Notices
8-Lug Truck Performance Duramax, 8.1L, and HD tech | Intakes | Exhaust | Tuning | Suspension | Drivetrain

8.1 help

Thread Tools
 
Search this Thread
 
Old 03-10-2010, 08:38 AM
  #1  
Teching In
Thread Starter
 
troysspeedshop's Avatar
 
Join Date: Oct 2008
Posts: 9
Likes: 0
Received 0 Likes on 0 Posts
Default 8.1 help

cold start up raddles not knocks hdro raddles
Old 03-24-2010, 07:17 PM
  #2  
Teching In
 
jct404's Avatar
 
Join Date: Jun 2007
Posts: 8
Likes: 0
Received 0 Likes on 0 Posts
Default

Piston slap. Get use to it. My 8.1 did it from the day I bought it. Its got to do with short skirts and not the ones on girls!!!
Old 03-25-2010, 10:09 AM
  #3  
TECH Resident
iTrader: (3)
 
Ender06's Avatar
 
Join Date: Oct 2008
Location: Independence, VA
Posts: 771
Likes: 0
Received 0 Likes on 0 Posts
Default

Like he said, piston slap. Not really anything to cure it. I started using Mobile 1 10w-40, it lessended the noise, but by no means cured it. Get used to it, its always gonna do it
Old 03-26-2010, 12:53 PM
  #4  
TECH Enthusiast
 
Kerr's Avatar
 
Join Date: Aug 2005
Location: VA
Posts: 732
Likes: 0
Received 0 Likes on 0 Posts
Default

same here, 130K miles latter its a little louder but not by much.... you should hear them when its below zero! also on mine when its below 20% my belt squeels...
Old 03-26-2010, 09:36 PM
  #5  
Registered User
iTrader: (1)
 
Team Paulie's Avatar
 
Join Date: Sep 2009
Location: Montana
Posts: 631
Likes: 0
Received 0 Likes on 0 Posts
Default

My 2002 did it too, went to 10w-30 and helped a bit.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Oobray
8-Lug Truck Performance
70
06-13-2022 03:38 AM
Ammadien
New Members
1
07-22-2015 08:50 PM
tbyrne
GM Parts Classifieds
2
11-20-2003 06:35 PM
tbyrne
GMT 800 & Older GM General Discussion
3
11-03-2002 11:19 PM



Quick Reply: 8.1 help



All times are GMT -5. The time now is 02:29 AM.