HELP ASAP... Holley fuel rail install, need grounding strap??
#1
Staging Lane
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HELP ASAP... Holley fuel rail install, need grounding strap??
Hey guys I'm installing a Holley fuel rail set and instructions say to use a strap to mount under one fuel rail mounting bolt and run it under intake mounting bolt.. I have never heard of this before.. IS THIS NEEDED??
#3
TECH Fanatic
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being the 123rd view,
i would guess it can't hurt.
i thought fuel injectors have a ground wire in their connector,
only thing i can think of is if the injectors you have with your fuel rail setup relies on the case of the injector touching metal to make ground then you would need some sort of conductor to ground- cause you have the o-ring between the injector and manifold which is an insulator and you would have to look at how things make to find a conductive path back to ground which is the engine block / starter housing / neg. battery cable. oh and if the intake manifold is all plastic well that's non conductive.
need to post model of fuel rail and some pics otherwise i can only make an educated electrical guess
i would guess it can't hurt.
i thought fuel injectors have a ground wire in their connector,
only thing i can think of is if the injectors you have with your fuel rail setup relies on the case of the injector touching metal to make ground then you would need some sort of conductor to ground- cause you have the o-ring between the injector and manifold which is an insulator and you would have to look at how things make to find a conductive path back to ground which is the engine block / starter housing / neg. battery cable. oh and if the intake manifold is all plastic well that's non conductive.
need to post model of fuel rail and some pics otherwise i can only make an educated electrical guess
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#12
9 Second Club
If the manifold was aluminium you would never need a ground strap because it's all already grounded because it's aluminium.
It wouldnt be essential to ground metal rails on a plastic intake, but it will certainly do no harm and would ensure no static can build up, or get discharged accidentally.
It wouldnt be essential to ground metal rails on a plastic intake, but it will certainly do no harm and would ensure no static can build up, or get discharged accidentally.
#16
the reason they are saying to install grounding straps is both to ground the intake manifold in case of a static charge building up and electrolysis. Both fuel and air can build up a static charge in a plastic intake manifold just like how when you rub a rubber balloon on the carpet it builds up a charge. Not that its really dangerous, it could start a fire if the fuel system was open accidentally (a leak somewhere, or during maint).
#17
Just read this in their instructions as well. Seems like a dumb decision to start pulling single intake manifold bolts to ground a fuel rail. I can see the safety aspect, but I would run a ground wire from the mounting bolt to the back of the head.