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WHICH INJECTORS AND FUEL PUMP TO UPGRADE TO

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Old 21 March 2007, 08:48 PM
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KIPS
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Question WHICH INJECTORS AND FUEL PUMP TO UPGRADE TO

JUST FITTED MY FRONT MOUNT NOW LOOKING INTO THE 550 INJECTORS WHICH MAKE TO GO FOR AND WHICH WALBRO PUMP TO FEED THEM THESE WILL BE GOING ON A CLASSIC WRX MY 94 TDO5 TURBO APEXI INDUCTION KIT
LOOKING TO AIM FOR AROUND THE 350BHP MARK
CHEERS ALL KIP
CAP LOCKS ON SO SORRY FOR SHOUTING
Old 21 March 2007, 08:59 PM
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banny sti
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If you intend to go beyond 350bhp then for 550cc injectors, if not 440cc from a later sti will be ok.
Fuel pump a walbro 255lph will do the job no problem.

Banny
Old 21 March 2007, 09:03 PM
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KIPS
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Originally Posted by banny sti
If you intend to go beyond 350bhp then for 550cc injectors, if not 440cc from a later sti will be ok.
Fuel pump a walbro 255lph will do the job no problem.

Banny
hello banny any particular make of injectors to go for and do you need a fitting kit for the 550s or are they a straight forward swop is it worth doing the fuel feed conversion so all injectors get a proper delivery????

CHEERS KIP
Old 21 March 2007, 09:18 PM
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banny sti
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I would say get the nismo injectors as they are very good quality and the fitting kit can be purchased at the sametime but is required for them to fit.
It is worth doing the parallel fuel feed conversion more for safety than anything but to do that you will require an adjustable fuel pressure reg such as an fuel lab or sx reg.

Banny
Old 21 March 2007, 09:36 PM
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turboDean
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You can buy direct fit 550's for 92-98 impreza's so no need to buy fitting kits.
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