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Bugeye injector query

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Old 16 June 2010 | 08:26 PM
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Default Bugeye injector query

What is the max bhp you can get out of standard bugeye WRX injectors?

Would 440's from a classic fit?

Thanks.
Old 16 June 2010 | 08:44 PM
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classic injectors are different - they are side feed (yours are top feed)

You can get just over 300 bhp with the std 420cc injectors in yours.
Old 16 June 2010 | 08:53 PM
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Would that require a uprated pump? Or is the standard one up to the job?
Old 16 June 2010 | 09:49 PM
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I'd put an uprated fuel pump on. Just for piece of mind buddy.
Old 17 June 2010 | 06:08 PM
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Got an uprated fuel pump (Walbro)

I thought bugeye WRX injectors where 350cc ?
Old 17 June 2010 | 06:40 PM
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No idea, i'm going to be fitting sti pinks very soon, think theyy are 550's
Old 18 June 2010 | 07:08 PM
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Found out off some geezer called Andy Forrest, he said theyre 380cc and can take up to 300 bhp.

Apparently I should listen to what he says :P
Old 18 June 2010 | 07:22 PM
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Not wanting to dispute what andy is saying but they are scaled at 420cc in all the standard wrx maps.
Old 18 June 2010 | 07:29 PM
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You can squeeze a bit more flow from them by running at a higher fuel pressure, good for times when you are almost at the limit, as my "pinks" are currently...

dunx

P.S. Fuelab @ 4 bar static.
Old 19 June 2010 | 01:17 PM
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Originally Posted by dynamix
Not wanting to dispute what andy is saying but they are scaled at 420cc in all the standard wrx maps.
Good stuff, so if I want around 300bhp with a TD05-16g on, I could leave the standard injectors on and use a FPR?
Old 19 June 2010 | 02:29 PM
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yes
Old 19 June 2010 | 02:29 PM
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but it would be cheaper to find some second hand 550's
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