11-08-2012, 09:24 AM Thread Starter
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Theres a couple for sale right now. One here and i saw one on nasioc as well.
Link to the one on nasioc?

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