516 head question

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Rhoads [ not Rhodes ] lifters. You can save money & make your own version from stock lifters quite easily. Have done it for years, have done many sets. You need to make a flat on the side of the piston, top to bottom.
Remove the piston & mount in soft jaws in a vice. Use 180 Emery paper & wrap around something flat; I use a steel rule. Use Kero or Turps as a lubricant & file a flat from the oil band on the piston to it's base. File until the width of the flat is 0.150" wide. If you want less bleed down, make the flat 0.100-0.125" wide; for more bleed down, make it 0.200" wide.

EDM holes.....only work for sol lifters....because if you drill a hole in a hyd lifter, it will bleed down.
To improve lube to a sol or hyd lifter, use a Dremel with a 0.025-0.030" wide cut off wheel & grind a groove down the lifter body from the oil band to within about 3/16" of the base. About 0.015" deep.
 
Bewy said:
Rhoads [ not Rhodes ] lifters. You can save money & make your own version from stock lifters quite easily. Have done it for years, have done many sets. You need to make a flat on the side of the piston, top to bottom.
Remove the piston & mount in soft jaws in a vice. Use 180 Emery paper & wrap around something flat; I use a steel rule. Use Kero or Turps as a lubricant & file a flat from the oil band on the piston to it's base. File until the width of the flat is 0.150" wide. If you want less bleed down, make the flat 0.100-0.125" wide; for more bleed down, make it 0.200" wide.

EDM holes.....only work for sol lifters....because if you drill a hole in a hyd lifter, it will bleed down.
To improve lube to a sol or hyd lifter, use a Dremel with a 0.025-0.030" wide cut off wheel & grind a groove down the lifter body from the oil band to within about 3/16" of the base. About 0.015" deep.
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Well that's a couple hundred dollars savings on edm lifters. Thanks bewy.
 
I got my heads back. I gave him my intake and a fiber gasket and asked him to port match them and spend some time with them...I have questions.
He did the k-line inserts.
Anyone care to give a prognosis? And why is there a big gap on the new seats?
He said he would do the heads for $1500 all in parts included. I bought the hardware and told him to take the money that I paid for the hardware and put some time on the heads port matching and take your time. I'm skeptical...

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I got test springs on #1 so I can check piston to valve clearance and degree the cam. I think I can degree it with the heads off though

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fishmens67 said:
It looks like all you got was a valve job and resurface of the heads.
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yes pretty much. I was told here to get the K-line inserts and thats what I got. new hardened seats, 1.60 to 1.74 on the exhaust also. I said just use umbrella seal but he did those positive seals so I hope they get enough oil. I dont see any port match on the intakes. I am requesting any flaws or sh*t work you guys see because I want to deal with it now not later so please chime in and dont sugar coat it.

thanks
 
Okay, that is better. What I thought I saw 1st on the exhaust seat would have been bad.
I would say the valves aren't really "sunk" bad. sometimes when things get machined you have to use what's there, so the cutter depth would be set from where the original seat was, if it was already a little lower than that's what it is going to be .
I personally would run that.
 
MOPARMAGA said:
Okay, that is better. What I thought I saw 1st on the exhaust seat would have been bad.
I would say the valves aren't really "sunk" bad. sometimes when things get machined you have to use what's there, so the cutter depth would be set from where the original seat was, if it was already a little lower than that's what it is going to be .
I personally would run that.
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well he put new seats so they shouldnt be sunk. they should be like brand new. brand new ferrea valves I bought
 
Cartel said:
ok thanks
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What you are seeing is a part of the factory valve job that didn’t clean up with the cutter.

Like I said, perfectly normal. The press fit on diameter is what holds them in. They just need a ledge to sit on.

Putting exhaust seats in those garbage ports is a testimony to turd buffing.

It’s a horrible port.
 
Newbomb Turk said:
What you are seeing is a part of the factory valve job that didn’t clean up with the cutter.

Like I said, perfectly normal. The press fit on diameter is what holds them in. They just need a ledge to sit on.

Putting exhaust seats in those garbage ports is a testimony to turd buffing.

It’s a horrible port.
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maybe but its American iron from the good ol days
 
I’m not going to try and critique someone’s machine work while looking at my phone.

However, I don’t see evidence of any kind of “blending” going on.
 
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