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Kirkham Motorsports

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Old 07-14-2023, 10:59 PM
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When we begin to look at the impact on performance that forged vs streamline elbows cost us on fluid system performance, it is equally impressive.

The first pic I have posted below is the visual differences between the forged and streamline fittings. Although I suspect everyone already knows the smooth tubular bend fitting is the streamline fitting, here's the pic anyway.

The second pic is the flow performance graph of the AN-10 fittings and the third is the same flow performance graph for the AN-12 fittings.

The XRP research illustrates both the flow differences between AN line sizes and also the flow loss associated with the forged style fitting vs the streamline style fitting. I think we all know we should use the streamline fitting design so I won't belabor that.

Flow-wise the AN-10 streamline fitting has approximately a 4 PSID 𝚫P. By going to a AN-12 streamline fitting the 𝚫P PSID does not even reach a 2 PSID 𝚫P.

In the end, beauty is always in the eye of the beholder. That said, when the difference in cost between AN-10 and AN-12 hardware is vanishingly small, as it is, there is simply no good reason to cut corners on something as important as your engine's oil supply.
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Old 07-16-2023, 10:42 AM
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Quote:
Originally Posted by eschaider View Post
When we begin to look at the impact on performance that forged vs streamline elbows cost us on fluid system performance, it is equally impressive.

The first pic I have posted below is the visual differences between the forged and streamline fittings. Although I suspect everyone already knows the smooth tubular bend fitting is the streamline fitting, here's the pic anyway.

The second pic is the flow performance graph of the AN-10 fittings and the third is the same flow performance graph for the AN-12 fittings.

The XRP research illustrates both the flow differences between AN line sizes and also the flow loss associated with the forged style fitting vs the streamline style fitting. I think we all know we should use the streamline fitting design so I won't belabor that.

Flow-wise the AN-10 streamline fitting has approximately a 4 PSID 𝚫P. By going to a AN-12 streamline fitting the 𝚫P PSID does not even reach a 2 PSID 𝚫P.

In the end, beauty is always in the eye of the beholder. That said, when the difference in cost between AN-10 and AN-12 hardware is vanishingly small, as it is, there is simply no good reason to cut corners on something as important as your engine's oil supply.

Great info, now I’m wondering what is the minimum flow rate (gpm) a high performance 427 needs.

My problem is since I’m using fords high performance oil pan (came with the long block) the knuckle heads put the dip stick fitting right under where the fuel pump goes. For me to clear the tube still using the remote oil adapter, I’ll need 1/2” pipe 90 elbow.

So rather than loosing all the flow with a 90, I’m using two street 45’s to give me a greater bend, then I’ll use a 12an male flare x 1/2 male ntp adapter going into the 45 deg end. I don’t want to remove the oil pan and weld on an oil pan fitting nor do I want to spend 1000 bucks on a new pan.

For what these oil pans cost why can’t they put dip stick fittings on both sides.
Very frustrating, luckily Amazon has free returns on fittings, lol

I wonder what others have done when using fords 427 long block, I can’t be the only one with this problem. I should just scrap the remote and use the block mounted oil filter. Wowe is me

David

Last edited by Davidless; 07-16-2023 at 10:51 AM..
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Old 07-16-2023, 10:48 AM
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Great info, now I’m wondering what is the minimum flow rate (gpm) a high performance 427 needs.

My problem is since I’m using fords high performance oil pan (came with the long block) the knuckle heads put the dip stick fitting right under where the fuel pump goes. For me to clear the tube still using the remote oil adapter, I’ll need 1/2” pipe 90 elbow.
So rather than loosing all the flow with a 90, I’m using two street 45’s to give me a greater bend, then I’ll use a 12an male flare x 1/2 male ntp adapter going into the 45 deg end. I don’t want to remove the oil pan and weld on an oil pan fitting nor do I want to spend 1000 bucks on a new pan.

For what these oil pans cost why can’t they put dip stick fittings on both sides.
Very frustrating, luckily Amazon has free returns on fittings, lol
David
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Old 07-16-2023, 10:54 AM
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Sorry can’t seem to delete this second post

Last edited by Davidless; 07-16-2023 at 04:06 PM..
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