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06-27-2010, 08:57 PM
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#41
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Name: srt cummins
Title: Too Much Time
Status: Not Here
Join Date: Sep 2008
Location: Artesia
Member`s Gallery
Posts: 1,788
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Ok what's the purpose of the the plug? Will it add any power to a 160 pump
__________________
04.5 cummins slow poke
05 1500 ten year project
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06-27-2010, 11:18 PM
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#42
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Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
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The stock rack plug limits the injection duration. A 2095 rack plug allows more duration which equals more fuel.
In lay-man's terms, a rack plug lets the injectors spray longer.
If your 160, 180, or 215 pumped vehicle has enough extra air, adding a 2095 rack plug will add more horsepower.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm 
OEM 12v Block 
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06-28-2010, 12:08 AM
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#43
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Name: srt cummins
Title: Too Much Time
Status: Not Here
Join Date: Sep 2008
Location: Artesia
Member`s Gallery
Posts: 1,788
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Thanks big blue so with a stock charger it's useless then and just an intak?
__________________
04.5 cummins slow poke
05 1500 ten year project
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06-28-2010, 07:24 AM
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#44
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Name: NickTF
Title: Single turbo turd.
Status: Not Here
Join Date: Jun 2007
Location: Laurel, DE
Member`s Gallery
Posts: 5,887
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Quote:
Originally Posted by Big Blue24
The stock rack plug limits the injection duration. A 2095 rack plug allows more duration which equals more fuel.
In lay-man's terms, a rack plug lets the injectors spray longer.
If your 160, 180, or 215 pumped vehicle has enough extra air, adding a 2095 rack plug will add more horsepower.
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To add to this the 215 pump is sensitive to timing with the addition of the rack plug. 25* is a minimum if you want more power from this mod in a 215 pump because of the plunger design.
__________________
97 12v sold. 2015 Power Wagon DD!
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06-28-2010, 01:54 PM
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#45
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Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
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Quote:
Originally Posted by srt cummins
Thanks big blue so with a stock charger it's useless then and just an intak?
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If you are not running a fuel plate, and you have have modified the AFC for full rack travel, you will get more power with this modification.
Basically there is a "rack" in the pump that controls the duration of injection. The stock plate limits rack travel which limits duration (how long the injectors spray). The afc also controls rack travel and it limits rack travel based on boost pressure. The AFC in stock form cannot travel far enough to allow full rack travel. In stock form, the AFC does move far enough to where the stock fuel plate limits rack travel.
Stock 160 HP
Remove the plate about 200 HP
Modify the AFC with Plate removed about 230 HP
Remove plate, modify AFC, add rack plug about 260-280 HP.
If you are running larger than stock injectors, you probably have the stock turbo maxed out and adding a rack plug will only add 10-20 HP along with a bunch of smoke and late fuel burning in the exhaust tract.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
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06-28-2010, 02:48 PM
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#46
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Name: SSpeeDEMONSS
Title: Still Learning
Status: Not Here
Join Date: May 2006
Location: LA/OC, so cal
Member`s Gallery
Posts: 3,370
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Quote:
Originally Posted by tennesseekid
sspeedemonss, sorry that i asked a question that was only commented on previously. didn't know that only two peoples opinion applied. guess EVERYBODY has the same result seeing how every truck is the same and all. thanks for all of the incredible advise. man your awesome
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Quote:
Originally Posted by dslhtrdr
I don't think Garrett was trying to be a d*ck to you even if it sounded that way.
I'm running 26* and have been for almost a year on the stock cam. I haven't heard of anyone having trouble with any amount of timing on any cam as well.
I want to install a mack plug. I need to take my pump off and have it benched eventually, so I will install it then and save my timing case from the grinder. With my luck, I'm positive I would ruin the case if I tried to grind it.
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how did my post make me a dlck? he asked a question and i showed him the answer.
