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Old 04-08-2006, 02:30 AM   #1 (permalink)
CanadianRigger
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Feeding the Beast, Part II, Thanks Turbine Doc!

This is a spin off of TD's thread "Feeding the Beast" https://www.dieselplace.com/forum/sho...ding+the+beast

I've not put thought of my own into this until TD mentioned it in his earlier thread, so being I appear to be the only one running a 92mm IP i thought it fair to feed it properly too.

I approached this pretty much the same as TD outlined with his thread with just a couple of small changes but we're both feeding the beast with 1/4" fuel supply rather than 1/8". I will be adding more fittings, adapters & fuel gauges in the near future. Here's a few pics of what i've done. The main differences is the outlet on the filter housing and the inlet on the IP itself. Sorry if i've missed a few important pics but i kinda forgot to snap some shots when i got busy doing stuff.

Some idiot ran into the garage while i was having supper and started to have fun with some green paint while i was away, oh well i guess it'll have to stay now.

Attached Images
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__________________
2000 Chev LS L-65 HO 2500HD 4X4 SB
+92^mm OBDI 5068 IP , 8 sleeves bored 40 over, 18:-?, scat crank, splayed mains, new mystery cam, copper gaskets, Studs, ported, Hi-Pops, Cumins LP, FTB..., PANE, most likely? 6" Pro-Comp Lift, 33" Treads

1996 GMC 4x4 SB "S" - GM-8, 3"DP, 3.5" w/4"stacks, Gutted Plenum, EGR Block Off, Boost/Pyro, Air Bags. 59mm^


94 1500 Z-71 SB 4x4, 5.9L 12V Cummins, 40HP Injectors, 14CC Turbo, NV4500 w/Gear Vendor, Air Bags, Gauges, 4" Exh, Digi-Boost Propane (stolen?), Dual Flexilite Fans, 3" Body Lift, IC up front.
628 ft/lbs TQ, 271 RWHP... for sale!

94 Blazer Sport - Westers Performance Chip for sale in the market place!

Last edited by Turbine Doc; 04-08-2006 at 12:08 PM.
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Old 04-08-2006, 02:33 AM   #2 (permalink)
CanadianRigger
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File Type: jpg injectionpump 015a.jpg (110.4 KB, 1567 views)
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__________________
2000 Chev LS L-65 HO 2500HD 4X4 SB
+92^mm OBDI 5068 IP , 8 sleeves bored 40 over, 18:-?, scat crank, splayed mains, new mystery cam, copper gaskets, Studs, ported, Hi-Pops, Cumins LP, FTB..., PANE, most likely? 6" Pro-Comp Lift, 33" Treads

1996 GMC 4x4 SB "S" - GM-8, 3"DP, 3.5" w/4"stacks, Gutted Plenum, EGR Block Off, Boost/Pyro, Air Bags. 59mm^


94 1500 Z-71 SB 4x4, 5.9L 12V Cummins, 40HP Injectors, 14CC Turbo, NV4500 w/Gear Vendor, Air Bags, Gauges, 4" Exh, Digi-Boost Propane (stolen?), Dual Flexilite Fans, 3" Body Lift, IC up front.
628 ft/lbs TQ, 271 RWHP... for sale!

94 Blazer Sport - Westers Performance Chip for sale in the market place!
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Old 04-08-2006, 03:28 AM   #3 (permalink)
Programmer
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Please....no green paint. LOL...

I've been wondering about a better lift pump for you...

Lyndon

Westers Garage
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Old 04-08-2006, 11:13 AM   #4 (permalink)
CanadianRigger
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Yes i've been wondering about what i'm gonna do down there myself, with the 6" lift i now have room to do pretty much anything.

I'll be hooking up a gauge today and see what i get for fuel pressures.
__________________
2000 Chev LS L-65 HO 2500HD 4X4 SB
+92^mm OBDI 5068 IP , 8 sleeves bored 40 over, 18:-?, scat crank, splayed mains, new mystery cam, copper gaskets, Studs, ported, Hi-Pops, Cumins LP, FTB..., PANE, most likely? 6" Pro-Comp Lift, 33" Treads

1996 GMC 4x4 SB "S" - GM-8, 3"DP, 3.5" w/4"stacks, Gutted Plenum, EGR Block Off, Boost/Pyro, Air Bags. 59mm^


94 1500 Z-71 SB 4x4, 5.9L 12V Cummins, 40HP Injectors, 14CC Turbo, NV4500 w/Gear Vendor, Air Bags, Gauges, 4" Exh, Digi-Boost Propane (stolen?), Dual Flexilite Fans, 3" Body Lift, IC up front.
628 ft/lbs TQ, 271 RWHP... for sale!

94 Blazer Sport - Westers Performance Chip for sale in the market place!
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Old 04-08-2006, 12:01 PM   #5 (permalink)
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Good work CR, Heath sells a direct replacement HO pump no plumbing changes from OEM, also been looking at Kennedy's HO kit with new power relay, whatever repacement you decide to go with it needs to be a flow on fail design; that will allow IP to pull even if pump isn't running.

Or run the OEM in parallel with the replacement, if running 2 different capacity pumps in parallel you'll want a check valve to keep the HO pump from back flowing thru the low output one. I'm thinking for the Cummins one I'll get one of those pressure switches Dan Hunter found to control the 2nd pump to come on automatically at low lift supply to the IP say 4psi, with a manual on when towing heavy.

CR No casting flaws in mine, I had mine machined for straight thread A/N fitting vs pipe thread
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Old 04-08-2006, 12:45 PM   #6 (permalink)
CanadianRigger
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I was going to put the same barbed fitting in mine until i discovered i didn't have a 1/4" NPT to thread the hole. Thats when i also discovered that the 1/8" NPT brass pipe nipple i had on hand had the same ID as the barbed fittings so i tapped that instead as the 3/8" fuel line fits it perfect and no need for a barb fitting with those low pressures.

The fitting i put in the IP was just picked up at the hardware store, same as original IP fitting on the bottom and even has the O-ring seal on it and has a 1/4" NPT hydraulic fitting on the other end with swivel, just needed to be drilled out. I should have taken pics with them laying sideways, i'll grab a shot in the truck and post it.
__________________
2000 Chev LS L-65 HO 2500HD 4X4 SB
+92^mm OBDI 5068 IP , 8 sleeves bored 40 over, 18:-?, scat crank, splayed mains, new mystery cam, copper gaskets, Studs, ported, Hi-Pops, Cumins LP, FTB..., PANE, most likely? 6" Pro-Comp Lift, 33" Treads

1996 GMC 4x4 SB "S" - GM-8, 3"DP, 3.5" w/4"stacks, Gutted Plenum, EGR Block Off, Boost/Pyro, Air Bags. 59mm^


94 1500 Z-71 SB 4x4, 5.9L 12V Cummins, 40HP Injectors, 14CC Turbo, NV4500 w/Gear Vendor, Air Bags, Gauges, 4" Exh, Digi-Boost Propane (stolen?), Dual Flexilite Fans, 3" Body Lift, IC up front.
628 ft/lbs TQ, 271 RWHP... for sale!

94 Blazer Sport - Westers Performance Chip for sale in the market place!
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Old 04-08-2006, 01:32 PM   #7 (permalink)
CanadianRigger
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File Type: jpg injectionpump 024a.jpg (70.3 KB, 1533 views)
File Type: jpg injectionpump 026a.jpg (84.7 KB, 1758 views)
__________________
2000 Chev LS L-65 HO 2500HD 4X4 SB
+92^mm OBDI 5068 IP , 8 sleeves bored 40 over, 18:-?, scat crank, splayed mains, new mystery cam, copper gaskets, Studs, ported, Hi-Pops, Cumins LP, FTB..., PANE, most likely? 6" Pro-Comp Lift, 33" Treads

1996 GMC 4x4 SB "S" - GM-8, 3"DP, 3.5" w/4"stacks, Gutted Plenum, EGR Block Off, Boost/Pyro, Air Bags. 59mm^


94 1500 Z-71 SB 4x4, 5.9L 12V Cummins, 40HP Injectors, 14CC Turbo, NV4500 w/Gear Vendor, Air Bags, Gauges, 4" Exh, Digi-Boost Propane (stolen?), Dual Flexilite Fans, 3" Body Lift, IC up front.
628 ft/lbs TQ, 271 RWHP... for sale!

94 Blazer Sport - Westers Performance Chip for sale in the market place!
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Old 04-08-2006, 08:38 PM   #8 (permalink)
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Quote:
Originally Posted by Turbine Doc View Post
Good work CR, Heath sells a direct replacement HO pump no plumbing changes from OEM, also been looking at Kennedy's HO kit with new power relay, whatever repacement you decide to go with it needs to be a flow on fail design; that will allow IP to pull even if pump isn't running.
TD,

Would you happen to have the specs of the Heath or Kennedy pump off hand?
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Old 04-08-2006, 08:46 PM   #9 (permalink)
CanadianRigger
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Just got back from some testing, it would appear i need some more volume to my IP.

I had my gauge plumbed in between the filter and IP on the line that feeds the IP, here's some results. OEM Fuel filter isn't new but its not got more than 3k on it at this point.

Idle = 3.5 - 4 PSI
WOT = 0 - 1 PSI

Black smoke? Yup got lotsa that stuff!

TD what are the flow comparisons on JK's or Heaths pumps to OEM? Looks like i'm in the market for some more volume and maybe a few more PSI too!
__________________
2000 Chev LS L-65 HO 2500HD 4X4 SB
+92^mm OBDI 5068 IP , 8 sleeves bored 40 over, 18:-?, scat crank, splayed mains, new mystery cam, copper gaskets, Studs, ported, Hi-Pops, Cumins LP, FTB..., PANE, most likely? 6" Pro-Comp Lift, 33" Treads

1996 GMC 4x4 SB "S" - GM-8, 3"DP, 3.5" w/4"stacks, Gutted Plenum, EGR Block Off, Boost/Pyro, Air Bags. 59mm^


94 1500 Z-71 SB 4x4, 5.9L 12V Cummins, 40HP Injectors, 14CC Turbo, NV4500 w/Gear Vendor, Air Bags, Gauges, 4" Exh, Digi-Boost Propane (stolen?), Dual Flexilite Fans, 3" Body Lift, IC up front.
628 ft/lbs TQ, 271 RWHP... for sale!

94 Blazer Sport - Westers Performance Chip for sale in the market place!
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Old 04-08-2006, 11:38 PM   #10 (permalink)
dieseldummy
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Quote:
Originally Posted by CanadianRigger View Post

Idle = 3.5 - 4 PSI
WOT = 0 - 1 PSI
Mine would idle at 7 and drop to 0 under accelleration. This is why I plumbed to OEM pumps in paralell. Now the idle PSI is still 7-8, but never falls under 2-4 under hard aceleration and towing conditions. If I were to upgrade the lines to and from the pumps I think things would be even better.

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