injector upgrades - Chevy and GMC Duramax Diesel Forum
Performance Upgrades Discuss what Intakes,Exhaust,Fuel System,Programmers,Tuners,&Trans. are right for you.

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post #1 of 14 (permalink) Old 06-25-2008, 12:20 PM Thread Starter
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injector upgrades

im looking to setup my truck with mild upgrades. just wondering if it would be better to replace my stock lb7 injectors with 50hp upgrade injectors. i get more power and hopefully will last longer then the crappy stock injectors. any thoughts welcome. just wonder what everyone thinks. i saw 50hp injectors 8 for 1044+shipping.

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post #2 of 14 (permalink) Old 06-25-2008, 12:38 PM
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what brand were the ones you priced, and the aftermarkets should be beter and will also have warranty
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post #3 of 14 (permalink) Old 06-25-2008, 12:46 PM Thread Starter
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dynomite with a 3yr unlimited mileage warrenty.

eBay Motors: DYNOMITE DIESEL 50HP INJECTORS-01-04 GM DURAMAX (item 120275172753 end time Jun-30-08 15:18:36 PDT)

02' bowtie 2500HD CC SB LB7 ZF 6-speed
autometer cobalt gauges. MTX components front, coaxials rear. recon strobes. cobra 29LTD chrome w/pa spkr. S&B intake. southbend clutch and flywheel. PPE Standard @160hp. juicegrips. 40 gal tank/toolbox combo in bed

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post #4 of 14 (permalink) Old 06-25-2008, 12:51 PM
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good brand if interested in them let me know i can beat that price.

Tyler
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post #5 of 14 (permalink) Old 06-25-2008, 02:14 PM
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is that on the complete Injector or are those just the honed tips?

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post #6 of 14 (permalink) Old 06-25-2008, 02:17 PM
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they are the nozzles
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post #7 of 14 (permalink) Old 06-25-2008, 02:18 PM
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ok thats what i wanted to know..

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post #8 of 14 (permalink) Old 06-25-2008, 04:28 PM Thread Starter
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if one of my old injectorsis goin bad, do i need to replace it before installing the nozzles? or is the nozzle the problem on the lb7's?

02' bowtie 2500HD CC SB LB7 ZF 6-speed
autometer cobalt gauges. MTX components front, coaxials rear. recon strobes. cobra 29LTD chrome w/pa spkr. S&B intake. southbend clutch and flywheel. PPE Standard @160hp. juicegrips. 40 gal tank/toolbox combo in bed

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post #9 of 14 (permalink) Old 06-25-2008, 07:08 PM
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Good question. I'm not sure what part fails either
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post #10 of 14 (permalink) Old 06-26-2008, 08:50 PM
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It can be either, depending. The barrels can gouge and scuff, and on the nozzle the pintle can hang open. Either way, you really need to either A) replace it, or at the minimum B) send them to industrial injection or another injection shop that has a Common Rail test bench. These things are expensive and very accurate. It may cost a few bucks, but they may be repairable, or junk. Either way, just changing nozzles is not the answer if they are going bad.

Dynomite has some very nice nozzles. So does industrial. Dynomite is a little more affordable.

Jason
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