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

About the mack plug/rack plug?

  #21  
Old 06-01-2009, 06:09 PM
oglejust's Avatar
Diesel Wrench
Join Date: Oct 2008
Location: paris illinois
Posts: 556
Received 19 Likes on 19 Posts
Default

cool man thanks for the pix im def gonna do this. hope theres a noticable difference in power
 
  #22  
Old 06-02-2009, 11:22 AM
94 12valve's Avatar
Diesel Bomber
Join Date: Jan 2009
Location: Pylesville, Maryland
Posts: 3,504
Received 157 Likes on 142 Posts
Default

Originally Posted by oglejust
cool man thanks for the pix im def gonna do this. hope theres a noticable difference in power
it only helps if your plate/afc set up allowes it to.
 
  #23  
Old 06-02-2009, 02:11 PM
89silverbullet's Avatar
Diesel Wrench
Join Date: May 2008
Location: Dallas, texas
Posts: 692
Received 29 Likes on 22 Posts
Default

so it wont help 215 pumps that much? did 215 come with a bigger plug?
 
  #24  
Old 06-02-2009, 02:25 PM
94 12valve's Avatar
Diesel Bomber
Join Date: Jan 2009
Location: Pylesville, Maryland
Posts: 3,504
Received 157 Likes on 142 Posts
Default

Originally Posted by 89silverbullet
so it wont help 215 pumps that much? did 215 come with a bigger plug?
no, the 215 pumps have the retard notch on top of the plunger. as rack travel increases the timing retards. so the more travel with the rack plug causes the pump to retard the timing even more ... thats why the rack plug hurts performance in a street truck with the 215 pump.
 
  #25  
Old 06-02-2009, 09:40 PM
oglejust's Avatar
Diesel Wrench
Join Date: Oct 2008
Location: paris illinois
Posts: 556
Received 19 Likes on 19 Posts
Default

i have no plate and no arm in right now, ive got the arm ready to put back in, i ground the foot so it should be ready for the rack plug
 
  #26  
Old 06-03-2009, 12:51 AM
89silverbullet's Avatar
Diesel Wrench
Join Date: May 2008
Location: Dallas, texas
Posts: 692
Received 29 Likes on 22 Posts
Default

Originally Posted by 94 12valve
no, the 215 pumps have the retard notch on top of the plunger. as rack travel increases the timing retards. so the more travel with the rack plug causes the pump to retard the timing even more ... thats why the rack plug hurts performance in a street truck with the 215 pump.
cool
 
  #27  
Old 06-03-2009, 05:54 AM
94 12valve's Avatar
Diesel Bomber
Join Date: Jan 2009
Location: Pylesville, Maryland
Posts: 3,504
Received 157 Likes on 142 Posts
Default

Originally Posted by oglejust
i have no plate and no arm in right now, ive got the arm ready to put back in, i ground the foot so it should be ready for the rack plug
flip the washers and then you will be ready
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Metz1234
Ford 83-94 6.9 and 7.3L General
3
03-03-2016 10:20 PM
8ntnofoo
Chevy/GMC Truck and Duramax Turbo Diesel Forum
3
09-01-2015 06:52 PM
ajwright64
Ford Powerstroke 99-03 7.3L
0
02-04-2015 09:36 PM
norcal6.5
Chevy/GMC 6.2L and 6.5L
1
12-07-2014 07:04 PM
wpg6.5
12 Valve 2nd Gen Dodge Cummins 94-98
1
11-19-2014 04:56 PM


Thread Tools
Search this Thread
Quick Reply: About the mack plug/rack plug?



All times are GMT -5. The time now is 04:05 PM.