Injectors What's the difference? - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 05-17-2007, 09:23 PM Thread Starter
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Injectors What's the difference?

1. What's the difference btwn long lead nozzle and no lead injectors? Pro/Con?

2. Why use single shot vs. split shot?

2003 F-250 FX4 7.3

AFE STAGE II INTAKE
4" TURBO BACK EXHAUST
DP LIVE TUNED
STAGE II DDP SINGLE SHOT INJECTORS
FORGED RODS
ARP HEADSTUDS
TN BB TURBO
ITP REGULATED FUEL SYSTEM
AIR DOG FUEL PREP
6.0 I/C
6.0 TRANS COOLER
HIGH FLOW OUTLET
NON EBPV PEDESTAL
AIH DELETE W/BOOST
DUAL RELEASE VALVE MAP

JOHN WOODS TRANS

DIPRICOL GAUGES
0-60 BOOST
TRANS TEMP
PYRO

AIRLIFT AIRBAGS
315/75/16 COOPERS

402HP/895TQ
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post #2 of 5 Old 05-17-2007, 09:31 PM
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A single shot will actually take less oil to operate. So you can run lower pump pressures, with a bigger injector and get more HP. The other part I am not sure about.

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post #3 of 5 Old 05-17-2007, 09:38 PM Thread Starter
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Quote:
Originally Posted by Logan View Post
A single shot will actually take less oil to operate. So you can run lower pump pressures, with a bigger injector and get more HP. The other part I am not sure about.
Thanks. That explains why you don't need dual hpop with stage 2 single shots

2003 F-250 FX4 7.3

AFE STAGE II INTAKE
4" TURBO BACK EXHAUST
DP LIVE TUNED
STAGE II DDP SINGLE SHOT INJECTORS
FORGED RODS
ARP HEADSTUDS
TN BB TURBO
ITP REGULATED FUEL SYSTEM
AIR DOG FUEL PREP
6.0 I/C
6.0 TRANS COOLER
HIGH FLOW OUTLET
NON EBPV PEDESTAL
AIH DELETE W/BOOST
DUAL RELEASE VALVE MAP

JOHN WOODS TRANS

DIPRICOL GAUGES
0-60 BOOST
TRANS TEMP
PYRO

AIRLIFT AIRBAGS
315/75/16 COOPERS

402HP/895TQ
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post #4 of 5 Old 05-17-2007, 09:40 PM
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Yuppers, I hope someone else can get ya fixed up on the other part. With the single shot, it is just one burst of fuel. With the split shot it breaks it up and I think that is what takes a higher oil pressure. To get that "double pump" effect.

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post #5 of 5 Old 05-17-2007, 09:45 PM
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This is from Mr.House...

long lead is for stock fuel systems where the back cylinder dosent get full fuel flow

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