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im looking for some bigger injectors. the ones that look the best to me are the 80lb siemens injectors. they flow something like 80lb/hr @43 psi = 875cc.

theyre high impedence and look the goods. ive gotten the approval from a few tuners. and theyre around $350 for a set of 6.

has anyone had any experience with these? can anyone confirm that they're 14mm?

cheers

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I've got 550cc seimens in my GTR. Got them about 18 months ago from a US ebay shop (called Performance Injection IIRC) for around $500 new. They're 4 hole and work well. The shop offered them as suitable for RB26 and they were fine - fitted into the standard top mount rail, just needed to use the standard sized o rings rather than the ones that came on the injector. I guess you're getting side feeds so not sure how useful this is for you.

thanks for the info - at least they look reliable.

im getting the top feed with an aftermarket fuel rail/FPR to suit. you sound like you've got the 60lb which are 10.5 or 11mm.

i might order them in, they seem good enough.

  • 2 weeks later...

im looking for some bigger injectors. the ones that look the best to me are the 80lb siemens injectors. they flow something like 80lb/hr @43 psi = 875cc.

theyre high impedence and look the goods. ive gotten the approval from a few tuners. and theyre around $350 for a set of 6.

has anyone had any experience with these? can anyone confirm that they're 14mm?

cheers

Hi :)

Where are you ordering these from. I need 800cc side feeds fir my gtst.

Thanx :)

they dont come in side feed mate, the ones i got are top feed (which is why they are cheaper). i had to buy a new 14mm fuel rail to suit.

I eventually came to that conclusion lol. Thanks :)

Any idea where I can score 800cc SIDe feed under 200 each? Cheers

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