Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

LS1 broke

Thread Tools
 
Search this Thread
 
Old Dec 3, 2007 | 08:24 PM
  #1  
99mongooSS's Avatar
Thread Starter
TECH Resident
15 Year Member
iTrader: (4)
 
Joined: May 2007
Posts: 781
Likes: 2
From: Denton, Tx
Default LS1 broke

it made weird sounds and the oil pressure was really low. It sounded like the bottom end came apart. but I took apart the top end of the motor and everything was good looking, nothing was damaged so I guess Im gonna take everything else apart tommorrow. Any ideas on what it is, any suggestions?
Reply
Old Dec 3, 2007 | 08:47 PM
  #2  
Z28/2002's Avatar
11 Second Club
iTrader: (27)
 
Joined: May 2005
Posts: 6,799
Likes: 5
From: Your girl's back door giving her the long stroke while you're at work
Default

It probably ate a bearing
Reply
Old Dec 3, 2007 | 08:56 PM
  #3  
99mongooSS's Avatar
Thread Starter
TECH Resident
15 Year Member
iTrader: (4)
 
Joined: May 2007
Posts: 781
Likes: 2
From: Denton, Tx
Default

rod or main? because that was my first thought, Im going to pull the motor this week and find out but after it sounded like hell in the block, it starts right up and idles with the ms4 cam so I have no idea. but has anything like this happened to anyone else?
Reply
Old Dec 3, 2007 | 10:22 PM
  #4  
Z28/2002's Avatar
11 Second Club
iTrader: (27)
 
Joined: May 2005
Posts: 6,799
Likes: 5
From: Your girl's back door giving her the long stroke while you're at work
Default

Mine sounded like a monkey with a stick and a coffee can. It turned out to be #5 and #6 rod bearings toasted and took the crank with it
Reply
Old Dec 4, 2007 | 02:43 AM
  #5  
99mongooSS's Avatar
Thread Starter
TECH Resident
15 Year Member
iTrader: (4)
 
Joined: May 2007
Posts: 781
Likes: 2
From: Denton, Tx
Default

damn that sounds bad, I shure as hell hope the bearings didnt take my crank with them as well. if so **** it im goin bigger cubes.
Reply
Old Dec 4, 2007 | 06:27 AM
  #6  
ls1leadfoot's Avatar
TECH Resident
iTrader: (1)
 
Joined: Oct 2004
Posts: 894
Likes: 1
From: Greenwood, IN
Default

rod bearing......mine sounded like something loose flopping around in the bottom end
Reply
Old Dec 4, 2007 | 06:51 AM
  #7  
ls1leadfoot's Avatar
TECH Resident
iTrader: (1)
 
Joined: Oct 2004
Posts: 894
Likes: 1
From: Greenwood, IN
Default

seeing if my sig pic works
Reply
Old Dec 4, 2007 | 08:32 AM
  #8  
Michael Ozorowsky's Avatar
TECH Resident
iTrader: (1)
 
Joined: Apr 2003
Posts: 798
Likes: 0
From: Tampa, FL
Default

are rod bearings expensive?
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

 Brett Foote
story-1

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

 Pouria Savadkouei
story-2

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

 Verdad Gallardo
story-3

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-4

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-5

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-6

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-7

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-8

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-9

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
Old Dec 4, 2007 | 08:44 AM
  #9  
quiet_storm98's Avatar
12 Second Club
iTrader: (48)
 
Joined: May 2005
Posts: 2,017
Likes: 20
From: Virginia
Default

Originally Posted by Michael Ozorowsky
are rod bearings expensive?
the part isn't expensive but you have to take apart your motor to get to them...thats when it becomes expensive
Reply
Old Dec 4, 2007 | 09:04 AM
  #10  
ls1leadfoot's Avatar
TECH Resident
iTrader: (1)
 
Joined: Oct 2004
Posts: 894
Likes: 1
From: Greenwood, IN
Default

federal mogul are only like 35.00
labor about 1000.00
do it yourself
Reply
Old Dec 4, 2007 | 09:06 AM
  #11  
Michael Ozorowsky's Avatar
TECH Resident
iTrader: (1)
 
Joined: Apr 2003
Posts: 798
Likes: 0
From: Tampa, FL
Default

so as long as you tear the motor down yourself its not really that expensive right? Sorry to hijack the thread. This is my last question here. Just figured the OP might want to know this stuff too
Reply
Old Dec 4, 2007 | 09:09 AM
  #12  
LS240sx's Avatar
On The Tree
iTrader: (12)
 
Joined: Mar 2007
Posts: 132
Likes: 0
From: Bowling Green, Kentucky
Default

I ate up number 5 and 6 and 1/2 3/4 were pretty close to the same.
Reply
Old Dec 4, 2007 | 09:10 AM
  #13  
ls1leadfoot's Avatar
TECH Resident
iTrader: (1)
 
Joined: Oct 2004
Posts: 894
Likes: 1
From: Greenwood, IN
Default

i smoked 1/2 7/8 others were fine

your oil should also look like metallic paint
Reply
Old Dec 4, 2007 | 10:04 AM
  #14  
JedWele's Avatar
Staging Lane
 
Joined: Apr 2005
Posts: 55
Likes: 0
Default

Seems like Ls1’s are bad about eating bearings for some reason. Friend of mine’s ls1 just ate one for breakfast. (not sure what cyl)
Reply
Old Dec 4, 2007 | 10:07 AM
  #15  
BlackScreaminMachine's Avatar
Internet Mechanic
20 Year Member
iTrader: (17)
 
Joined: May 2005
Posts: 9,830
Likes: 2
From: Wallingford CT
Default

The big issue is after pulling the engine, and even after you break it down is to inspect and then check clearances and make sure its with in recommended servicing specifications.

I.E. checking the crank and making sure if it needs to be cut, polished, or if its fine. And that if you have to put a oversized bearing, generally a machine shop will do all of them to keep it simple and for future servicing.

Yank it and check it, fix if needed,
Reply




All times are GMT -5. The time now is 02:17 AM.

story-0
6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Don't get dad new socks or a grill brush this year.

By Brett Foote | 2026-06-09 14:55:56


VIEW MORE
story-1
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-2
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-3
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-4
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-5
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-6
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-7
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-8
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-9
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE