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Old 12-18-2018, 05:36 PM   #1
Jeremy001995
 
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hard start when cold since pump swap

hi, have change my modded 180 ppump( 4kgsk, 191delivery valve) to a 215 ppump. have put PDD Comp cut delivery valve/rack plug and Peak Diesel 4kgsk in it. with the 180 pump i never had problem to start when cold (under 60*F outside). but with the 215 pump it take forever to start.. grid heater is working great. have try to lower the timing to 16.. little change but not much( was at 21* timing with the 180 pump and it start right up at 5*F not plugged in). if u plug the truck it start right up.. but i can't plug the truck everywhere.. lol

what can cause this?

tanks!
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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
 
Old 12-20-2018, 07:54 PM   #2
954x4cummins

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Was the GSK new or swapped from the 180 pump?
 
Old 12-20-2018, 08:25 PM   #3
RacinDuallie
 
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Was gonna ask if plugged in? It helps.
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Old 12-21-2018, 07:12 AM   #4
zachu812
 
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slide the plate and afc forward and see if it changes, I had a problem with my 215 pump where the afc was too far back so it wasn't getting enough fuel on a cold start without a lot of cranking.
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Old 12-21-2018, 11:51 PM   #5
Flying_Dutchman

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Needs more pre-boost....
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1996, 5X18s, 181s, 66/71/13ss, pump by Seth, 2095, 178/208, ~16*, HTS Auto trans.
 
Old 12-22-2018, 02:50 PM   #6
Jeremy001995
 
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Quote:
Originally Posted by 954x4cummins View Post
Was the GSK new or swapped from the 180 pump?
new GSK
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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
 
Old 12-22-2018, 02:53 PM   #7
Jeremy001995
 
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Quote:
Originally Posted by zachu812 View Post
slide the plate and afc forward and see if it changes, I had a problem with my 215 pump where the afc was too far back so it wasn't getting enough fuel on a cold start without a lot of cranking.
no plate.. afc full foward..pre boost is adjusted good.. there is pro boost smoke.. have try fully turned in(pre boost).. almost no change
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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
 
Old 12-23-2018, 12:07 AM   #8
Flying_Dutchman

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Does it smoke when its cranking but not wanting to start?
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1996, 5X18s, 181s, 66/71/13ss, pump by Seth, 2095, 178/208, ~16*, HTS Auto trans.
 
Old 12-23-2018, 05:46 AM   #9
jasonc

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Try backing off the Gov springs a couple clicks.
 
Old 12-23-2018, 06:00 AM   #10
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Once it’s startwd, what RPM will it idle at?
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Old 12-23-2018, 09:36 AM   #11
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Quote:
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Once it’s startwd, what RPM will it idle at?
around 900
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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
 
Old 12-23-2018, 09:36 AM   #12
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Quote:
Originally Posted by Flying_Dutchman View Post
Does it smoke when its cranking but not wanting to start?
yep
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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
 
Old 12-23-2018, 09:49 AM   #13
95cummins5.9
 
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Did you adjust the governor arm?
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puzzy, tune it.

I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
 
Old 12-25-2018, 01:13 PM   #14
Jeremy001995
 
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Quote:
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Did you adjust the governor arm?
nop.. its at the rear of the pump i think?
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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
 
Old 12-25-2018, 02:01 PM   #15
95cummins5.9
 
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12V Cummins Governor Lever Adjustment
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Quote:
Originally Posted by jfaulkner View Post
puzzy, tune it.

I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
 
Old 12-25-2018, 04:33 PM   #16
Jeremy001995
 
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it is usefull if i gor no plate?
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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
 
Old 12-25-2018, 05:09 PM   #17
95cummins5.9
 
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Can't answer that honestly, I'd stick a plate in it and and adjust the arm and just pull it back out if desired. Worth a shot.
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Quote:
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puzzy, tune it.

I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
 
Old 12-25-2018, 06:47 PM   #18
RacinDuallie
 
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When it's plugged in no issues at all ?
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Old 12-26-2018, 08:05 AM   #19
Jeremy001995
 
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Quote:
Originally Posted by RacinDuallie View Post
When it's plugged in no issues at all ?
nop start right up
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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
 
Old 12-26-2018, 06:10 PM   #20
Yotadzl

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What lift did you set the timing at?
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