fuel milage and power trouble - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 13 (permalink) Old 01-21-2009, 09:04 PM Thread Starter
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Exclamation fuel milage and power trouble

my dad has a 01 cummins turbo diesel exten. cab long bed. its got 104,000 on it hes got stage 2 injectors,bigger injector lines,600 and some horsepower pump also has a BD power plug and play chip and i was wonderin how much fuel milage he is gettin? when you drive out the road it just doesnt feel like it has power it feels like the stock injection had more power and which the pump is also drinks alot too so far i know the timmin is still stock but does anyone have a idea what the timmin shud be on? just holler back

97' Cummins 2500 Gauges from glowshift (EGT, boost) Fuel pressure gauge from auto-meter. Stage 2 airbox, boost elbow, barrels & plungers turned.Custom fuel plate,Airdog 150gph.AFC mods & 3K GSK.SDX injectors (stage 3 140hp).Drilled wastegate.Converted to a NV4500 with a double disc. Being restored from the ground up


01' Cummins 2500 (dads) with a Hotrod pump,100hp injectors, Fass 150, Edge juice with attitude,also plug and power chip,stage 2 ice box,4 1/2 exgaust pipe,HX40

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post #2 of 13 (permalink) Old 01-21-2009, 11:32 PM
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With a Hot Rod VP44 he took it way down. I've heard that if you run the Hot Rod pump with too small injectors you feel a loss in power, same with the oversize injector lines. The chip would add timing, but with everything you mentioned he's not getting that great of mileage. You will just have to find out for yourself. Timing on a VP44 is adjusted by the computer anywhere from 0 to 30.

Logan
1995 12 valve Cummins 6.0L, Air Dog 150, no fuel plate, AFC tuning, 024 DV's, 4K GSK, 18* timing, SDX 5x.014 injectors, Hamilton 181/210 cam and HD pushrods, Stage 2 Port job, 5 angle valve job, 60lb valve springs, ARP studs, O-ringed head, .020" over head gasket, coated pistons, balanced bottom end, Fluidampr, PDI exhaust manifold, homemade intake manifold, HE351cw Common Rail turbo and 50mm wastegate.
Drive Train: 13" Valair clutch [email protected], 5 speed, 4x4, 3.55 diffs, on 285/75 R16s

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post #3 of 13 (permalink) Old 01-22-2009, 12:17 AM Thread Starter
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the day i graduated high school
it aint a hott rod pump its a re-man pump and he got it from the diesel store out west and i forgot he also has a fass system at 150 and also would you say to turn up the fuel and sees what happens?

97' Cummins 2500 Gauges from glowshift (EGT, boost) Fuel pressure gauge from auto-meter. Stage 2 airbox, boost elbow, barrels & plungers turned.Custom fuel plate,Airdog 150gph.AFC mods & 3K GSK.SDX injectors (stage 3 140hp).Drilled wastegate.Converted to a NV4500 with a double disc. Being restored from the ground up


01' Cummins 2500 (dads) with a Hotrod pump,100hp injectors, Fass 150, Edge juice with attitude,also plug and power chip,stage 2 ice box,4 1/2 exgaust pipe,HX40

Riding Dirty #60
B.O.M.B Squad #79
Singles Club #260
Special thanks too


http://www.southerndieselx.com/
xtremediesel.com
dieselperformance.com
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post #4 of 13 (permalink) Old 01-22-2009, 12:20 AM
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I was just wonderin where the "600 and some horsepower pump" came in at. Generally the more fuel you put in the less mileage you get out.

Logan
1995 12 valve Cummins 6.0L, Air Dog 150, no fuel plate, AFC tuning, 024 DV's, 4K GSK, 18* timing, SDX 5x.014 injectors, Hamilton 181/210 cam and HD pushrods, Stage 2 Port job, 5 angle valve job, 60lb valve springs, ARP studs, O-ringed head, .020" over head gasket, coated pistons, balanced bottom end, Fluidampr, PDI exhaust manifold, homemade intake manifold, HE351cw Common Rail turbo and 50mm wastegate.
Drive Train: 13" Valair clutch [email protected], 5 speed, 4x4, 3.55 diffs, on 285/75 R16s

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post #5 of 13 (permalink) Old 01-22-2009, 12:27 AM Thread Starter
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the day i graduated high school
ya well dad told me i was just sayin what he said soo bascally if you did get bigger lines and injector yourll have to get a bigger pump right? to get decend milage and power?

