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Forum: General Q & A

04-24-2021, 07:19 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

I couldn’t live with the restriction in the...

I couldn’t live with the restriction in the filter head. The fitting is 8AN but is a little larger than the inside diameter of a 8AN fitting. With that I decided to pick up this:

...

Forum: General Q & A

03-10-2021, 04:06 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

If I want to run the HP 500 thermostatic head, it...

If I want to run the HP 500 thermostatic head, it would be best to force all the oil through the cooler. I wonder if the thermostat side of the cooler can be plugged.

I’ll probably just use the...

Forum: General Q & A

03-10-2021, 12:11 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

Approximately 600. Will dyno in the next month.

Approximately 600. Will dyno in the next month.

Forum: General Q & A

03-10-2021, 11:27 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

Any ideas of how to disable the thermostats in a...

Any ideas of how to disable the thermostats in a Hardin oil cooler?

Forum: General Q & A

03-10-2021, 10:04 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

Is it possible to run both thermostats? And if...

Is it possible to run both thermostats? And if not, how do you disable the thermostats in the cooler?

Forum: General Q & A

03-10-2021, 09:04 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

I think in this case redundancy may cause some...

I think in this case redundancy may cause some problems. I would think we would want part of the system controlling oil routing based on temperature. The cooler has it's own internal mechanism. Maybe...

Forum: General Q & A

03-10-2021, 07:53 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

I was not seeing such drastic drops in pressure,...

I was not seeing such drastic drops in pressure, maybe only on the hottest of days. If there was a drop, it was maybe 15 psi for a moment. It would come back up within a minute. My oil was always...

Forum: General Q & A

03-09-2021, 05:25 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

No Excedrin or Tylenol-based anything for me...

No Excedrin or Tylenol-based anything for me unless I have a major fever or something. I drink too much for Tylenol! Kidding! But maybe not! LOL

Forum: General Q & A

03-09-2021, 05:22 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

I think the center where it's screws into the...

I think the center where it's screws into the block is 1/2-inch. That's the hex that's needed to pull it. I'm also using a Canton adapter but it's a 90 degree... the internals are 1/2-inch NPT. The...

Forum: General Q & A

03-09-2021, 01:45 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

How is that one mounted?

How is that one mounted?

Forum: General Q & A

03-09-2021, 01:42 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

Never mind. It's the same part as used on the 502...

Never mind. It's the same part as used on the 502 MPI.

Forum: General Q & A

03-09-2021, 01:41 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

I wonder is this would work in the MPI oil filter...

I wonder is this would work in the MPI oil filter head?

https://www.mercruiserparts.com/bam/subassembly/31345/10127/190

Ref # 4 - 22-806328 - Fitting

Forum: General Q & A

03-09-2021, 01:35 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

No worries at all sir! This helps everyone.

No worries at all sir! This helps everyone.

Forum: General Q & A

03-09-2021, 01:05 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

There’s nothing stock in mine with exception of...

There’s nothing stock in mine with exception of the modified filter head. If I could figure a way of putting. a different tube and fitting in the center, I would. However, I’m thinking it may not be...

Forum: General Q & A

03-09-2021, 12:25 PM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

^^^^ This!!!

^^^^ This!!!

Forum: General Q & A

03-09-2021, 11:16 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

On a side note... I was going to do something...

On a side note... I was going to do something similar with with my fuel/water separator head, but there's jut not enough material there to increase the fitting size to 3/8 NPT. I'll order new ones...

Forum: General Q & A

03-09-2021, 11:13 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

I've been all over that thread. Any time I have a...

I've been all over that thread. Any time I have a question on oil system plumbing, I refer to what he put together. As always, he did a lot of work point out the short comings and how to overcome...

Forum: General Q & A

03-09-2021, 10:06 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

I did a calculation on the flow rate through that...

I did a calculation on the flow rate through that orifice and came up with a little more than 9 gallons a minute. If I'm remembering correctly, the Mobil 1 filters I use flow 7 gallons, but would...

Forum: General Q & A

03-09-2021, 09:26 AM

Replies: 35

MPI oil filter head. Restriction?

Views: 3,604

Posted By TomZ

MPI oil filter head. Restriction?

Morning guys.

With one of my 509s just about done, it's time to work on plumbing of the oiling system. I am trying to keep the MPI brackets and such in place and I'd like to mount the oil filter...

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