Oil pressure gauge fitment

[Rocketst]

So I'm a week away from putting a mountune mrx longblock in my car and I got to thinking, with the inability to see oil pressure this may present a problem or at least I won't be able to see a problem before it happens. So with that being said are we able to put a sandwich plate on the oil filter side for a pressure gauge? Or is there any solution that doesn't involve drilling into the pan?

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[Erick_V]

You can use a sandwich plate. If you have anything other than a stock sized filter you may run into clearance issues with the radiator, especially if its an upgraded unit. There was a member that relocated his sandwich plate onto the frame rail but I can't remember the name of the thread

 

[Rocketst]

You can use a sandwich plate. If you have anything other than a stock sized filter you may run into clearance issues with the radiator, especially if its an upgraded unit. There was a member that relocated his sandwich plate onto the frame rail but I can't remember the name of the thread

I think I saw that thread. He moved it to the frame on the driver's side right? Do you happen to know the thread and size bolt that I need to order with the sandwich plate? I know they come as one piece on one of the sites I looked at but it's got like 5 different sizes.

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[TyphoonFiST]

It was VirtualRonin......I do believe.

 

[Rocketst]

If you want to measure oil pressure then you usually Tee into where the OEM pressure switch is located and install a pressure sender. This way you are measuring pressure at the main gallery in the block.

Does this require a seperate recieve and sender unit or does it depend on the kit?

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[eq5]

OEM switch uses 1/4 NPT, most sensors are 1/8 NPT, so it is probably going to be lots of "fun" finding the suitable T-piece/adapter...something like female 1/4 T-piece + male-male to connect it to block + 1/4-to-1/8 adapter for the sensor.

 

[slopoke]

I used a sandwich plate when I was running an oil pressure gauge. If you do decide to use a sandwich plate, check the torque on the adapter bolt at every oil change. When I removed the sandwich plate, the adapter bolt came off real easy, hence the warning of checking it's torque.

 

[Rocketst]

Okay thanks slopoke. And thank you eq5. I found a an adapter on Amazon.

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[gabe]

Any updates?

 

[Rocketst]

I actually bought slopokes sandwich plate and am about to get oil pressure gauges installed as soon as Cali lightens their shipping restrictions.

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[B18_Spoon]

Can you tell me what your oil pressures are at speed and at idle? Hot and Cold?

 

[M-Sport fan]

Can you tell me what your oil pressures are at speed and at idle? Hot and Cold?

He has a fully built engine, both bottom end AND head, so his bearing clearances could be different from stock/factory, yielding different pressures.

But yeah, I'd be curious to know as well, regardless.

 

[TemecFist]

He has a fully built engine, both bottom end AND head, so his bearing clearances could be different from stock/factory, yielding different pressures.

But yeah, I'd be curious to know as well, regardless.

Cold idle: 50psi
Warm idle: 25psi
At speed: 50psi
Hope this helps. I have an external oil pressure and temp gauge.

 

[Rocketst]

Wow this is an old thread lol. Fully built engine oil psi is:

58 at cold idle
30 warm idle
At speed 58

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[B18_Spoon]

What oil weight are u using?

 

[TemecFist]

What oil weight are u using?

I'm using Amsoil 0w30

 

[B18_Spoon]

Wow this is an old thread lol. Fully built engine oil psi is:

58 at cold idle
30 warm idle
At speed 58

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How about you? What oil are you using?

 

[M-Sport fan]

^^^We have to know the BRAND and which 'series' or model within that brand as well, since there is MUCH viscosity range, allowed by law, of actual measured viscosity for any given SAE designated oil 'weight'.

(i.e.; Red Line 5W-30 is a 3.7 HTHSV, which is in the range of an allowed 40 weight viscosity, and the Ravenol DXG 5W-30 which I use is a 3.1 HTHSV, which is close to a heavier 20 weight viscosity oil.)

 

[TemecFist]

^^^We have to know the BRAND and which 'series' or model within that brand as well, since there is MUCH viscosity range, allowed by law, of actual measured viscosity for any given SAE designated oil 'weight'.

(i.e.; Red Line 5W-30 is a 3.7 HTHSV, which is in the range of an allowed 40 weight viscosity, and the Ravenol DXG 5W-30 which I use is a 3.1 HTHSV, which is close to a heavier 20 weight viscosity oil.)

Oops. Sorry about that. Amsoil SS 0w-30

 

[Rocketst]

How about you? What oil are you using?

That was on 10w 30 Pennzoil platinum

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