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

New engine wont turn over on the stand......by hand.

Thread Tools
 
Search this Thread
 
Old May 2, 2015 | 02:00 PM
  #1  
labreejr's Avatar
Thread Starter
Teching In
 
Joined: Jan 2013
Posts: 20
Likes: 0
Default New engine wont turn over on the stand......by hand.

Bought a texas-speed long block 408 in Feb. Its sat on the stand in the shop untouched wrapped in the shipping plastic until yesterday when i installed the front and rear covers, valve covers, intake, flexplate and oil pan. While installinf the hub for the balancer.......the crank wasn't turning. found that very odd. Took oil pan off just to take a look......nothing is moving. Timing chain doesn't budge while applying a lil pressure to the crank bolt. Windage has spacers on it so thats not hitting the crank. Ive got the edelbrock 2pc timing cover on it with a single roller timing chain.....so thats got clearance. Im stumped on this. Texas-speed is closed on the weekends. Is there something im missing??
Reply
Old May 2, 2015 | 05:54 PM
  #2  
conan's Avatar
TECH Senior Member
20 Year Member
iTrader: (5)
 
Joined: May 2004
Posts: 6,492
Likes: 6
From: Back in the Burg
Default

Are you using a socket wrench to turn it over or literally by hand ?
Reply
Old May 2, 2015 | 09:01 PM
  #3  
S10xGN's Avatar
TECH Junkie
iTrader: (11)
 
Joined: Jul 2005
Posts: 3,782
Likes: 7
From: Port Neches, TX
Default

Should be able to turn the flexplate by hand as long as the sparkplugs are out...
Reply
Old May 3, 2015 | 03:48 AM
  #4  
oldxr's Avatar
Teching In
 
Joined: Apr 2015
Posts: 11
Likes: 0
Default

Pull the rocker arms off and see if it moves.The cam might not be timed correctly.Dont force anything.If its got spark plugs in pull them first.It might be hydrolocked with oil.
Reply
Old May 5, 2015 | 12:16 PM
  #5  
PAGregSS's Avatar
TECH Fanatic
20 Year Member
iTrader: (10)
 
Joined: Aug 2002
Posts: 1,109
Likes: 0
From: Danville,PA
Default

Not sure if it's your problem or not, but I had a similar problem once back in the day when there was issues with some of the underdrive pulleys not working with the crank sprocket on double row timing chains. I torque it down and the balancer pinned the crank sprocket against the block and nothing would turn.
Reply
Old May 5, 2015 | 02:31 PM
  #6  
Meth Sled's Avatar
Launching!
iTrader: (1)
 
Joined: Feb 2015
Posts: 203
Likes: 0
From: Houston, Texas
Default

sub'd, would love to see what kinda reasons can cause this issue.
Reply
Old May 5, 2015 | 02:32 PM
  #7  
Meth Sled's Avatar
Launching!
iTrader: (1)
 
Joined: Feb 2015
Posts: 203
Likes: 0
From: Houston, Texas
Default

I can see the cam timing being off and there is piston to valve contact, but surely TSP checked that on assembly.
Reply
Old May 6, 2015 | 07:02 PM
  #8  
Taxman20's Avatar
TECH Resident
iTrader: (11)
 
Joined: Nov 2014
Posts: 976
Likes: 1
From: San Marcos, Tx
Default

Ive seen some pretty strange "they would have checked that" items come up in new engines. I would do as mentioned above. Loosen or remove rockers and see if it turns.
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

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

 Verdad Gallardo
story-1

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

 Pouria Savadkouei
story-2

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

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old May 6, 2015 | 07:03 PM
  #9  
LilJayV10's Avatar
TECH Senior Member
15 Year Member
Liked
Loved
Community Favorite
iTrader: (39)
 
Joined: Apr 2007
Posts: 9,711
Likes: 999
From: Evansville,IN
Default

Are you using a wrench or a long handled ratchet socket to try and turn it over?
Reply
Old May 6, 2015 | 11:09 PM
  #10  
Mrmooney's Avatar
On The Tree
iTrader: (9)
 
Joined: Sep 2012
Posts: 185
Likes: 0
From: Rio Rancho, NM
Default

Flexplate hitting engine stand. Seen that before lol
Reply
Old May 7, 2015 | 09:29 AM
  #11  
Jason 98 TA's Avatar
LS1Tech Premium Sponsor
iTrader: (4)
 
Joined: Nov 2001
Posts: 4,229
Likes: 4
From: Texas!
Default

Give us a call & we can help figure out what ya have going on. Something that got bolted on probably just has it in a bind. By the time its in the crate we ship in I seriously doubt it could take a impact in shipping that would stop it from rolling over....
__________________
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Reply
Old May 7, 2015 | 01:21 PM
  #12  
Sales2@Texas-speed's Avatar
LS1Tech Premium Sponsor
iTrader: (5)
 
Joined: Jan 2008
Posts: 5,053
Likes: 7
From: Texas!
Default

It's something you bolted on most likely. I've even seen the wrong bolts get used on the retainer plate I believe it was and it went all the way though and hit the crank.
__________________


Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!

COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Reply
Old May 9, 2015 | 06:21 AM
  #13  
Old Geezer's Avatar
TECH Senior Member
iTrader: (3)
 
Joined: Jun 2004
Posts: 5,639
Likes: 71
From: GA, USA
Default

Good luck turning it by hand w/ the valve springs all loaded.....
Reply
Old May 9, 2015 | 07:50 PM
  #14  
joecar's Avatar
TECH Senior Member
20 Year Member
Photogenic
Photoriffic
Shutterbug
 
Joined: Apr 2002
Posts: 6,080
Likes: 17
From: So.Cal.
Default

Originally Posted by Sales2@Texas-speed
It's something you bolted on most likely. I've even seen the wrong bolts get used on the retainer plate I believe it was and it went all the way though and hit the crank.
+1 this (the lower bolt on the retainer plate).
Reply
Old May 10, 2015 | 09:48 AM
  #15  
Red89GTA's Avatar
Launching!
 
Joined: Jun 2006
Posts: 209
Likes: 2
From: Middle of MI
Default

Figure it out?
Reply




All times are GMT -5. The time now is 07:21 PM.

story-0
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-1
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-2
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-3
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-4
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-5
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
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE