Oil Pressure Gauge
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Grand HDF Member
Joined: Oct 2014
Posts: 4,190
Likes: 6,634
From: Gruene Texas
Oil Pressure Gauge
Looking for recommendations on a gauge
One that I can still use the idiot light
liquid filled vs dry
something that won't fall apart from the shake rattle and roll
One that I can still use the idiot light
liquid filled vs dry
something that won't fall apart from the shake rattle and roll
Elite HDF Member
Joined: Oct 2005
Posts: 3,872
Likes: 83
From: Canton, Michigan
My personal view on having an oil pressure gauge is: Don't. And I've had at least four on my 93 since new. Two HD (MoCo accessory gauges that hooked to a rocker box bolt using a longish tube to the tappet filter plug), one Accel, and one either Custom Chrome or Drag Specialties (can't remember). Both the latter, hooked directly to the tappet filter plug with a fitting. All liquid filled. They all eventually leaked out the silicone. For the most part they were just trinkets on the engine. I pulled the last one off a good ten or so years ago, and haven't missed it one bit.
Seasoned HDF Member
Joined: Jul 2014
Posts: 8,590
Likes: 3,361
From: Cental, MI
My personal view on having an oil pressure gauge is: Don't. And I've had at least four on my 93 since new. Two HD (MoCo accessory gauges that hooked to a rocker box bolt using a longish tube to the tappet filter plug), one Accel, and one either Custom Chrome or Drag Specialties (can't remember). Both the latter, hooked directly to the tappet filter plug with a fitting. All liquid filled. They all eventually leaked out the silicone. For the most part they were just trinkets on the engine. I pulled the last one off a good ten or so years ago, and haven't missed it one bit.
I'll second.... Don't do it... but, by all means, keep the lite
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
Here's a third vote for not using one.
EVO's depend way more on flow than pressure and will just cause you to worry about something that isn't a problem.
As long as the light is off you're good.
EVO's depend way more on flow than pressure and will just cause you to worry about something that isn't a problem.
As long as the light is off you're good.
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
My favourite local indy loathes the darned things with a passion, reckons they are more trouble than they are worth, because owners start hyper-ventilating over 'pressure'. For your own sanity pass on that idea and enjoy the rest of your life!
Seasoned HDF Member
Joined: Nov 2009
Posts: 15,705
Likes: 22,718
From: Farmington ,MS
I have had a Ness liquid filled one mounted to the tappet filter plug for 25+ years...and it has read 0 at idle the whole time...
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Road Master
Joined: Jun 2018
Posts: 1,002
Likes: 560
From: Indiana
I may have a solution. I used to sell kits for oil pressure gauges for old Honda V4's. It used a few fittings to tap into the factory oil pressure sensor for the idiot light creating a T and allowed the use of a small liquid filled gauge.
I don't know where the oil sensor is on your bike, for if you're interested in the idea PM me and I'll send a few pics of what I did.
I don't know where the oil sensor is on your bike, for if you're interested in the idea PM me and I'll send a few pics of what I did.
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Seasoned HDF Member
Joined: Mar 2010
Posts: 21,093
Likes: 7,622
From: Poolville
Nothing wrong with a back up.. when I bought my Fatboy in 03 it came with a liquid filled gauge.. Never leaked and it's still there.. don't know the brand.. never looked into it... I'm kinda a stickler on oil pressure and temps but to each their own..
Seasoned HDF Member
Joined: Jul 2014
Posts: 8,590
Likes: 3,361
From: Cental, MI
Harleys only require enough "pressure" to provide the appropriate Flow
which aint much at all
spend the money on yer Chevy
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