5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

4k gov springs

Thread Tools
 
Search this Thread
 
  #1  
Old 04-29-2012, 02:16 PM
trentonwest29's Avatar
Diesel Enthusiast
Thread Starter
Join Date: Jul 2011
Location: Watertown,TN
Posts: 103
Likes: 0
Received 0 Likes on 0 Posts
Default 4k gov springs

would it be ok to put 4k gov springs in my 94 12v cummins with a 0 fuel plate,4'' exhaust,bhaf and star wheel turned thanks
 
  #2  
Old 04-29-2012, 03:12 PM
daveO's Avatar
Diesel Bomber
Join Date: May 2009
Location: Pottstown, PA
Posts: 1,030
Received 171 Likes on 90 Posts
Default

I would add at least 60# valve springs.
 
  #3  
Old 04-29-2012, 03:38 PM
SCHMITTY's Avatar
Diesel Enthusiast
Join Date: Feb 2012
Location: K-Beach AK
Posts: 109
Likes: 0
Received 1 Like on 1 Post
Default

I getting ready to install mine tonight. 100 plate, 3" exhaust
 
  #4  
Old 04-29-2012, 03:42 PM
trentonwest29's Avatar
Diesel Enthusiast
Thread Starter
Join Date: Jul 2011
Location: Watertown,TN
Posts: 103
Likes: 0
Received 0 Likes on 0 Posts
Default

just 60# valve springs? and how much of a difference will i tell?
 
  #5  
Old 04-29-2012, 03:49 PM
turbo2332's Avatar
Diesel Bomber
Join Date: Jun 2011
Location: Indiana
Posts: 2,171
Received 104 Likes on 101 Posts
Default

night and day. best mod you can do but install 60lbs springs if you use 4ks
 
  #6  
Old 04-29-2012, 07:59 PM
trentonwest29's Avatar
Diesel Enthusiast
Thread Starter
Join Date: Jul 2011
Location: Watertown,TN
Posts: 103
Likes: 0
Received 0 Likes on 0 Posts
Default

how reliable will it be for every day driver as far as bottom end and cam and all of that wil it hurt anything?
 
  #7  
Old 04-29-2012, 08:37 PM
daveO's Avatar
Diesel Bomber
Join Date: May 2009
Location: Pottstown, PA
Posts: 1,030
Received 171 Likes on 90 Posts
Default

4Ks are fine for a DD. The biggest risk is floating an exhaust valve if you stick with stock valve springs.
 
  #8  
Old 04-29-2012, 09:12 PM
trentonwest29's Avatar
Diesel Enthusiast
Thread Starter
Join Date: Jul 2011
Location: Watertown,TN
Posts: 103
Likes: 0
Received 0 Likes on 0 Posts
Default

anyone had any problems with valve beat in? and how long does it take install these?
 
  #9  
Old 04-29-2012, 09:16 PM
turbo2332's Avatar
Diesel Bomber
Join Date: Jun 2011
Location: Indiana
Posts: 2,171
Received 104 Likes on 101 Posts
Default

whats valve beat in?? 30 min for the 4ks and a hour or so with the valve springs, the back 4 are a bear.
 
  #10  
Old 04-30-2012, 04:59 PM
trentonwest29's Avatar
Diesel Enthusiast
Thread Starter
Join Date: Jul 2011
Location: Watertown,TN
Posts: 103
Likes: 0
Received 0 Likes on 0 Posts
Default

Do I need the titanium keepers and retainers? If so does anyone know where to get them cheap?
 


Quick Reply: 4k gov springs



All times are GMT -5. The time now is 09:06 PM.