Garrett
__________________
2003 F-250 XLT, CC, SB, 4wd, 5r110, 3.73 in pieces
"Runs, DRIPS, and Errors" 94 2500 12v, 4wd, 5spd, 4.10. 382hp/1000tq gone but not forgotten
2000 GMC 2500 6.0 LQ4, 4l80e, 2wd, RC, LB needs a turbo
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06-28-2010, 07:46 PM
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#47
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Name: srt cummins
Title: Too Much Time
Status: Not Here
Join Date: Sep 2008
Location: Artesia
Member`s Gallery
Posts: 1,788
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ok so my dads truck we have no plate in it now nodded the afc and put a boost elbow and closed it the truck will barley make 26 psi and has no black smoke acts like a bran new truck. We have checked for boost leaks and nothing check the afc to see if it was messed up and it's good so is the pump going out?
Quote:
Originally Posted by Big Blue24
If you are not running a fuel plate, and you have have modified the AFC for full rack travel, you will get more power with this modification.
Basically there is a "rack" in the pump that controls the duration of injection. The stock plate limits rack travel which limits duration (how long the injectors spray). The afc also controls rack travel and it limits rack travel based on boost pressure. The AFC in stock form cannot travel far enough to allow full rack travel. In stock form, the AFC does move far enough to where the stock fuel plate limits rack travel.
Stock 160 HP
Remove the plate about 200 HP
Modify the AFC with Plate removed about 230 HP
Remove plate, modify AFC, add rack plug about 260-280 HP.
If you are running larger than stock injectors, you probably have the stock turbo maxed out and adding a rack plug will only add 10-20 HP along with a bunch of smoke and late fuel burning in the exhaust tract.
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__________________
04.5 cummins slow poke
05 1500 ten year project
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06-28-2010, 08:06 PM
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#48
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Name: G1625S
Title: Too Much Time
Status: Not Here
Join Date: Aug 2009
Location: Kirkwood, NY
Member`s Gallery
Posts: 340
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Sounds like there is something else amiss on your dads truck. Have you checked the fuel pressure to the injection pump?
__________________
f350 sitting in shop on blocks 
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06-28-2010, 08:45 PM
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#49
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Name: dslhtrdr
Title: Always learning...
Status: Not Here
Join Date: Sep 2009
Location: Sebastopol
Member`s Gallery
Posts: 677
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Quote:
Originally Posted by SSpeeDEMONSS
how did my post make me a dlck? he asked a question and i showed him the answer.
Garrett
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I didn't think you sounded like a d*ck at all Garrett. He was a little offended at your response and I was defending you because I know you weren't trying to be a one.
Sorry for the confusion if there was any.
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06-28-2010, 10:00 PM
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#50
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Name: srt cummins
Title: Too Much Time
Status: Not Here
Join Date: Sep 2008
Location: Artesia
Member`s Gallery
Posts: 1,788
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Quote:
Originally Posted by G1625S
Sounds like there is something else amiss on your dads truck. Have you checked the fuel pressure to the injection pump?
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yes sir. i have some friends with 12v and they make good power but no one can give me an answer. were goin to check the timeing you think that would help? the only way it blows some coal if you brake stand and its not much then u cant see it cause to much with smoke from the tires.
__________________
04.5 cummins slow poke
05 1500 ten year project
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06-28-2010, 10:28 PM
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#51
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Name: tennesseekid
Title: Too Much Time
Status: Not Here
Join Date: Apr 2008
Location: tennessee
Member`s Gallery
Posts: 253
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sspeedemonss, do you have a mack rack plug?
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06-29-2010, 01:39 AM
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#52
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Name: SSpeeDEMONSS
Title: Still Learning
Status: Not Here
Join Date: May 2006
Location: LA/OC, so cal
Member`s Gallery
Posts: 3,370
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Quote:
Originally Posted by tennesseekid
sspeedemonss, do you have a mack rack plug?
