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| Dodge Competition and Performance General Dodge Competition and Performance Discussion |
12-13-2017, 09:36 PM
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#1
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Name: Cummins12v
Title: Diesel Enthusiast
Status: Not Here
Join Date: Nov 2007
Location: Texas
Member`s Gallery
Posts: 108
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13mm vs bigger injectors
im bored and want more power. Should i step up my injectors to a set of 5x22s or should i stay with 5x18s and do 13mm plungers. my 12mm pump i have now is a 911 maxed out.
__________________
96 dually....money pit
2007 dually work... also money pit
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12-13-2017, 10:40 PM
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#2
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Name: YOUNG GUNS15
Title: Im AWESOME!!!!
Status: Not Here
Join Date: Sep 2009
Location: Utah
Member`s Gallery
Posts: 7,346
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You want the added injection rate of the 13mm pump. Made a big difference in my trucks ability to light turbos easier.
What is the truck going to be? Hot street toy or...?
Sent from my iPhone using Tapatalk
__________________
Spence
-1994 4x4 12 valve 13mm, single 475 748/1292 Fuel 872/1470 N2O
-2005 4x4 12 valve CCSB 3rd gen '12-rail' 280hp
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12-13-2017, 11:01 PM
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#3
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Name: mfsuper90
Title: 300ft is all I need
Status: Not Here
Join Date: Feb 2013
Location: Southeast ohio
Member`s Gallery
Posts: 769
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I believe Ferrel diesel service once posted saying a 12mm with a big cam was faster than a 13mm with a stock cam. Could be wrong though
__________________
’82 300D benz Bosch MW turned up, HX30, W/A Intercooler
MF Super 90 various odds and ends done. Farm stocker
MF 98 3-71 screaming jimmy. Needs N90's. Another farm stock
'14 Ram Anarchy EFI, G56
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12-13-2017, 11:24 PM
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#4
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Name: Cummins12v
Title: Diesel Enthusiast
Status: Not Here
Join Date: Nov 2007
Location: Texas
Member`s Gallery
Posts: 108
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Quote:
Originally Posted by YOUNG GUNS15
You want the added injection rate of the 13mm pump. Made a big difference in my trucks ability to light turbos easier.
What is the truck going to be? Hot street toy or...?
Sent from my iPhone using Tapatalk
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Just a toy to rip around. Thanks for the advice. Who do you recommend? Darren Morrison did the pump I have now
__________________
96 dually....money pit
2007 dually work... also money pit
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12-14-2017, 03:24 PM
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#5
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Name: Rich dzl
Title: 12v guru
Status: Not Here
Join Date: Mar 2011
Member`s Gallery
Posts: 741
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13mm =faster rate of injection
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12-15-2017, 02:55 AM
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#6
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Name: straight 6 roar
Title: Too Much Time
Status: Not Here
Join Date: Nov 2010
Location: Oahu, Hawaii
Member`s Gallery
Posts: 1,031
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A good pump is everything on a 12v.
__________________
2006 QCSB 2500 4x4 67/83/.90, +60% overs, TRE trans
1998 QCSB 2500 12 valve 4x4 Sold and missed
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12-18-2017, 06:09 PM
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#7
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Name: CTDYoungGun
Title: Seth- Fuel Injection Guy
Status: Not Here
Join Date: Aug 2007
Location: Kansas City, Mo
Member`s Gallery
Posts: 1,568
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Quote:
Originally Posted by mfsuper90
I believe Ferrel diesel service once posted saying a 12mm with a big cam was faster than a 13mm with a stock cam. Could be wrong though
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Below 400cc a 12mm b&p and v2.75 cam is faster than a 13mm b&p and 903 cam.
Above 400cc the 13mm and 903 cam is faster. At 600cc it is a lot faster.
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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12-19-2017, 09:08 AM
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#8
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Name: mfsuper90
Title: 300ft is all I need
Status: Not Here
Join Date: Feb 2013
Location: Southeast ohio
Member`s Gallery
Posts: 769
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Quote:
Originally Posted by CTDYoungGun
Below 400cc a 12mm b&p and v2.75 cam is faster than a 13mm b&p and 903 cam.
Above 400cc the 13mm and 903 cam is faster. At 600cc it is a lot faster.
