Balance shaft - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


General GM Chat When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made. Chat about all things GM (and related cars). Off-topic stuff should be in the Lounge, and all Model specific mechanical problems should be posted in the proper forum.

Reply
 
 
 
Thread Tools Search this Thread
Old 03-05-2011, 03:01 PM   #1
Senior Member
Posts like a 4 Banger
Thread Starter
 
sexSSEi's Avatar
 
Join Date: Jan 2011
Location: Niles, OH (youngstown area)
Posts: 118
Thanks: 0
Thanked 0 Times in 0 Posts
sexSSEi is on a distinguished road
Default Balance shaft

Can you remove the balance shaft out of the 3.8? Does it need to be there, I heard someone say that it isnt needed then I heard others say the engine will be way off balance? Thanks
sexSSEi is offline   Reply With Quote
Old 03-05-2011, 03:42 PM   #2
Retired Senior Admin

Expert Gearhead
 
Danthurs's Avatar
 
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Thanks: 0
Thanked 16 Times in 13 Posts
Danthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to all
Default

I've been told the engine will vibrate more. I've never built one with out, so can't say for sure.
Danthurs is offline   Reply With Quote
Old 03-05-2011, 05:14 PM   #3
Member
Posts like a V-Tak
 
Join Date: Jan 2011
Location: Florida
Posts: 58
Thanks: 0
Thanked 0 Times in 0 Posts
steveyjr1982 is on a distinguished road
Default

You can remove it, really the only thing you will notice is a vibration at idle but even then it will be small. You would have to drill and tap the oil passages to block them off or install a cam or freeze plug in there either way it will work.
steveyjr1982 is offline   Reply With Quote
Old 03-05-2011, 06:59 PM   #4
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

Been there, done that. It causes a lot more vibration, especially with a W body with urethane mounts. I'd only do it if you need the room for a double roller chain.

You can disable it by simply removing the gear and leaving it in place. Otherwise you need to plug the oil holes like Steve said.
BillBoost37 is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Help with balance shaft bearing failure? Mr Fix It 1992-1999 1 07-24-2014 07:46 AM
Questions about the balance shaft (bearing vs. bushing?) eazhar 1992-1999 9 03-25-2012 06:58 PM
balance shaft bonny99 1992-1999 2 11-13-2008 06:55 PM
Harmonic Balance whitelightning 1987-1991 10 10-31-2003 01:11 AM
Removing Balance shafts OLBlueEyesBonne Performance, Brainstorming & Tuning 0 09-08-2003 05:28 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 12:34 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.