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Dan's posts spark some interesting conversations. I have found useful info in some of his threads using the search function. Sometimes I ask questions just because I am interested in a topic.

:popcorn:

Alright, here's what the oiling holes look like on the shaft..... When viewing the assembly from the front of the engine, the hole with the banana groove is pointing slightly towards the outboard side of the engine since it is not centered. The banana groove is especially important here with...

The shafts have 2 holes per rocker as well. Did you say that you are running hydraulic lifters?

Those shafts look like they are from a stamped steel set up. You can tell by the large oiling holes. Adjustable 273 rockers have 2 oiling holes per rocker on the shaft. One near the loaded side of the rocker base (Should have a banana groove, but they all don't) and one to feed the rocker...

DORMAN 555097 Expansion Plug | RockAuto I used these.

Stock rocker shaft oil hole orientation See and read post #2 for shaft oil hole orientation.

Damn, I just sold 8 of them and a rough set of 4.5 rallys for $150 just to get rid of them.

:lol:I saw that......But I didn't want to be the guy who said it!

Great work Steve :thumbsup: Satisfaction for a job well done!

And OP, don't forget that after the 90* btdc on #1 compression, you have to go all the way around and stop at 20* ATDC on the 2nd time around.

My mild build 340 turned out to have 175 psi cranking pressure. That's with reducing the compression height of the pistons, and a .050 head gasket. Does that mean I'm S.O.L? Pistons are .018 out of the hole and the heads cc out at around 70.

Been there, done that,........Bought the tee-shirt!

I'd rather go to the dentist :lol:

:poke: :poke: :poke: Just shitting ya!

3 weeks and less money.

Close enough for me! 1971 Demon seats done custom by a local guy. Pretty impressed with his work. Turns out he can do glass and all things interior.......

Since you bypassed the ammeter, maybe that splice has grounded out somehow?

LOL......I bought a first gen Cummins truck like this. Seller dumped it on me thinking he had big $$$ problems.

I agree. My thoughts.......Most semis have a great maintenance schedule and most of the small stuff would be caught before it became big stuff. If folks can't keep their bearings greased, they would probably miss a weeping seal. Hit a rock, the sight glass breaks unknowingly.....stranded.

I think @Princess Valiant was interested in this.

I'd be worried about failure. Normal styles can tolerate a little misuse as long as you check them at the beginning of the season. If you lose a seal in an oil bath.....You've got nothing. I suspect that we wouldn't get the same quality set up that you'd see on a semi. I'd carry a spare hub...

:popcorn:

You are gettin' lazy :) :poke: Is driveshaft length same for different manual transmissions?

Well, I cleaned the hell out of it and blew out all of the passages and installed a new kit and adjusted it to the OE specs. It actually looked really good when I first received it. It was a late 70's take off from a Barracuda and then shelved. No evidence of dried fuel or varnish. LOL...It...

6-2080

It's a 6139.

@340inabbody ........ The passenger side rockers get oil when the balancer mark is 90* BTDC on the #1 compression stroke. Now, rotate the crank past the TDC mark all the way around and stop when the mark is 20* ATDC. This location will oil the Drivers side.(Technically this would be 20* ATDC...

Bad advice @Dan the man .....The engine doesn't have to spin to get oil to the top end. You only have to find the sweet spots and run the drill. Oil will pour out of the rockers. @340inabbody ....Hang on, I'll look up the crank positions I used.

Positive.