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Thanks for clearing that up! I have never heard that before, but that’s great information to know 
__________________
’82 300D benz Bosch MW turned up, HX30, W/A Intercooler
MF Super 90 various odds and ends done. Farm stocker
MF 98 3-71 screaming jimmy. Needs N90's. Another farm stock
'14 Ram Anarchy EFI, G56
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12-19-2017, 10:27 AM
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#9
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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i just had Seth build a 12mm with a 2.75. wonderful street pump, not a maximum effort kinda pump but loads better than your average 160.
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12-19-2017, 09:08 PM
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#10
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Name: Theredbeast
Title: Rookie
Status: Not Here
Join Date: Nov 2013
Member`s Gallery
Posts: 13
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Is there any reason to upgrade a cam in a 180 pump?
__________________
1997 f250 dana60 swapped xclb. 1996 12valve swapped. 4k gov 024DVs timed 22* with extruded 5x14 78lpm sticks. Hamilton 188/220 cam. 63/68/.8 gated over s478. ATS stage 5 e4od
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12-19-2017, 09:45 PM
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#11
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Name: Jeremy001995
Title: diesel mecanic
Status: Not Here
Join Date: Sep 2016
Location: Quebec, Canada
Member`s Gallery
Posts: 169
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Quote:
Originally Posted by CTDYoungGun
Below 400cc a 12mm b&p and v2.75 cam is faster than a 13mm b&p and 903 cam.
Above 400cc the 13mm and 903 cam is faster. At 600cc it is a lot faster.
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the best of both worlds would be the 13mm p&b and a v2.75 cam?
__________________
Ram 2500 1994 12v South bend DD Comp clutch,NV4500 Manual Trans /NP271 , 62/74/.80 Silver Bullet PhatShaft,3piece manifold, 5x.014 injector, 191 Dv's,Rack Plug,215 p7100 23* Timing with PDD adjustable timing gear,4K GSK ,AFC Live 220GPH Fass
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12-20-2017, 06:59 AM
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#12
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Quote:
Originally Posted by Jeremy001995
the best of both worlds would be the 13mm p&b and a v2.75 cam?
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not for the street.
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12-20-2017, 08:04 AM
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#13
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Name: jlbayes
Title: Too Much Time
Status: Not Here
Join Date: Mar 2011
Location: michigan
Member`s Gallery
Posts: 2,399
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Quote:
Originally Posted by CTDYoungGun
Below 400cc a 12mm b&p and v2.75 cam is faster than a 13mm b&p and 903 cam.
Above 400cc the 13mm and 903 cam is faster. At 600cc it is a lot faster.
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Quote:
Originally Posted by Theredbeast
Is there any reason to upgrade a cam in a 180 pump?
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This answers your question. Can you justify having the cam replaced is the real question.
__________________
Jacob, 97 rclb
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12-20-2017, 08:25 AM
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#14
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Name: CTDYoungGun
Title: Seth- Fuel Injection Guy
Status: Not Here
Join Date: Aug 2007
Location: Kansas City, Mo
Member`s Gallery
Posts: 1,568
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Quote:
Originally Posted by Theredbeast
Is there any reason to upgrade a cam in a 180 pump?
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No, a 180 b&p doesn't lend itself well to quick rate cams- wrong LPC.
Quote:
Originally Posted by jlbayes
This answers your question. Can you justify having the cam replaced is the real question.
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I should have said "certain" 12mm b&p with the v2.75 are faster- I won't say which one(s) because a lot of pump shops are too lazy to figure it out for themselves (so we'll continue having a leg up).
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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12-20-2017, 09:12 AM
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#15
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Name: jlbayes
Title: Too Much Time
Status: Not Here
Join Date: Mar 2011
Location: michigan
Member`s Gallery
Posts: 2,399
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Quote:
Originally Posted by CTDYoungGun
No, a 180 b&p doesn't lend itself well to quick rate cams- wrong LPC.
I should have said "certain" 12mm b&p with the v2.75 are faster- I won't say which one(s) because a lot of pump shops are too lazy to figure it out for themselves (so we'll continue having a leg up).
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I was reading a bit between the lines.
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Jacob, 97 rclb
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12-20-2017, 09:44 AM
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#16
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Name: 9724VF350
Title: Tractor Guy
Status: Not Here
Join Date: Mar 2010
Location: Northeast Ohio
Member`s Gallery
Posts: 2,784
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So what I'm gathering here, in the P pump world, a 160/2.75 pump is pretty much the best thing there is for a sub 400cc street/towing truck?
__________________
97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now  , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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