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Old 10-27-2008, 10:40 PM   #1
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what size injectors?

what size injectors should i use? im gonna have a procharger on my svt. looking to have about 250 to 260whp at about 10 psi.


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Old 10-27-2008, 10:48 PM   #2
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42lb or 60lb injectors will be good. If you get 60lb your tuner will tune them for whatever fuel psi is needed. There are a couple of guys on here selling new 42lb injectors.
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Old 10-27-2008, 10:53 PM   #3
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there is a forsale post with 50lb injectors. so you think that would be good for my set up?
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Old 10-27-2008, 10:56 PM   #4
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Yep. I have a regular ZX3 with a procharger on 10psi and I'm using the 60lb injectors but they are tuned for 42lb.
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Old 10-27-2008, 11:13 PM   #5
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i got 42 for sale, ill sell em to you guys for 130, on the bst fourms there listed at 150, mine is ford racing brand.
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Old 10-27-2008, 11:53 PM   #6
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i thought that you can have the stock injectors with a boost a pump
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Old 10-28-2008, 12:47 AM   #7
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i thought that you can have the stock injectors with a boost a pump

The injectors won't be able to flow the amount of fuel needed and they will max out easily. Look up some of Toms post about injector sizing.
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Old 10-28-2008, 12:52 AM   #8
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Yeah the boost a pump is exactly what it says....boost A PUMP. Your fuel pump. All that will do is increase the voltage on your fuel pump to pump more fuel but if you don't have big enough injectors for the amount of fuel the boost a pump and fuel pump are pushing, then there's no point. Gotta get bigger injectors.
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Old 10-28-2008, 01:21 AM   #9
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i dont have to buy a bap do i? i only need that if i want to go more whp or boost.
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Old 10-28-2008, 01:32 AM   #10
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i dont have to buy a bap do i? i only need that if i want to go more whp or boost.
No you can use your stock fuel pump alone. Stock fuel pump will hold 300whp or more. Ask 03OrangeSVT. He's using the whole stock fuel system (minus injectors) and he's making well over 300 hp.
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