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Old 15 November 2006, 09:19 PM
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powerwrx
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What is the most BHP you would recomend, using standard fuel pump
Old 15 November 2006, 09:31 PM
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what car?
Old 15 November 2006, 09:35 PM
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my94 wrx
Old 15 November 2006, 11:56 PM
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Sc0oby
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should be safe around 280-300 mark
Old 16 November 2006, 07:56 AM
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I think you would be better off chaning the fuel pump - for £100 it is a bit cheaper than a new engine
Old 16 November 2006, 08:19 AM
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as dynamix says, better to have an uprated pump, If it is on the original pump then it could be a bit tired. walbros are only about £80 - £90 quid
Old 16 November 2006, 11:12 AM
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Yep, get a new one!

Ns04
Old 16 November 2006, 03:29 PM
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can i change pump after remap without having to map again
Old 16 November 2006, 03:38 PM
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Tidgy
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better doing it first or need map tweek if you do it after
Old 16 November 2006, 04:42 PM
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Delboy2
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Would also be wise to change the FPR when uprating to the Walboro as the pump can 'over-run' the oem regulator on the early classics

Cheers
Old 16 November 2006, 04:45 PM
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whats FPR
Old 16 November 2006, 04:50 PM
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Tidgy
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fuel pressure regulator
Old 16 November 2006, 06:20 PM
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to be honest the fpr isnt really necessary to change it if you arent going for major mods. I didnt change mine on my car (my93 but made in 92)
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