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02-27-2016, 12:17 AM
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#41
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Name: Leiffi
Title: Too Much Time
Status: Not Here
Join Date: Jan 2013
Member`s Gallery
Posts: 1,381
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Quote:
Originally Posted by CTDYoungGun
I don't have any info on that pump saved in my file. About all I can tell you is the obvious info from the nomenclature- 8 cylinder 12mm p7100 12mm cam with base mount housing, more than likely has constant pressure valves and came off a Mack application.
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What's the idea behind constant pressure valves ? Is the any benefit performance vise to change them to "normal" type ? So called H pumps had those constant pressure valves and they were failing regurarly.
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02-27-2016, 01:20 AM
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#42
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Name: SmokinCAT
Title: Cheap and Easy.
Status: Not Here
Join Date: Sep 2008
Location: Hillsboro, Oh
Member`s Gallery
Posts: 3,162
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Quote:
Originally Posted by CTDYoungGun
I don't have any info on that pump saved in my file. About all I can tell you is the obvious info from the nomenclature- 8 cylinder 12mm p7100 12mm cam with base mount housing, more than likely has constant pressure valves and came off a Mack application. Sorry I can't be more help!
I think the p-pump guys got worried about the VE pumps getting attention and rushed everything in at once to keep me preoccupied with them
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So could it have the same work done to it as any of the other 7100s you are working on?
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02-28-2016, 12:24 PM
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#43
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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 Leiffi
What's the idea behind constant pressure valves ? Is the any benefit performance vise to change them to "normal" type ? So called H pumps had those constant pressure valves and they were failing regurarly.
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I have never done a back to back performance comparison between constant pressure valves and standard delivery valves, so I can't answer any differences in performance.
I researched this for a while and never found a direct reason given from Bosch, but in their patent application for the constant pressure valve they did note that a possible negative effect of the snubber valve located in the valve could be premature wear and failure. The basic idea was that by locating the snubber valve in the valve that cycles up and down with every pump stroke, that added motion would cause failure in the snubber by vibrating/ cracking/ deteriorating the snubber assembly.
When they switched the locstion of the snubber valve to the dv holder where it never moves, the failure rate of the snubber valve dropped tremendously.
All of the constant pressure valves I've seen were in pumps that were either older than our pickup application p7100 pumps, or were used in non automotive applications.
Quote:
Originally Posted by SmokinCAT
So could it have the same work done to it as any of the other 7100s you are working on?
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Yes sir, it can be modified the same as all other p7100 pumps
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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02-28-2016, 01:24 PM
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#44
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Name: Leiffi
Title: Too Much Time
Status: Not Here
Join Date: Jan 2013
Member`s Gallery
Posts: 1,381
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Quote:
Originally Posted by CTDYoungGun
I have never done a back to back performance comparison between constant pressure valves and standard delivery valves, so I can't answer any differences in performance.
I researched this for a while and never found a direct reason given from Bosch, but in their patent application for the constant pressure valve they did note that a possible negative effect of the snubber valve located in the valve could be premature wear and failure. The basic idea was that by locating the snubber valve in the valve that cycles up and down with every pump stroke, that added motion would cause failure in the snubber by vibrating/ cracking/ deteriorating the snubber assembly.
When they switched the locstion of the snubber valve to the dv holder where it never moves, the failure rate of the snubber valve dropped tremendously.
All of the constant pressure valves I've seen were in pumps that were either older than our pickup application p7100 pumps, or were used in non automotive applications.
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They were used in Euro2 engines, Bosch H pump with electronic fuel and timing control. They had quite high injection pressure for a inline pump.
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02-28-2016, 03:05 PM
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#45
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
Member`s Gallery
Posts: 17,369
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__________________
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02-28-2016, 03:31 PM
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#46
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Name: SmokinCAT
Title: Cheap and Easy.
Status: Not Here
Join Date: Sep 2008
Location: Hillsboro, Oh
Member`s Gallery
Posts: 3,162
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Could you get me a price on a set of 8 upgraded DV's, they do not have to be street friendly whichever option fits that best.
Any 14mm B+P upgrades, feel free to PM if you want.
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07-13-2016, 05:56 PM
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#47
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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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Keeping this open
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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07-14-2016, 06:01 AM
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#48
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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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Shoot, forgot to post back in here after getting my 215 done. Very very happy with how the pump runs and the power bump!
__________________
Jacob, 97 rclb
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07-30-2016, 08:23 AM
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#49
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Name: Shaky93
Title: Too Much Time
Status: Not Here
Join Date: Dec 2015
Location: Western IA
Member`s Gallery
Posts: 321
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Quote:
Originally Posted by CTDYoungGun
Keeping this open
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Just sent you a PM
Sent from my SM-G900V using Tapatalk
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09-21-2016, 12:12 AM
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#50
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Name: 12valve
Title: Diesel Boy
Status: Not Here
Join Date: Aug 2006
Location: mexico
Member`s Gallery
Posts: 576
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I sent you a fb message. Now found this thread with pricing
So I'm subscribing
__________________
96 3500 Dually Manual
Raptor Fuel Pump, 215 pump, no plate, Haisley 5K GSK, modded afc with spring kit, PDD 7mm DVs, Haley 5x.016 injectors, ARP head studs, 60lb valve springs, Southbend clutch.
