When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Lots of disagreement on the interweb about where to source the oil pressure gauge. Some say oil filter area is not accurate, others say the front port along the oil pan is best for accurate readings.
Use the port on the oil filter on the side? Use one of the two down facing ports on the oil filter? Use one of the ports leading to one of the main bearings on the side of the block along the oil pan?
Lots of disagreement on the interweb about where to source the oil pressure gauge. Some say oil filter area is not accurate, others say the front port along the oil pan is best for accurate readings.
Use the port on the oil filter on the side? Use one of the two down facing ports on the oil filter? Use one of the ports leading to one of the main bearings on the side of the block along the oil pan?
What are you using on your BB?
I use the side port by the oil filter as well... That's pretty much the "go to" place on a BB.
Besides that, that's where the engine builder/dyno tuner tied the dyno's oil pressure gauge in so....I trust its readings...
I use the side port by the oil filter as well... That's pretty much the "go to" place on a BB.
Besides that, that's where the engine builder/dyno tuner tied the dyno's oil pressure gauge in so....I trust its readings...
OK...but I'm still unsure. There are two ports that face down by the oil filter and one that is up above the filter about 1.5" that faces the drivers side. Which of these are you referring to?
OK...but I'm still unsure. There are two ports that face down by the oil filter and one that is up above the filter about 1.5" that faces the drivers side. Which of these are you referring to?
I use the same port that CanadaGrant is using. Notice his brass fitting.
I use the front port on the main feed rail. However the laws of fluid dynamic state that the pressure would be the same regardless of the reading location. Remember its pressure and not flow we are measuring. Just like reading voltage, its irrelevant where you tap in.
I use the front port on the main feed rail. However the laws of fluid dynamic state that the pressure would be the same regardless of the reading location. Remember its pressure and not flow we are measuring. Just like reading voltage, its irrelevant where you tap in.
I agree with your statement. There is some discussion about the port being before or after the filter.
Probably doesn't make any difference in my use though.
Over 60% of the engine oil bypasses the filter on HP applications, but my point stands. Port location is irrelevant when it comes to oil pressure. Just like hooking up a voltmeter... I have been doing this way too long... Pick what works best for accessibility for your application. If it were a temp sensor then there is good dialogue as to location. Take care!
Over 60% of the engine oil bypasses the filter on HP applications, but my point stands. Port location is irrelevant when it comes to oil pressure. Just like hooking up a voltmeter... I have been doing this way too long... Pick what works best for accessibility for your application. If it were a temp sensor then there is good dialogue as to location. Take care!
Brings up a good point. I have a sensor in each head. Drivers side goes to gauge in center dash. Other side??? Maybe elect fan?
I have mine going to the front port on the side near the timing cover. That where it was at when I took the motor out of the donor vehicle. I am pretty sure it was there from the factory.
05-14-2018, 03:47 PM
Big Block oil pressure port
