Allis B rod and main bearing

OK I'm stuck here. I have a .020 ground crank main and rod, bought new .020 rod and main bearing but am still having problems getting thim to turn. Jurnels are round within .0005

Main are plastic gauge at .002 clearan and I can turn the crank by hand with some resistance.
Rods have .0015 to .002 clearance as the plastic gauge says but when I toqrue the rods down it gets tight and at 90 degrees it seems to bind.

After rod 1 and 4 were put in I was still able to rotate the crank but seems to get stuck at 90 degrees.

Help what am I doing wrong. Thanks
Frank

an easy test is to loosen one rod cap one turn on the bolts to get .002 extra clearance, then rotate by hand to test to see if that bearing sticks. if not, loose another and turn. when you find the tight one, retest with plasti gauge or just add .001 shim, tighten and retest. .0015 is too tight. i prefer .002 to .0025

Probly need to file the end of the bearing inserts. If they need filing and you torque them to the proper torque the ends will push in onto the crank journal.
I had planned to put a reground crankshaft in this evening. Took to long of a nap. If every thing goes as planned at the moment I will get it done tomorrow after work. I will took a few pictures that might help if ya don't have it figured out by then.

Here is a way to check to see how much the bearing inserts need filed or if they do and how much.
When you took your engine apart you probly had shims like these under the main bearing caps measuring .002.



You need .015 to .002 clearance and about .001 crush or bearing insert pinch at the ends of the inserts. If you have much more the inserts tend to push in toward the journal and drag.
Placing two of the shims on the crankshaft after oiling the inserts and crankshaft journal I pinched the two halves for the front main together and rotated the inserts with the two inserts and could not feel any drag. That means I had at least .004 clearance without crush. I added the third .002 shim which would make .006 and when I tried to rotate it it was tight.
Without a mic it told me that the hand pinch tight bearing inserts had between .004 and .006 clearance. This tells me I need to file .002 or .001 off the end of both halves if this actually works.



To prove out the accuracy of this method I do have the proper instruments.




The measurments came out to .005 clearance which told me I needed to file .001 off one side of each bearing insert.

I was able to do this with a snippet of .001 shim stock. I laid the shim stock at the edge of the insert on the bearing cap making sure they were even by passing the tip of my finger across both.



Using the bearing cap as a gage filing until smooth.



I will repete this on each journal before installing the bearings and dropping in the crankshaft.
They are most likely all the same and each main need the same filed off but why take the chance. Just one more (detail) that you might skip and not have a problem but on the other hand I would have on this journal.

Thanks guys for all the help. I poped a disk so I down and out for a few weeks working on the engine. D_ _ _ it hard getting old.

Thanks for the help

Ready for the boot Ok next time I need to learn subtraction .937 standard reading .927 is -.010 not -.020 had the wrong size rod bearing
thansk for all your help
frank