Cam Install Gone Wrong
Thread Starter
Former Vendor
Joined: Feb 2007
Posts: 2,572
Likes: 1
From: Austin Texas
Cam Install Gone Wrong
May not be a Corvette but, still an LS1. This one had a cam swap and after some time, this happened.
It was really too bad. The owner bought it used and is a really nice guy. He babies the GTO and now has to go through the repair process.
It was really too bad. The owner bought it used and is a really nice guy. He babies the GTO and now has to go through the repair process.
Thread Starter
Former Vendor
Joined: Feb 2007
Posts: 2,572
Likes: 1
From: Austin Texas
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Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 327
From: CA.
St. Jude Donor '13-'14-'15
To me----When there is that much severe wear on ALL the lobes---It indicates a lubrication issue
--like running out of oil--plugged up oil flow--wrong viscosity---extreme overheating-
Which lifter actually broke ?? I beleive when the oil pressue goes away the 1st lifter to fail is the one that gets the oil LAST in the flow supply
It could be one lifter simply broke 1st and caused all the damage to the rest of the engine--But that would mean you were driving it for quite awhile and it would have been rattling and missing horribly---( I doubt you did that)---
Seems the logical thing is that it was a slow event that ended up finally with a broken lifter and all the other damage had alreday been in progress---
--like running out of oil--plugged up oil flow--wrong viscosity---extreme overheating-
Which lifter actually broke ?? I beleive when the oil pressue goes away the 1st lifter to fail is the one that gets the oil LAST in the flow supply
It could be one lifter simply broke 1st and caused all the damage to the rest of the engine--But that would mean you were driving it for quite awhile and it would have been rattling and missing horribly---( I doubt you did that)---
Seems the logical thing is that it was a slow event that ended up finally with a broken lifter and all the other damage had alreday been in progress---
Drifting
Joined: Feb 2010
Posts: 1,719
Likes: 37
From: Colorado
This is just necro car **** without an explanation. I'm about to do a head/cam swap and would like to know how in the hell he managed that so that I dont do it. Looks like he forgot to install an oil pump.
Team Owner
Joined: May 2001
Posts: 87,294
Likes: 1,579
From: Western NY
Safety Car
Joined: Apr 2007
Posts: 3,582
Likes: 136
From: SoCal CA
I had similar damage to my old motor. When a lifter collapses it causes excessive clearance between the rocker and pushrod so it becomes a hammer effect every time the pushrod hits the rocker. That will destroy a rocker really fast, especially a stock one.
Melting Slicks
Joined: Jul 2012
Posts: 2,507
Likes: 9
My father-in-law had an early 80's Camaro. GM has some problems with lifters hanging in their bores. He had a cam lobe ground almost round-car still ran. He had to go to arbitration to get GM to fix what they KNEW was a problem.