12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

45 psi

Thread Tools
 
Search this Thread
 
  #1  
Old 06-04-2009, 10:16 PM
chody19's Avatar
Diesel Fan
Thread Starter
Join Date: Jun 2009
Posts: 18
Likes: 0
Received 0 Likes on 0 Posts
Default 45 psi

im geting like 45 psi
how much power will the engien hold with ARP and a merien head gasget
how much will stock internals hold up to
 
  #2  
Old 06-04-2009, 10:41 PM
95cumminsguy's Avatar
Diesel Enthusiast
Join Date: Mar 2009
Location: SLC Utah
Posts: 156
Likes: 0
Received 7 Likes on 7 Posts
Default

your stock rods and pistons should be fine under 45 psi of boost how much power it will hold and last is all about how you take care of it. And how many miles are on it I dont care what anybody says you start rolling around 200,000 and over stuff starts wearing out and becomes more suspect to breaking. I had my 95 in the ball park of 600 hp and 1,000 trq it only lasted a couple months but it had high miles on it and was about to bite the dust anyway. your headstuds and marine gasket should hold 45 psi anything over that though and i would look into getting your head ringed. hope that helps ya out
 

Last edited by 95cumminsguy; 06-04-2009 at 10:41 PM. Reason: left a part out
  #3  
Old 06-04-2009, 10:43 PM
chody19's Avatar
Diesel Fan
Thread Starter
Join Date: Jun 2009
Posts: 18
Likes: 0
Received 0 Likes on 0 Posts
Default

really so what just rebuild it rings and barrens and fire rings
 
  #4  
Old 06-04-2009, 10:51 PM
95cumminsguy's Avatar
Diesel Enthusiast
Join Date: Mar 2009
Location: SLC Utah
Posts: 156
Likes: 0
Received 7 Likes on 7 Posts
Default

Pretty much ya I got the block all machined and head reconditioned and had the machine shop cut the groove for the fire ring, now im in the process of putting it all back together
 
  #5  
Old 06-04-2009, 11:00 PM
chody19's Avatar
Diesel Fan
Thread Starter
Join Date: Jun 2009
Posts: 18
Likes: 0
Received 0 Likes on 0 Posts
Default

sonds good i have the pro street 66 and only geting 45 do you know how much i can get out of it
 
  #6  
Old 06-04-2009, 11:03 PM
95cumminsguy's Avatar
Diesel Enthusiast
Join Date: Mar 2009
Location: SLC Utah
Posts: 156
Likes: 0
Received 7 Likes on 7 Posts
Default

How much as far as price or boost?
 
  #7  
Old 06-04-2009, 11:07 PM
chody19's Avatar
Diesel Fan
Thread Starter
Join Date: Jun 2009
Posts: 18
Likes: 0
Received 0 Likes on 0 Posts
Default

boost i have one im only geting 45 do you know how to turn the boost up i turnd up the wastgate
 
  #8  
Old 06-04-2009, 11:15 PM
95cumminsguy's Avatar
Diesel Enthusiast
Join Date: Mar 2009
Location: SLC Utah
Posts: 156
Likes: 0
Received 7 Likes on 7 Posts
Default

thats about the only choice I think ya got once you start bypassing the wastegate to get more boost you will have to increase the drive pressure but I dont know how much that turbo will push before it starts to over boost itself you would have to ask the people who made it.
 
  #9  
Old 06-05-2009, 01:34 AM
94cummins12v's Avatar
Diesel Bomber
Join Date: Jan 2008
Location: Havre mt
Posts: 4,525
Received 103 Likes on 99 Posts
Default

your stock gasket and bolts are rated at 45psi if you add studs alone you can hold 55psi with oring and studs you can hold well over the 65psi mark. as far as firering, dont do it get the head o-ringed instead. mush cheaper no need for a special gasket. with fireringing i have herd stories of guys leaking antifreeze threw the rings
 
  #10  
Old 06-05-2009, 09:54 AM
daveO's Avatar
Diesel Bomber
Join Date: May 2009
Location: Pottstown, PA
Posts: 1,030
Received 171 Likes on 90 Posts
Default

Originally Posted by 94cummins12v
as far as firering, dont do it get the head o-ringed instead. mush cheaper no need for a special gasket. with fireringing i have herd stories of guys leaking antifreeze threw the rings
Just about to bring this up.
 


Quick Reply: 45 psi



All times are GMT -5. The time now is 03:32 PM.