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Author Topic:   Lifter problem
Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-07-2003 11:37 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
Guy, I need the advice of you more experoenced mechanic types...
I think I have two bad hyd lifters.
I keep getting a tick sound on the passenger side seemingly from the valvecover area.

With a mechanics stethoscope, I have found two noisy lifters. With the stethscope probe on the poly lock, these two sound like someone striking a chisel with a hammer. The others sound like light tapping.
I have tightened both of these lifters, but nothing changes.
Are these lifters bad?
I better go check for header leaks too now that I think about it.....

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 04-07-2003 12:02 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Try backing them off until they get louder while running, then slowly snug them back up until they shut up. They may have bled down.
If they remain noisy then either they may need to be replaced or the cam is bad.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
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The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-07-2003 12:08 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
Try backing them off until they get louder while running, then slowly snug them back up until they shut up. They may have bled down.
If they remain noisy then either they may need to be replaced or the cam is bad.


I tried that on the two noisy lifters....
The rattle doesn't really change when the lifters are loose.....

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 04-07-2003 12:13 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Have you checked the rocker arms?

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-07-2003 02:04 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
Have you checked the rocker arms?


What do I look for?
These are Crane die cast roller rockers.

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-07-2003 03:15 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
Problem found!
The cam is wiped
And I just sold a good solid lifter cam a few weeks ago.....
I wonder if the machine shop had my spring pressure too high?

[This message has been edited by Mpcoluv (edited 04-07-2003).]

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Capri
Gearhead

Posts: 1368
From: Lyons, ILL, USA
Registered: May 99

posted 04-07-2003 03:24 PM     Click Here to See the Profile for Capri   Click Here to Email Capri     Edit/Delete Message   Reply w/Quote
Which camshaft got wiped out, and what did they have the spring pressure set at?

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-07-2003 04:04 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Capri:
Which camshaft got wiped out, and what did they have the spring pressure set at?

A custom Isky Hyd. cam
The springs were set (supposidly) at 130# seat and around 330# open pressure. This was per Isky's instructions.....

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 04-07-2003 04:10 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:

or the cam is bad.


Uh.....yeah! Sorry.

Kinda what I thought.
It's not too much spring pressure. That will not wipe out a cam, especially a girlyman cam.
Bad lifters, oiling problem, not enough break in lube, improper break in, any number of items can attribute to a cam going flat.
As I mentioned about a year ago, lifters, especially hydraulic ones are going to be a problem source.
Let me know if we can help you out.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-07-2003 04:28 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneymaker:
Uh.....yeah! Sorry.

Kinda what I thought.
It's not too much spring pressure. That will not wipe out a cam, especially a girlyman cam.
Bad lifters, oiling problem, not enough break in lube, improper break in, any number of items can attribute to a cam going flat.
As I mentioned about a year ago, lifters, especially hydraulic ones are going to be a problem source.
Let me know if we can help you out.



Well, I had Eaton lifters, I have restricted oiling (restrictor drilled out to .125 for juice cam), and I think I used enough breakin lube. I get tons of oil on the top end judging from the oil on my fenderwells.
The lifter's plunger is frozen solid.....
Both lifters are on the passenger side.....
I think I followed the breakin procedure properly.
At this point, I really don't have a good answer as to what was the cause.

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-09-2003 05:05 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
How much disassembly and cleaning should I do?
The engine actaully looks pretty clean inside.
I haven't pulled any bearings yet though.....

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Glens67
Gearhead

Posts: 477
From: Petaluma
Registered: Mar 2002

posted 04-09-2003 05:24 PM     Click Here to See the Profile for Glens67   Click Here to Email Glens67     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Mpcoluv:
How much disassembly and cleaning should I do?
The engine actaully looks pretty clean inside.
I haven't pulled any bearings yet though.....


The Bearings will tell you.

------------------
Glen
67 GT 390
65 Galaxie 500 XL 4 Speed
It was not a Red Light they gave me a Slow Tree
I WAS NOT LATE the Tree was Fast

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Mpcoluv
Gearhead

Posts: 1278
From: Charlotte NC usa
Registered: Apr 2001

posted 04-10-2003 10:40 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Glens67:

The Bearings will tell you.
[/b]


The bearings have told me.
Gotta pull it out and change bearings and maybe hone the block.......
Crap

[This message has been edited by Mpcoluv (edited 04-10-2003).]

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 04-10-2003 10:43 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Bummer.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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kid vishus
Gearhead

Posts: 6098
From: middle of NC
Registered: Oct 2000

posted 04-10-2003 11:22 AM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
That sux

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 04-10-2003 02:09 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
I know what you feel.
I have been there twice.

------------------

  • 71 Mach1 351c
  • E/SA 11.89-110 mph
  • F/SA 11.76-111 mph

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