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yup. i also run a fully modded AFC and no plate because i know that without them the mack plug is useless.
Garrett
__________________
2003 F-250 XLT, CC, SB, 4wd, 5r110, 3.73 in pieces
"Runs, DRIPS, and Errors" 94 2500 12v, 4wd, 5spd, 4.10. 382hp/1000tq gone but not forgotten
2000 GMC 2500 6.0 LQ4, 4l80e, 2wd, RC, LB needs a turbo
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06-29-2010, 01:43 AM
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#53
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Name: SSpeeDEMONSS
Title: Still Learning
Status: Not Here
Join Date: May 2006
Location: LA/OC, so cal
Member`s Gallery
Posts: 3,370
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Quote:
Originally Posted by dslhtrdr
I didn't think you sounded like a d*ck at all Garrett. He was a little offended at your response and I was defending you because I know you weren't trying to be a one.
Sorry for the confusion if there was any.
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i would still like to know why he was offended by my 3 word post? i simply answered the question that he asked with a previous quote. schitt, if i was a dlck because of that post he isnt going to like some of the other guys on comp.
Garrett
__________________
2003 F-250 XLT, CC, SB, 4wd, 5r110, 3.73 in pieces
"Runs, DRIPS, and Errors" 94 2500 12v, 4wd, 5spd, 4.10. 382hp/1000tq gone but not forgotten
2000 GMC 2500 6.0 LQ4, 4l80e, 2wd, RC, LB needs a turbo
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06-29-2010, 09:59 AM
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#54
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Name: dslhtrdr
Title: Always learning...
Status: Not Here
Join Date: Sep 2009
Location: Sebastopol
Member`s Gallery
Posts: 677
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Quote:
Originally Posted by SSpeeDEMONSS
i would still like to know why he was offended by my 3 word post? i simply answered the question that he asked with a previous quote. schitt, if i was a dlck because of that post he isnt going to like some of the other guys on comp.
Garrett
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I'm not sure why he was offended either. And I guess it's a good thing guys like DTanklage were banned from here otherwise there would be much worse things said to him.
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06-29-2010, 06:15 PM
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#55
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Name: JFlagg
Title: Gun for Hire
Status: Not Here
Join Date: Jul 2007
Location: St. Louis, MO
Member`s Gallery
Posts: 5,630
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Just a little FYI for anyone that is going to do the Mack rack plug mod, but hasn't bought one yet... Alot of performance shops I'm told sell these for about $20 bucks, I ordered mine today from the Bosch shop by my house for $9 and some change... I'm all about saving a few bucks 
__________________
P-pumped 24V... with a few mods 
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06-29-2010, 07:27 PM
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#56
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Name: dslhtrdr
Title: Always learning...
Status: Not Here
Join Date: Sep 2009
Location: Sebastopol
Member`s Gallery
Posts: 677
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Quote:
Originally Posted by JFlagg
Just a little FYI for anyone that is going to do the Mack rack plug mod, but hasn't bought one yet... Alot of performance shops I'm told sell these for about $20 bucks, I ordered mine today from the Bosch shop by my house for $9 and some change... I'm all about saving a few bucks |
Amen to that. Pure diesel power sells them pretty cheap too. $12.95 right here
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06-29-2010, 08:20 PM
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#57
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Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
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Brett at TNT-Power gave me a packaged deal price that included 4k GSK, 60lb Valve Springs, and 2095 Plug for a GREAT price.
As cheap as I am, a great price doesn't happen often.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
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06-29-2010, 10:04 PM
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#58
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Name: JFlagg
Title: Gun for Hire
Status: Not Here
Join Date: Jul 2007
Location: St. Louis, MO
Member`s Gallery
Posts: 5,630
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The best part of the deal fo me is that I can hit the Bosch shop with a arched bow shot, lol. I could walk there if I want... Beats waiting for the mailman 
__________________
P-pumped 24V... with a few mods
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