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11-18-2016, 03:35 PM
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#51
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Name: Dazed&Confused
Title: Surfing my own world
Status: Not Here
Join Date: Jun 2006
Location: Morning View Kentucky
Member`s Gallery
Posts: 2,533
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Have you done any work with the VE pumps yet?
__________________
Big Andy
1983/93 Dodge short bed Cummins toy
2001 Excursion Fummins project.
2004 CTS-V
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11-18-2016, 03:59 PM
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#52
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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 Dazed&Confused
Have you done any work with the VE pumps yet?
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Yes, we have and can work on them. Nothing earth-shaking as far as fuel delivery goes- 240-260cc max out of a 12mm h&r. 1 pumping element for 6 cylinders just can't put out the volume or rpm like 6 for 6 can.
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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11-18-2016, 04:35 PM
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#53
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Name: Got Smoke?
Title: Too Much Time
Status: Not Here
Join Date: Oct 2006
Location: Gallatin,TN
Member`s Gallery
Posts: 4,728
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Quote:
Originally Posted by CTDYoungGun
Yes, we have and can work on them. Nothing earth-shaking as far as fuel delivery goes- 240-260cc max out of a 12mm h&r. 1 pumping element for 6 cylinders just can't put out the volume or rpm like 6 for 6 can.
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Seriously.... .....finally .....Seth
__________________
Mark
2007 2500 Mega 68RFE FirePunk EFI/CSP5 & TCM tuning, Edge CTS II.
1997 2500 Jokerfab cyl head, PDR street cam, FDS benched pump, DFI 5x18's, HX35 63/67, FirePunk 47RE & anteater.
2003 Jetta TDI 5spd "DZL WGN" lot's of mods
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11-19-2016, 06:08 PM
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#54
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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 thought 250cc for a factory rotary was fairly impressive. That's comparing them to a Lucas/cav pump though haha.
Would prices change if it was a 13mm 4 cylinder pump instead of 6?
__________________
’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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11-20-2016, 09:57 PM
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#55
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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
Would prices change if it was a 13mm 4 cylinder pump instead of 6?
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The calibration would be cheaper, but overhaul costs would be the same.
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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11-22-2016, 08:44 AM
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#56
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Name: Dazed&Confused
Title: Surfing my own world
Status: Not Here
Join Date: Jun 2006
Location: Morning View Kentucky
Member`s Gallery
Posts: 2,533
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Quote:
Originally Posted by CTDYoungGun
Yes, we have and can work on them. Nothing earth-shaking as far as fuel delivery goes- 240-260cc max out of a 12mm h&r. 1 pumping element for 6 cylinders just can't put out the volume or rpm like 6 for 6 can.
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What kind of pricing are we talking? My pump is pushing 500k miles a d I'd just like to have it checked out and maxed.
__________________
Big Andy
1983/93 Dodge short bed Cummins toy
2001 Excursion Fummins project.
2004 CTS-V
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03-08-2017, 09:39 PM
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#57
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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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Keeping it open
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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03-27-2017, 11:32 AM
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#58
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Name: BigHemi02
Title: Diesel Enthusiast
Status: Not Here
Join Date: Sep 2011
Member`s Gallery
Posts: 164
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Hey Seth, i got a 12v with an 'unkown' pump, was supposed to be worked, has 5ks, .120 holders, full cuts, dual fed, rack plug, afc cut and worked. Someone said you may not be checkin and maxing pumps? Just rebuilding? Im running this thing clean after a few hundred feet with 5x.022s. Wondering if you could get this thing to 500-550ccs to help meet my power/et goals. I got it 2nd hand with '600cc' of fuel, which I'm doubting cause it cleans my single 75mm
__________________
00 QCSB 12v 47RH 4by4. 00 body, 95 motor/trans, 01 axles, 02 suspension, 98 electronics. Bunch go fast parts ".. She'll Do 10s... maybe"
Last edited by BigHemi02; 03-27-2017 at 11:34 AM.
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03-27-2017, 12:56 PM
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#59
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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 BigHemi02
Hey Seth, i got a 12v with an 'unkown' pump, was supposed to be worked, has 5ks, .120 holders, full cuts, dual fed, rack plug, afc cut and worked. Someone said you may not be checkin and maxing pumps? Just rebuilding? Im running this thing clean after a few hundred feet with 5x.022s. Wondering if you could get this thing to 500-550ccs to help meet my power/et goals. I got it 2nd hand with '600cc' of fuel, which I'm doubting cause it cleans my single 75mm
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You can send it in so we can check it over and let you know what exactly you have. We are no longer max/ balancing pumps without overhauling them.
__________________
Seth Farrell
Farrell Diesel Service
816-205-0757
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03-27-2017, 04:54 PM
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#60
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Name: BigHemi02
Title: Diesel Enthusiast
Status: Not Here
Join Date: Sep 2011
Member`s Gallery
Posts: 164
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Whats an overhaul run? I may have missed that in the pricing? And can you get any pump to push that 550 i need? Thanks!
__________________
00 QCSB 12v 47RH 4by4. 00 body, 95 motor/trans, 01 axles, 02 suspension, 98 electronics. Bunch go fast parts ".. She'll Do 10s... maybe"
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