Ideas On Piston Pin Oilers

[38flattie]

Ok guys, I once again need your expertise and advise!

The block is ready for assembly, but I still haven't found a piston oiler design that looks as if it would work. Anyone have any ideas on oilers?

I added a PSI stage to the dry sump, and it will be dedicated to the piston oilers and lifters.

Thanks in advance!

[Tman]

Thanks Buddy, we will need to learn this as well, timely question.

[maguromic]

Buddy, On my GMC I am mounting them on a rail to the pan with a regulator on the outside for adjustments. Everything I used is off the shelf and readily available, I am off to Dubai for a week and when I get back I will post some pics.  Tony

[Milwaukee Midget]

Call Sparky. 

[SPARKY]

lol  Buddy --  your oil needs to hit "near" the crown-side transition on the far side of a piston when it is nearing TDC s and the near side when
it is "near" BDC---in other words the oil "squirt" walks back and forth across the piston crown as it travels up and down.

On a BBC we have a main between each throw---on your Flattie---you are "mainly challenged"

[38flattie]

Tony, I'd love to see the pics!

Sparky, sounds like it will be a PITA to set up, but once we find suitable sprayers, we'll figure it out.

Thanks!

[Crackerman]

Have you seen the mitsu 4g63t squirters? Granted they bolt to a galley in the block using a check valve banjo bolt, it ends up using a tube  a bit less than 1/16 i.d. Focused at the piston bottom. You really dont need a "sprayer" just a focused stream poited where you want it.

Cummins 5.9 use a polymer nozzle feeding from the mains, nozzle pushes through crank side and is held in place by main bearing. Still shoots a stream on bottom of piston.

[SPARKY]

I used .020 mig nozzles ---they are already threaded and the can be bent very easily to AIM them..

Buddy,  I have seen Ford Nasscar plumbing that the manifold was run down the block between the pan rail and the bottom of the bore with the nozzle sticking out into the bottom of the bore and pointing up toward the bottom of the piston---Tony's that are attached to the pan rail most likely will be the easiest to rig.

[Jack Gifford]

... I still haven't found a piston oiler design...

In the this thread title, you said Pin oiler. Which are you primarily concerned with- pin oiling or piston cooling? Have their been indications of a need for either one?

[38flattie]

Thanks guys!

Jack, my primary concern is the pin, because of the long stroke, and very little 'splash' oiling, with the dry sump oiling. I do wish to cool the piston also.

No, there were no indications from last year that we need them, but we'll be running more RPM's this year, and I want to be as precautionary as I can.

[floydjer]

So, Do the squirters get timed to the crank ,Or do they squirt full time??

[Stainless1]

Jerry, constant stream to the pin and piston bottom, just like the other squirt we are familiar with, aim is everything... 

[38flattie]

Well, I found these at Summit, and ordered a set.

http://www.summitracing.com/parts/fms-m-6c327-gt

The plan is to use the new PSI segment we added to the dry sump, and split the output to the lifters and oil squirters.

We'll post updated on the fabrication/install on the build thread.

Thanks for the help!

[floydjer]

With the spray going full time....It seems to me that the piston would only be in the correct orientation for a few degrees of crank rotation. How about a timed barrel valve??

[38flattie]

lol  Buddy --  your oil needs to hit "near" the crown-side transition on the far side of a piston when it is nearing TDC s and the near side when
it is "near" BDC---in other words the oil "squirt" walks back and forth across the piston crown as it travels up and down.

Jerry, I think Sparky's comment addresses it best- the spray 'moves' the contact point on the piston, depending on where the piston is in the bore.

We'll keep it as simple as possible-if the engine is running, the oil pump is turning, so the oilers will be spraying.