Anyone know the correct thread size for the taps on the head??
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Anyone know the correct thread size for the taps on the head??
I"m trying to hook up my oil pressure guage, and there are taps on the head for this, there pluged with allen screws. The fitting I had didn't work, I need to know the correct fitting so I can finish the install.
Thanks
Thanks
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Originally Posted by CarFanatic
I"m trying to hook up my oil pressure guage, and there are taps on the head for this, there pluged with allen screws. The fitting I had didn't work, I need to know the correct fitting so I can finish the install.
Thanks
Thanks
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Originally Posted by gsujeff55
my guess would be 10mm x 1.25 pitch, if not 10, 8mm. almost everything on the evo is that size
You don't want to go off the head for your oil pressure gauge, you need to go off the filter housing. The head has a pressure restrictor on it so your readings won't be accurate.
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Originally Posted by NDgsx
He's talking about the oil galley plugs, they're not a normal bolt. They're a tapered pipe thread plug, but it's not NPT, they might be BSP.
You don't want to go off the head for your oil pressure gauge, you need to go off the filter housing. The head has a pressure restrictor on it so your readings won't be accurate.
You don't want to go off the head for your oil pressure gauge, you need to go off the filter housing. The head has a pressure restrictor on it so your readings won't be accurate.
How off would the readings be?
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