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Old 05-07-2015, 01:16 PM   #1
zwalk
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K04 0026 Compressor on K03

Has anyone tried fitting their K03 with a different compressor and seen gains?

Just curious.
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Old 05-07-2015, 02:00 PM   #2
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It's probably more work than it's worth. Is the chra the same between the two?
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Old 05-07-2015, 02:16 PM   #3
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The K04-026 flows less than the stock turbo.
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Old 05-07-2015, 02:36 PM   #4
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You could try clipping it, though it's not really worth it. I got my K04 for $400 haha
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Old 05-07-2015, 02:46 PM   #5
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Quote:
Originally Posted by Goingnowherefast View Post
You could try clipping it, though it's not really worth it. I got my K04 for $400 haha
Me too!

CHRA for a k04-64 comes in at anywhere between $500 and $600 depending on where you get it. Not sure about other CHRAs, but if a slightly larger CHRA would fit into a k03 manifold and compressor housing it may be a really cost-effective way to add power. Best case scenario is you see performance a bit worse than the mk7 stage 2.
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Old 05-07-2015, 03:07 PM   #6
zwalk
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How the hell did you get a $400 K04!!
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Old 05-07-2015, 06:25 PM   #7
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Quote:
Originally Posted by zwalk View Post
Has anyone tried fitting their K03 with a different compressor and seen gains?

Just curious.
The rotating assembly in the IHI turbo you have is something a K04-026 could only dream about. If you're considering a compressor upgrade, don't go with something designed in the 1990s.
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Old 05-07-2015, 07:40 PM   #8
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The title was dumb, I should've just said has anyone changed the compressor
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Old 05-07-2015, 07:45 PM   #9
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How the hell did you get a $400 K04!!
They're blown. Basically all you're buying is the exhaust manifold, compressor housing and DV relo kits. You still need to shell out $600 for the chra, $500+ for the tune, $40 for the install kit and whatever else. It's cheaper than the going rate for a used k04 but by maybe $200-$300 at best.
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Old 05-08-2015, 04:57 PM   #10
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Then why did he say $400??
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Old 05-08-2015, 05:12 PM   #11
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Then why did he say $400??
he must of gotten lucky an was able to buy a blown ko4 for 400 but he still needed to spend 500-600 on a new CHRA then the tune an install kit.
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