Bowtie block issues

[Che70velle]

I like my rods a little tighter than my mains. I try to go .002-.0022 on rods, and mains at .0024-.0026. As Mr. Weld said above, the solid lifters on a hydraulic core is a no no. I've successfully done it the other way, with hydraulic lifters on a solid core, but the opposite usually doesn't work long.
What weight oil are you running? Are you running roller cam bearings?

[TBART70]

Hi all again. Been chasing oil pressure issues since day one. Went through 2 sets hydraulics and switched to solids, pin oiled first then non pin oiled to bring up oil pressure. Needless to say I pulled the motor due to a lot of metal in oil filter, and low oil pressure. The cam gear is wiped. Motor is getting redone. New cam, going from 108 LC to 110 LC. Hydraulic grind, solid Morel pin oiled lifters. Went with different cam company this time. Upping duration a touch, and lift on exhaust. Also doing 4/7 swap. It won't be installed as advanced as before. Will re-dyno with Carb like last time. Will have actual cam specs in a week or two. Trying to figure out what I need to do before it goes back in.

Went through the oil galley routing many times before it was put together. I will do it again to make sure.

Thanks,
Tom

[TBART70]

Originally Posted by Che70velle

I like my rods a little tighter than my mains. I try to go .002-.0022 on rods, and mains at .0024-.0026. As Mr. Weld said above, the solid lifters on a hydraulic core is a no no. I've successfully done it the other way, with hydraulic lifters on a solid core, but the opposite usually doesn't work long.
What weight oil are you running? Are you running roller cam bearings?

Running 10w/40 oil

Solid roller lifters on Hydraulic roller grind. Bullet cams is making my new cam, billet roller core, wearever gear, solid roller Morels .

[Vegas69]

I'd block the oil filter bypass. All that wear you see is being pumped through your bearings when the engine is cold. I bet your main bearings are toast.

[TBART70]

Originally Posted by Vegas69

I'd block the oil filter bypass. All that wear you see is being pumped through your bearings when the engine is cold. I bet your main bearings are toast.

Main bearings are fine, bypass is plugged.

[Vegas69]

That's good news.

Where you take the oil pressure reading also effects the perceived pressure. 15w50 would likely get you to 20 psi at idle and 60 at wot hot. That is plenty in my opinion.

[TBART70]

I tried 15/50 didn't help. Pressure taken by three different gauges. Did some more checking, seems to be a distributor/intake height/oilpump and shaft issue.

[GregWeld]

Originally Posted by TBART70

I tried 15/50 didn't help. Pressure taken by three different gauges. Did some more checking, seems to be a distributor/intake height/oilpump and shaft issue.

I've seen that before. Something to ALWAYS check before sticking the pan on etc.....