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holy crap im confused about top feed and side feed injectors

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Old Jul 21, 2008 | 01:54 PM
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Default holy crap im confused about top feed and side feed injectors

ok so anyways, i im pretty sure SR20's are high impedence, side feed injectors.

im buying an intake manifold for an SR that uses a top feed fuel rail. so anyways. i wanted to know. now that i have a different intake manifold i need to buy the top feed fuel rail and high impedence top feed fuel injectors right?


please and thank you
Old Jul 22, 2008 | 07:40 PM
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Default Re: holy crap im confused about top feed and side feed injectors

Originally Posted by LSX240
now that i have a different intake manifold i need to buy the top feed fuel rail and high impedence top feed fuel injectors right?
Without knowing what manifold (and more importantly the fuel rail) you're talking about anyone that gives an answer will just be guessing.

With that said ... the Greddy manifold doesn't require an aftermarket fuel rail and if you're talking about the HKS rail, then yes you need high impedance top feed injectors. However, you can use low impedance injectors if you use a resistor pack.
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Old Jul 23, 2008 | 05:00 AM
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Default Re: holy crap im confused about top feed and side feed injectors

Originally Posted by eng
Without knowing what manifold (and more importantly the fuel rail) you're talking about anyone that gives an answer will just be guessing.

With that said ... the Greddy manifold doesn't require an aftermarket fuel rail and if you're talking about the HKS rail, then yes you need high impedance top feed injectors. However, you can use low impedance injectors if you use a resistor pack.
i wanted to buy the greddy fuel rail and high impedance injectors
Old Jul 23, 2008 | 07:35 PM
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Default Re: holy crap im confused about top feed and side feed injectors

Originally Posted by LSX240
i wanted to buy the greddy fuel rail and high impedance injectors
Get some top feed injectors and you should be fine.
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