97' Cummins 2500 Gauges from glowshift (EGT, boost) Fuel pressure gauge from auto-meter. Stage 2 airbox, boost elbow, barrels & plungers turned.Custom fuel plate,Airdog 150gph.AFC mods & 3K GSK.SDX injectors (stage 3 140hp).Drilled wastegate.Converted to a NV4500 with a double disc. Being restored from the ground up


01' Cummins 2500 (dads) with a Hotrod pump,100hp injectors, Fass 150, Edge juice with attitude,also plug and power chip,stage 2 ice box,4 1/2 exgaust pipe,HX40

Riding Dirty #60
B.O.M.B Squad #79
Singles Club #260
Special thanks too


http://www.southerndieselx.com/
xtremediesel.com
dieselperformance.com
cptrucks.com
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post #6 of 13 (permalink) Old 01-22-2009, 01:16 AM
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If I were upgrading as far as fuel, I would go chip, injectors, lift pump, injection pump, injector lines. Lines really don't make that big of difference without a monster pump. You will starve a monster pump without a lift pump. Injectors on their own won't help, because the ECM isn't programmed to deliver more fuel without a chip. If I was going for mileage, I would put on a higher pressure lift pump and a chip, that's it and keep my foot out of it. Keep your EGT's under 600 and boost under 5 psi with 3.55 diffs you will see 20 or more mpg. If you add power you will take away mileage, there's no ifs ands or buts about it.

Logan
1995 12 valve Cummins 6.0L, Air Dog 150, no fuel plate, AFC tuning, 024 DV's, 4K GSK, 18* timing, SDX 5x.014 injectors, Hamilton 181/210 cam and HD pushrods, Stage 2 Port job, 5 angle valve job, 60lb valve springs, ARP studs, O-ringed head, .020" over head gasket, coated pistons, balanced bottom end, Fluidampr, PDI exhaust manifold, homemade intake manifold, HE351cw Common Rail turbo and 50mm wastegate.
Drive Train: 13" Valair clutch [email protected], 5 speed, 4x4, 3.55 diffs, on 285/75 R16s

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post #7 of 13 (permalink) Old 01-22-2009, 02:47 AM
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you will still see power gain from bigger injectors without a programmer. What chip is he running? Who's injectors? Who did the pump?

01 quad cab 4x4, edge drag comp, 4" exhaust, fass 150, 250 ddps, Jefferson State compounds 683hp so vp 11.91. AMSOIL front to rear. now back to stock 95 fummins in the works
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post #8 of 13 (permalink) Old 01-22-2009, 03:44 AM
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The more specific you can be the more help we can be.

Logan
1995 12 valve Cummins 6.0L, Air Dog 150, no fuel plate, AFC tuning, 024 DV's, 4K GSK, 18* timing, SDX 5x.014 injectors, Hamilton 181/210 cam and HD pushrods, Stage 2 Port job, 5 angle valve job, 60lb valve springs, ARP studs, O-ringed head, .020" over head gasket, coated pistons, balanced bottom end, Fluidampr, PDI exhaust manifold, homemade intake manifold, HE351cw Common Rail turbo and 50mm wastegate.
Drive Train: 13" Valair clutch [email protected], 5 speed, 4x4, 3.55 diffs, on 285/75 R16s

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post #9 of 13 (permalink) Old 01-22-2009, 07:14 PM Thread Starter
Let it rip tator chip!
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the day i graduated high school
well the pump it came out west its a manractuor pump bc the pump is black is and the chip is a BD power plug and play and the injectors are stage 2 from BD and there wasnt no bigger lines they are stock lines

97' Cummins 2500 Gauges from glowshift (EGT, boost) Fuel pressure gauge from auto-meter. Stage 2 airbox, boost elbow, barrels & plungers turned.Custom fuel plate,Airdog 150gph.AFC mods & 3K GSK.SDX injectors (stage 3 140hp).Drilled wastegate.Converted to a NV4500 with a double disc. Being restored from the ground up


01' Cummins 2500 (dads) with a Hotrod pump,100hp injectors, Fass 150, Edge juice with attitude,also plug and power chip,stage 2 ice box,4 1/2 exgaust pipe,HX40

Riding Dirty #60
B.O.M.B Squad #79
Singles Club #260
Special thanks too


http://www.southerndieselx.com/
xtremediesel.com
dieselperformance.com
cptrucks.com
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post #10 of 13 (permalink) Old 01-23-2009, 02:48 AM
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I don't see any bd plug and plays for the 2nd gens so is it an edge with bd stickers on it?

01 quad cab 4x4, edge drag comp, 4" exhaust, fass 150, 250 ddps, Jefferson State compounds 683hp so vp 11.91. AMSOIL front to rear. now back to stock 95 fummins in the works
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