Oil pressure problem

[James Hall #1]

I've been running a K&N HP-2004 oil filter. Putting a gage on the block alone as let-r-eat said is a good idea, probably do that next. I've check the pickup tube, no leaks, gaskets on pump and pickup looks good with signs of leakage. Not for sure what brand the pan is but I have it for several year with no trouble before. Its does not have a oil restricter but I think it would be a good idea because there does seem to be a excessive amount of oil in the top of head. So much I suspect a crack in it, even though the machine shop can't find it. I do my own engines and have for years but this one has driven me nuts.

[Big E tech]

I've been running a K&N HP-2004 oil filter. Putting a gage on the block alone as let-r-eat said is a good idea, probably do that next. I've check the pickup tube, no leaks, gaskets on pump and pickup looks good with signs of leakage. Not for sure what brand the pan is but I have it for several year with no trouble before. Its does not have a oil restricter but I think it would be a good idea because there does seem to be a excessive amount of oil in the top of head. So much I suspect a crack in it, even though the machine shop can't find it. I do my own engines and have for years but this one has driven me nuts.

Do yourself a favor and change the filter to a WIX 51515R.

We have found that the fibers used in the K&N oil filters begin to break down quickly. The cells expand when they absorb any moisture in the oil. Once these cells are expanded, they reduce the open area available for the oil to flow through, increasing pressure drop across the filter media. Once the pressure drop gets high enough, we've even seen the filter element begin to colapse upon itself...

Another good practice is to change the oil filter just before each race rather than letting it sit with oil in it before the event.

Have you checked your guage to make sure your low pressure readings are real?

[Big E tech]

Is there any chance your cam bearings have a groove around the O.D.? If they do, you will have to plug the holes on top of each cam tower...

[James Hall #1]

Will do on the filter, had 3 different gages on it,,, same reading on all 3, cam towers are plugged. Cars is pretty quick, just no oil pressure.

[7uptruckracer]

Oil pump is good? sounds baffling

[Big E tech]

Will do on the filter, had 3 different gages on it,,, same reading on all 3, cam towers are plugged. Cars is pretty quick, just no oil pressure.

When your engine machinist pressure tested the block and head, did they pressure test the water passages like normal, or did they actually plug all the oil holes and pressure up the oil galleys?

[James Hall #1]

yes, new oil pump, even stretch the spring in one pump and it raised the pressure for just a few minutes and then dropped. The machinist plugged everything and pressured up the oil galleys in the head without the camshaft installed. I thought that they may have blocked the pressure off by doing that because the oil does travel throught the camshaft, right ? I'm off work tomorrow so I guess I'll check and recheck everything again, see if there something I've missed.