injectors vs nozzles - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 16 (permalink) Old 04-12-2010, 10:44 PM Thread Starter
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injectors vs nozzles

hey i was wondering what the advantage new injectors have over just the nozzles. i imagine once a certain hp is reached, a new injector is recommended. i want to go 100-120 hp over, should i get new nozzles or whole new injectors?
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post #2 of 16 (permalink) Old 04-12-2010, 11:57 PM
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whole injector from a quality company. no jammers. I like ddp and mach

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 #3 of 16 (permalink) Old 04-13-2010, 12:53 AM
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Injectors arend't that horribly spendy. Just go full body and then you don't have to screw with the pop off's and stuff.

'99 2500 4X4 5spd 104K miles Ext Cab, longbed, Banks exhaust, Exhaust Brake, BHAF, comp, Raptor 150, gauges, 100 hp sticks.

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post #4 of 16 (permalink) Old 04-16-2010, 07:29 PM
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ive got 100hp BD nozzels in mine never had them popped and work great

2001 CC LB 2500 48RE with TQlockup CAI, 5"TBE,Quadzilla Adrenaline with V2,and BD pulse XXX 100hp stix, phatshaft 66mm .leveled on 305/70/16's
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post #5 of 16 (permalink) Old 04-19-2010, 02:13 PM
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Like I found out putting new nozzles on a wore body is asking for troubles anyways... Like the others here said go with full body injectors you'll have better results...

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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post #6 of 16 (permalink) Old 04-20-2010, 03:07 PM
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Quote:
Originally Posted by Mopar1973Man View Post
Like I found out putting new nozzles on a wore body is asking for troubles anyways...
I love this comment. F1 and DDP both require cores, what do you think they do with them? There is no issue using a core body, especially in a 24v application.
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post #7 of 16 (permalink) Old 04-20-2010, 04:10 PM
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Quote:
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I love this comment. F1 and DDP both require cores, what do you think they do with them? There is no issue using a core body, especially in a 24v application.
There is a slight difference...

In your own garage you don't have the means to verify the body is in good shape or condition when F1 & DDP have the tools and the ability to test the bodies to make sure there serviceable... If not DDP or F1 replace the wore or damaged parts... Where Common Joe in his garage doesn't have a clue...

What do you think most of all VP44 are? (Remanufactured...)

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post #8 of 16 (permalink) Old 04-20-2010, 05:01 PM
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What parts of the injector need to be serviced or replaced? Tools or means to test the injector body?
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post #9 of 16 (permalink) Old 04-20-2010, 05:58 PM
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Like a guy showed my in a Injection shop in Lewiston, ID there is several pieces to the injector including the needle, shims, spring, etc...

So like if you needle is wore and put a new nozzle against it... It might leak, mis-fire, etc... Then the nozzle might be a bit different and require pop-testing/matching...

Like I got a set of RV275 in my truck now that mis randomly... Because there just wore out basically... I asked him if I could just replace the nozzles and come to find out when he tore a wore injector apart in front of me and showed me the wore out parts then I knew there is no way to just put nozzles on to fix the problem.

But in the same sense you can't put fresh nozzle against a wore needle and expect it to not leak or pop correctly...

It's nice when a injection shop puts on a mini-class and teaches you why certain things work or don't work...

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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post #10 of 16 (permalink) Old 04-20-2010, 08:01 PM
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What you are saying makes no sense. Nozzles/pintles are a matched set, when you replace the nozzle both pieces are new. The only part that I have replaced in the last 40-50 sets are sleeve nuts if they split. And yes, I build injectors 5-7 days a week. I have also exchanged pintles in used nozzles to make them "pop" correctly, often removing the carbon from the tip and lapping them does the trick.
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