D16 h-beam rod oil hole? - Honda-Tech - Honda Forum Discussion


D16 h-beam rod oil hole?

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Old 01-25-2017, 04:07 PM   #1
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Default D16 h-beam rod oil hole?

Im building the vitara / H-beam combo on my D16Z6 but i was looking my rods and they have oil librication holes, i never seen before any forged rod with lubrication hole, and second thing are that lubrication hole doesnt match the bearing hole so is covered by the bearing.

Any feedback? That thing can cause any kind of lubrication problems?

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Old 01-25-2017, 08:52 PM   #2
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Default Re: D16 h-beam rod oil hole?

Does the hole you have pictured pass all of the way up the rod beam to the pin boss ??? If so, you could drill the necessary holes into the bearings while they are installed in the rod (so as not to deform the bearing itself). If the hole does NOT terminate up at the pin boss, you don't have to worry about it.
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Old 01-26-2017, 06:43 PM   #3
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Default Re: D16 h-beam rod oil hole?

the stock rods for my motor have oiling holes like that too. they are just a squirter that exits at the base of the rod, aimed at the intake side of the cylinder to add some lubrication to the cyls and splatters up into the bottom of the piston to get more lube to the wristpin as well.

do you know if your stock rods have oiling holes?
usually the only time those squirter holes matter is for low rpm daily drivers, as at low rpm the rods sometimes don't sling enough oil up high. once rpms get up over 2k though, the squirters are no longer needed. basically meaning that if this car will be driven at higher rpms fairly frequently, you really don't need the squirters at all. having them blocked will also help bump oil pressure a little, as well as stabilize the oil pressure, because those types of squirters do cause a pulse up and down in the oil pressure. not enough to see on a gauge, but it does happen at the rod and main bearings
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