Previous Thread
Next Thread
Print Thread
Page 1 of 2 1 2
Oil Past The Lifters #3067126
08/11/22 06:01 PM
08/11/22 06:01 PM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
I was priming the oil pump in my 528 and noticed oil gushing past the lifters in their bores. How much is ok and how much is to much?

Re: Oil Past The Lifters [Re: 71birdJ68] #3067127
08/11/22 06:27 PM
08/11/22 06:27 PM
Joined: Jan 2003
Posts: 17,795
UPPER MICHIGAN, MARQUETTE COUN...
N
NITROUSN Offline
I Live Here
NITROUSN  Offline
I Live Here
N

Joined: Jan 2003
Posts: 17,795
UPPER MICHIGAN, MARQUETTE COUN...
If the machined mid section of the lifter is coming out past the lifter bore you could have the wrong lifters. Post a picture.

Re: Oil Past The Lifters [Re: NITROUSN] #3067133
08/11/22 06:52 PM
08/11/22 06:52 PM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
When you say picture are saying take the lifter out for a picture?

Re: Oil Past The Lifters [Re: 71birdJ68] #3067145
08/11/22 07:38 PM
08/11/22 07:38 PM
Joined: Mar 2011
Posts: 2,597
Michigan
T
Transman Online content
master
Transman  Online Content
master
T

Joined: Mar 2011
Posts: 2,597
Michigan
Originally Posted by 71birdJ68
When you say picture are saying take the lifter out for a picture?


With a lifter on its base circle (lowest point in its travel) see if the center band of the lifter is exposed below the lifter bore. If so that’s likely where your problem is.

Re: Oil Past The Lifters [Re: Transman] #3067162
08/11/22 08:17 PM
08/11/22 08:17 PM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
Ok, after the oil drains back down, I'll do that.

Re: Oil Past The Lifters [Re: 71birdJ68] #3067165
08/11/22 08:42 PM
08/11/22 08:42 PM
Joined: Aug 2003
Posts: 39,976
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 39,976
Bend,OR USA
Is this a stock unbushed lifter bore block?
If so all the stock blocks I've prime with the lifter valley cover off, regardless of which type lifters in them, leak a lot of oil around every lifter out the top and bottom.
I've had similar issues with solid roller lifters that leak a lot MORE oil out at max lift that affected the oil pressure, that block was an early 1966 Street Hemi block that the driver side lifters leak some at max lift and the passenger side galley didn't shock shruggy work
I plugged the left lifter oil galley off with a small welch plug behind the oil galley plug to fix it and later had to add another plug behind it when the oil pressure and maybe motor heat allowed it to move forward and start leaking a little more. That motor held 75 Lb. oil pressure running but t would pulse the oil pressure at idle around 5.0 lbs. between 80 and 75 lbs.: work: confused
Murphy love US whiney whistling shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Oil Past The Lifters [Re: Cab_Burge] #3067169
08/11/22 08:48 PM
08/11/22 08:48 PM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
This is a bushed alum block. I just put a new roller cam and solid bushing roller lifters in. I was finishing up with the prime.

Re: Oil Past The Lifters [Re: 71birdJ68] #3067174
08/11/22 09:04 PM
08/11/22 09:04 PM
Joined: Aug 2003
Posts: 39,976
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 39,976
Bend,OR USA
Aluimnum grows when heated which makes me think it will leak less around the ilfter warm and hot up
I'm sure your lifters aren't causing the leaks around the roller wheels at the bottom of the bodies like a stock unbushed block can twocents work


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Oil Past The Lifters [Re: Cab_Burge] #3067183
08/11/22 09:21 PM
08/11/22 09:21 PM
Joined: May 2019
Posts: 4,555
nowhere
S
Sniper Offline
master
Sniper  Offline
master
S

Joined: May 2019
Posts: 4,555
nowhere
Originally Posted by Cab_Burge
Aluimnum grows when heated which makes me think it will leak less around the ilfter warm and hot up
I'm sure your lifters aren't causing the leaks around the roller wheels at the bottom of the bodies like a stock unbushed block can twocents work


Holes get bigger when the material they are in warms up. So odds are they would leak more when warmed up.

Re: Oil Past The Lifters [Re: 71birdJ68] #3067187
08/11/22 09:35 PM
08/11/22 09:35 PM
Joined: Mar 2011
Posts: 2,597
Michigan
T
Transman Online content
master
Transman  Online Content
master
T

Joined: Mar 2011
Posts: 2,597
Michigan
Originally Posted by 71birdJ68
This is a bushed alum block. I just put a new roller cam and solid bushing roller lifters in. I was finishing up with the prime.


A bushed block and you have oil leaking past the lifters? I take it the bushings have been drilled ?

Re: Oil Past The Lifters [Re: Transman] #3067191
08/11/22 09:55 PM
08/11/22 09:55 PM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
Yes, they are drilled. I just checked and the top of the lifter is just barely below the top of the bore when the lifter is all the way on its down stroke. What I'm wondering is, how much bypass is to much?

