WRX Injectors

Discuss topics related to the VH41DE, VH45DE, VK45DE, and VK56DE engines.
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Chrispy300
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Saw on another forum that 99/00 STI 440cc sidefeed injectors might fit the VH. Anyone tried?

Also keen for VG's as it would be a nice cheap upgrade with a bit more headroom, but without the expense of Nismo's/screwing around of Sard's.


infamous_t
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Why not use GTR 440cc, or SR20 550cc?

You do realise that OEM Nissan/OEM Mazda/Nismo/HKS/Sard/PE/BLitz etc are all standard sized injectors made by Denso

One is no better or worse than another

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Chrispy300
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Kewl, thanks for clarifying that

GTR's are top feed aren't they? And SR20's are 370's as well... S15 manual injectors are supposed to be bigger, but are a bit hard to find for a decent price. For a little extra might as well go Nismo's...

infamous_t
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Sorry yeah GTR are top feed,S15 are 440cc side feed.


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Carl H
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the 1g usdm sti injectors will drop in and are 550s from the get go.

Q45tech
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Remember there are 2 different rails [90-93 and 94 and] depending on years.

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Carl H
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right, i was assuming the 2nd gen rails would be used.

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Chrispy300
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No late model rail for me I have 2 early rails though. '94+ aren't real common in Aus...

tmorgan4
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I'm using a conversion kit to use 2nd gen injectors in the early model rails.


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