aftermarket fuel rail/injector???

Discuss the RB20, RB25 and RB26 series engines.
drftnrps13
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ok i got this fuel rail from a company called bmpc. local place in florida. there are no longer open so im now stuck with this problem. im going be be replacing my stock injectors with some 1000cc units. i have the fuel rail, but just wanted to know what the oem fuel rail injector holes were(what size) and what are the common sizes for other after market rails? thanks

i cant measure my oem rail-i nolonger have one.


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Coolwhip
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Factory fuel rail takes 10.5mm injectors.

The holes themselves are actually larger to allow the injectors and o-rings to fit. (Will mic up one later tonight).

Properly built rails will have a 2 step taper to allow proper seating of the upper injector oring.

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StricNyne
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damn coolwhip is the MAN !!

drftnrps13
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ok so 10.5 is oem injectors so 11.0 is for aftermarket like rc engeering? is there any other sizes? all ive found is 10.5 and 11.0 sizing

onepuff
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Domestics are like 14mm i believe.

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Coolwhip
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drftnrps13
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oh my god! coolwhip for pres!!!!!! amazing!!! thank u very much sir!!!


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