C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

12 frozen H lifters in my 72 350

Thread Tools
 
Search this Thread
 
Old 11-01-2019, 07:41 AM
  #1  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default 12 frozen H lifters in my 72 350

and 1 broken rocker stud i only drove it 1 or 2x a month past 20 yrs, (6000 miles) due to health problems. it is an XE262. it was backfiring out the carb and i thought "wiped cam" but no, frozen lifters. there was never any taps.
So my advice to you guys is to avoid health problems so you can drive more when you are old like me 67.
It is easier than you think to stay healthy! Just avoid fat, oils, butter, dairy, and ice cream
once i cut out the fat i got better. I had no idea that a slim guy like me had to worry about fat. past 20 yrs never more than 134#.
See sig
The following 3 users liked this post by Matt Gruber:
68post (11-01-2019), Greg (11-01-2019), interpon (11-01-2019)
Old 11-01-2019, 08:56 AM
  #2  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default lash?

so where do you guys set the lash when the H lifters are frozen? I set mine at .005"
Started up, ran good, no taps, but not driving as i just ordered a new stud, so just 7 cyl working.

ps iron heads/block

Last edited by Matt Gruber; 11-01-2019 at 09:11 AM.
Old 11-01-2019, 10:07 AM
  #3  
jackson
Le Mans Master

 
jackson's Avatar
 
Member Since: Sep 2001
Location: Unreconstructed, South Carolina
Posts: 7,739
Received 628 Likes on 556 Posts

Default R&R Lifters and clean them

A basic outline

If you have some mechanic abilities, a steady workbench in a clean work area that's Not served by same HVAC as your living area ... and a few standard paperboard egg crates ...

pull each of 16 lifters out and absolutely note exactly which positions they came from, so you can replace each in its discrete position ...

you can depress each lifter's spring-loaded pushrod cup with a drill press or bench vise ... cup retainer / clip prone to flight; don't lose it

disassemble each lifter (retainer clip's prone to flight; don't lose it) and keep as one discrete unit ... then clean parts well with aerosol brake / carburetor cleaner ...

lightly coat / spray parts with oil or WD40 ... reassemble parts (don't lose that retainer clip) ... install ... ensuring each lifter's returned to same bore it came from.
The following 2 users liked this post by jackson:
73racevette (11-01-2019), interpon (11-01-2019)
Old 11-01-2019, 10:21 AM
  #4  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default

Hi Jackson
if i had 1 froze lifter i'd try to get it apart. maybe soak in carb cleaner, or heat with a torch. BUT once i had a lifter stuck in the bore and i ended up junking the whole engine. froze parts are a PITA.
i did hammer on all 12 and they are SOLID. a pipe dream that all 12 will come apart. maybe 1-11 but not 12
Old 11-01-2019, 10:36 AM
  #5  
resdoggie
Had a 1976 L-82, 4-sp

Support Corvetteforum!
 
resdoggie's Avatar
 
Member Since: Mar 2011
Location: Some days your the dog and some days your the hydrant.
Posts: 5,338
Received 1,199 Likes on 925 Posts
Royal Canadian Navy

Default

Buy new lifters.
The following users liked this post:
bmans vette (12-06-2019)
Old 11-01-2019, 10:43 AM
  #6  
jackson
Le Mans Master

 
jackson's Avatar
 
Member Since: Sep 2001
Location: Unreconstructed, South Carolina
Posts: 7,739
Received 628 Likes on 556 Posts

Default Adjust Lifter Video youtube sbc HFT

And here's a Practical, excellent fool-proof video on how to adjust hydraulic lifters

Old 11-01-2019, 10:46 AM
  #7  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default

Originally Posted by resdoggie
Buy new lifters.
i once put new lifters on a cam with only 1000 miles, and 1 lobe wiped in 50 miles. So i'm not sure it will be a success. Plus my xe262 has been hammered for who knows how long. some may have been solid for years. not good for cam life ........................ not going to play laborous games with it. It will be driven until it wipes. My question is
"How much cold lash to try?"
Old 11-01-2019, 12:09 PM
  #8  
SH-60B
Melting Slicks
 