Last edited by 71birdJ68; 08/11/22 10:04 PM.
Re: Oil Past The Lifters [Re: 71birdJ68] #3067284
08/12/22 10:06 AM
08/12/22 10:06 AM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
I lied, I rechecked and when the lifters are at the top of their stoke they are just below the top of the bushing.

Re: Oil Past The Lifters [Re: Sniper] #3067345
08/12/22 01:16 PM
08/12/22 01:16 PM
Joined: Aug 2003
Posts: 39,976
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 39,976
Bend,OR USA
Originally Posted by Sniper
Originally Posted by Cab_Burge
Aluimnum grows when heated which makes me think it will leak less around the ilfter warm and hot up
I'm sure your lifters aren't causing the leaks around the roller wheels at the bottom of the bodies like a stock unbushed block can twocents work


Holes get bigger when the material they are in warms up. So odds are they would leak more when warmed up.
I'm thinking when they grow,the block, it will expand and the lifter holes will get smaller in diameter, not larger work
I'll try and remember to test my new aluminum KB wedge block with some heat in the lifter valley to find out if they shrink or get larger in diameter confused: work:

I'm thinking the block also grows more in height when warmed up more than the steel cylinder sleeves do also raising the heads up also so maybe I should make the piston deck height higher to compensate for the block deck height increase when hot work shruggy

Last edited by Cab_Burge; 08/12/22 01:21 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Oil Past The Lifters [Re: Cab_Burge] #3067372
08/12/22 02:54 PM
08/12/22 02:54 PM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
PM sent

Re: Oil Past The Lifters [Re: Cab_Burge] #3067400
08/12/22 04:48 PM
08/12/22 04:48 PM
Joined: May 2019
Posts: 466
Lake Villa Il
INTMD8 Offline
mopar
INTMD8  Offline
mopar

Joined: May 2019
Posts: 466
Lake Villa Il
Originally Posted by Cab_Burge
I'm thinking when they grow,the block, it will expand and the lifter holes will get smaller in diameter, not larger


Definitely the other way around


69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 595rwhp 475rwtq.
Re: Oil Past The Lifters [Re: 71birdJ68] #3067405
08/12/22 05:18 PM
08/12/22 05:18 PM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
Can anybody tell me how much is to much?

Re: Oil Past The Lifters [Re: 71birdJ68] #3067420
08/12/22 06:18 PM
08/12/22 06:18 PM
Joined: Jan 2003
Posts: 1,784
Harriman NY
7
71GTX471 Offline
top fuel
71GTX471  Offline
top fuel
7

Joined: Jan 2003
Posts: 1,784
Harriman NY
To much would be if it effects oil PSI, something you don't want to find out later after the eng.is assembled but how else would you really know unless the lifter bores are out of spec.

Re: Oil Past The Lifters [Re: 71birdJ68] #3067431
08/12/22 07:03 PM
08/12/22 07:03 PM
Joined: Oct 2005
Posts: 140
Anchorage, Alaska
metallicareload Offline
member
metallicareload  Offline
member

Joined: Oct 2005
Posts: 140
Anchorage, Alaska
Originally Posted by 71birdJ68
Can anybody tell me how much is to much?


It seems kinda subjective to me, other than what is your lifter to bore clearance? How much PSI are you getting when priming? I find it hard to believe that bushed lifters would have excessive clearance and find it even harder to believe bushed lifter bores would be exposing the oil band shruggy could you post a video?

FWIW my 440 seems to leak a “lot” but it made at least 45 psi on the engine stand. It only makes 15 or so psi at hot idle shruggy Shop that built the short block attribute the low oil pressure to loose bearing clearance. I think leakage around the lifters is part of it also. I did restrict oil to the drivers side lifter galley (solid roller)


440, 4-Speed, 3.54
1968, when Dinosaurs ruled the Earth
Re: Oil Past The Lifters [Re: metallicareload] #3067454
08/12/22 08:10 PM
08/12/22 08:10 PM
Joined: May 2019
Posts: 466
Lake Villa Il
INTMD8 Offline
mopar
INTMD8  Offline
mopar

Joined: May 2019
Posts: 466
Lake Villa Il
Yes, what is lifter to bore clearance?

Agreed that some photos/video would help.

Surprised to hear it's a gusher with bushed bores. I'm running solid roller in an unbushed block. .0015 clearance and oil leakage around the lifter during priming seemed minimal to me but I guess that is subjective. No restrictors and pushrod oiling.

1100 rpm idle was 49psi with 20-50 and now 41psi with 5-30


69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 595rwhp 475rwtq.
Re: Oil Past The Lifters [Re: INTMD8] #3068078
08/15/22 09:23 AM
08/15/22 09:23 AM
Joined: Feb 2012
Posts: 4,385
Morristown Tn.
7
71birdJ68 Offline OP
master
71birdJ68  Offline OP
master
7

Joined: Feb 2012
Posts: 4,385
Morristown Tn.
Anyway I can post a video on here? I recorded it.

Page 1 of 2 1 2






Powered by UBB.threads™ PHP Forum Software 7.7.1