SH-60B's Avatar
 
Member Since: Mar 2008
Location: Meriden CT
Posts: 2,975
Received 194 Likes on 162 Posts

Default

Originally Posted by Matt Gruber
i once put new lifters on a cam with only 1000 miles, and 1 lobe wiped in 50 miles. So i'm not sure it will be a success. Plus my xe262 has been hammered for who knows how long. some may have been solid for years. not good for cam life ........................ not going to play laborous games with it. It will be driven until it wipes. My question is
"How much cold lash to try?"
so you want to adjust them as if they are solid? Use solid lifter specs. If you wipe out those lobes the metal will travel throughout the motor, then you'll have to do a rebuild, and then you'll be able to get new lifters along with everything else.
I am sorry to read of your illness, get well soon

Last edited by SH-60B; 11-01-2019 at 12:10 PM.
The following users liked this post:
bmans vette (12-06-2019)
Old 11-01-2019, 01:51 PM
  #9  
jackson
Le Mans Master

 
jackson's Avatar
 
Member Since: Sep 2001
Location: Unreconstructed, South Carolina
Posts: 7,739
Received 628 Likes on 556 Posts

Default

treat 'em as solids ? ... go on and use 1/4" clearance ... speed the plow ... be merciful to your '72 & dispatch it expeditiously
Old 11-01-2019, 02:00 PM
  #10  
7t9l82
Le Mans Master
 
7t9l82's Avatar
 
Member Since: Oct 2010
Location: melbourne florida
Posts: 6,338
Received 583 Likes on 462 Posts
2023 C3 of the Year Finalist - Modified

Default

Do you mean the hydraulic part of the lifter is jammed up or the lifters are stuck in the bore?
Old 11-01-2019, 04:00 PM
  #11  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default

Originally Posted by 7t9l82
Do you mean the hydraulic part of the lifter is jammed up or the lifters are stuck in the bore?
i said it runs good.
Old 11-01-2019, 04:07 PM
  #12  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default

Originally Posted by SH-60B
so you want to adjust them as if they are solid? Use solid lifter specs. If you wipe out those lobes the metal will travel throughout the motor, then you'll have to do a rebuild, and then you'll be able to get new lifters along with everything else.
I am sorry to read of your illness, get well soon
factually incorrect! lobe wiped in 1999, and i just changed the oil & filter and put in the xe262. But that is me, i have the filter bypass plugged, so shavings do NOT circulate. I'm willing to entertain the idea that those shavings finally got into the lifters BUT, hey, it is 20 yrs later, so several things are equally possible.
And no i don't use solid settings. Did this once before and i just adjusted the valves running, to where it liked to run. did not use a feeler gauge. This time i thought i'd give you guys a chance to show me you learned something in the past 20 years. But, so far nobody would try such an outlandish idea
Thanks for the well wishes I had to do my own experiments on that too; DR.s are even more timid.

Last edited by Matt Gruber; 11-01-2019 at 04:46 PM.
Old 11-01-2019, 04:14 PM
  #13  
TedH
Le Mans Master
Support Corvetteforum!
 
TedH's Avatar
 
Member Since: Feb 1999
Location: Tampa Bay FL
Posts: 8,344
Received 66 Likes on 53 Posts

Default

Originally Posted by Matt Gruber
and 1 broken rocker stud i only drove it 1 or 2x a month past 20 yrs, (6000 miles) due to health problems. it is an XE262. it was backfiring out the carb and i thought "wiped cam" but no, frozen lifters. there was never any taps.
So my advice to you guys is to avoid health problems so you can drive more when you are old like me 67.
It is easier than you think to stay healthy! Just avoid fat, oils, butter, dairy, and ice cream
once i cut out the fat i got better. I had no idea that a slim guy like me had to worry about fat. past 20 yrs never more than 134#.
See sig
Matt, when you say frozen, were the lifters frozen in the bores OR frozen mechanically (internal to the lifters).

Am asking for a friend that has hydraulic roller cam/lifters and the car sits WAY too long due to failing transmission...)
Old 11-01-2019, 04:27 PM
  #14  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default

Hi Ted
you know what a solid lifter is? 12 are now solid. internals frozen.

i should check my 61 too, have not had the covers off in 25 years. Did set it to zero so i could rev it to 7,000 without floating. could be froze up and i'd not notice. i drive it even less.

Last edited by Matt Gruber; 11-01-2019 at 04:49 PM.
Old 11-01-2019, 04:46 PM
  #15  
Jeffs82c3
Safety Car
 
Jeffs82c3's Avatar
 
Member Since: Oct 2015
Location: Lebanon Pa
Posts: 4,549
Received 218 Likes on 126 Posts
Default

Buy new lifters, look at the camshaft for any damage,run it.
Old 11-01-2019, 04:53 PM
  #16  
Matt Gruber
Race Director
Thread Starter
 
Matt Gruber's Avatar
 
Member Since: Oct 2000
Location: New Smyrna Beach, FL
Posts: 12,908
Received 75 Likes on 51 Posts

Default

Originally Posted by Jeffs82c3
Buy new lifters, look at the camshaft for any damage,run it.
i assume it is damaged, and will soon wipe. BUT if it is OK, then why not run it? it could last years.
Old 11-01-2019, 05:33 PM
  #17  
CanadaGrant
Safety Car
 
CanadaGrant's Avatar
 
Member Since: Apr 2006
Location: BC
Posts: 4,057
Received 416 Likes on 337 Posts

Default

The biggest problem is that all that metal from the camshaft is in the oil and the filter isn't going to pick everything up before it circulates in the engine. This will cause damage to pretty well every moving part including the main and rod bearings. A camshaft isn't expensive and lifters are cheap too but hauling out the engine for a total rebuild is. Why not just replace the cam and a new set of lifters for a couple of hundred bucks in parts?

Last edited by CanadaGrant; 11-01-2019 at 05:42 PM.
The following 4 users liked this post by CanadaGrant:
68post (11-01-2019), jackson (11-02-2019), Jeffs82c3 (11-01-2019), LarryinWV (11-01-2019)

Get notified of new replies

To 12 frozen H lifters in my 72 350

Old 11-02-2019, 03:59 PM
  #18  
REELAV8R
Le Mans Master
 
REELAV8R's Avatar
 
Member Since: Apr 2011
Location: Hermosa
Posts: 6,057
Received 1,034 Likes on 852 Posts

Default

Why not run it like solids if you want? Or just do like you did before adjust them with it running, it worked then it’ll probably work now, at least for a while.
I can see how several things could potentially go wrong, but heck it’s yours and you been down this road before.

Last edited by REELAV8R; 11-02-2019 at 04:01 PM.
Old 11-02-2019, 05:31 PM
  #19  
jackson
Le Mans Master

 
jackson's Avatar
 
Member Since: Sep 2001
Location: Unreconstructed, South Carolina
Posts: 7,739
Received 628 Likes on 556 Posts

Default

maybe some of the metal particles in the oil has lodged in some of the lifters and has jammed/plugged some of the lifters .... no matter right? all's well?

summit has several sbc HFT cam kits with lifters for as little as $113
https://www.summitracing.com/search/...rder=Ascending
Old 11-02-2019, 06:20 PM
  #20  
KenSny
Melting Slicks

 
KenSny's Avatar
 
Member Since: Apr 2001
Location: Olmsted Falls, Ohio
Posts: 3,399
Received 276 Likes on 201 Posts

Default

OK, this is a joke thread right?
Lifters are "frozen". Why worry? Run it? WTH?
A 61 has been under cover for 25 years and not been started. Well if it rev'd to 7000 then, go out and turn the key and rev it now. Then go for a pleasant drive. Don't wash it because the purists like dirt. Should sell for big $$$.
Yep, gotta be a joke thread.
The following users liked this post:
SH-60B (12-18-2019)


Quick Reply: 12 frozen H lifters in my 72 350



All times are GMT -4. The time now is 08:25 AM.