New nozzles wont "pop" - Dodge Cummins Diesel Forum
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post #1 of 22 (permalink) Old 01-18-2020, 08:30 PM Thread Starter
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New nozzles wont "pop"

Hello,
i purchased a set of nozzles last week from Power Driven Diesel(5X.011 SAC). i installed them on my stock injectors. I can only get 1 to pop, the other 5 just squirt and wont build up pressure. i add shims until they no longer fit and still no pressure. i put my stock nozzles on and they pop every time. Am i doing something wrong? i have a 1990 w250 non intercooled.

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post #2 of 22 (permalink) Old 01-18-2020, 10:29 PM
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Originally Posted by Lantzkg View Post
Hello,
i purchased a set of nozzles last week from Power Driven Diesel(5X.011 SAC). i installed them on my stock injectors. I can only get 1 to pop, the other 5 just squirt and wont build up pressure. i add shims until they no longer fit and still no pressure. i put my stock nozzles on and they pop every time. Am i doing something wrong? i have a 1990 w250 non intercooled.
Pull the nozzles apart and clean them really well with some brake clean, any small spec of dust or dirt can make them not seal. If that doesnít fix it call PDD.
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post #3 of 22 (permalink) Old 01-19-2020, 03:00 AM
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Originally Posted by myother4x4isaCJ7 View Post
Pull the nozzles apart and clean them really well with some brake clean, any small spec of dust or dirt can make them not seal. If that doesnít fix it call PDD.
Dont hesitate to call pdd. Good guys and very helpful.
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post #4 of 22 (permalink) Old 01-19-2020, 07:18 AM
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POP issues aside, I assume you got the correct 155 degree nozzles for your engine.

R12 in the summer, Webasto in the winter; cassette tapes & SAE-20078 all year.
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post #5 of 22 (permalink) Old 01-19-2020, 11:37 AM
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I'm not going to spoon feed you on this ( do some research ) but you can't simply install 7mm nozzles on your old 9mm inj bodies. This is your fault, not PDD's.

98 12v w/G56, 700ccís, my stg5 twins, my cam, my taper cut DV's, my 5x13 inj's, my high volume/pressure lift pump, stg3 head
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post #6 of 22 (permalink) Old 01-19-2020, 11:51 AM
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Ah yes; I missed the fact that he put them on his '90 bodies.

R12 in the summer, Webasto in the winter; cassette tapes & SAE-20078 all year.
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post #7 of 22 (permalink) Old 01-19-2020, 01:57 PM
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I'm not going to spoon feed you on this ( do some research ) but you can't simply install 7mm nozzles on your old 9mm inj bodies. This is your fault, not PDD's.
I guess thatís why your paid the big bucks!!! I missed that one too..... out of curiosity can you purchase the parts needed to make them work or are 9mm sticks junk? I ask because I have a set but donít own a 9mm engine.
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post #8 of 22 (permalink) Old 01-19-2020, 03:17 PM Thread Starter
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Originally Posted by ofelas.5z View Post
POP issues aside, I assume you got the correct 155 degree nozzles for your engine.
No i got the 145
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Originally Posted by Nascar View Post
I'm not going to spoon feed you on this ( do some research ) but you can't simply install 7mm nozzles on your old 9mm inj bodies. This is your fault, not PDD's.
I thought that I just needed to get the 7mm-9mm sleeve adapters.

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I guess thatís why your paid the big bucks!!! I missed that one too..... out of curiosity can you purchase the parts needed to make them work or are 9mm sticks junk? I ask because I have a set but donít own a 9mm engine.
Im curious too....
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post #9 of 22 (permalink) Old 01-19-2020, 08:57 PM
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You'll need the sleeve adapters to install 7mm IC 91.5-93 injectors on non IC 9mm bores.

I'm assuming you already have the adapters?

As far as I know, this is the only way to install the easily available IC injectors on a non IC truck, but 155 degree nozzles are needed for your truck regardless.

Most builders won't touch 9mm bodies, let alone the later IC bodies, as so many are just molested during their removal.

Hope that helps.

R12 in the summer, Webasto in the winter; cassette tapes & SAE-20078 all year.
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post #10 of 22 (permalink) Old 01-19-2020, 10:20 PM
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Most builders won't touch 9mm bodies, let alone the later IC bodies, as so many are just molested during their removal.

Hope that helps.
What builders wonít touch I/c bodies? I understand most wont touch 9mm bodies or only give partial credit because you canít just put new nozzles on them.... you have the problem this guy is experiencing.
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post #11 of 22 (permalink) Old 01-20-2020, 11:08 AM
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Nothing wrong with 9mm bodies/parts, other than the range of 9mm nozzles to rebuild them are very limited. I only have 5x16 nozzles in 9mm, nothing smaller. Yes you can convert 9mm bodies to 7mm but it requires a hand full of parts to do so. I personally can't/won't be bothered dealing with the added cost.

98 12v w/G56, 700ccís, my stg5 twins, my cam, my taper cut DV's, my 5x13 inj's, my high volume/pressure lift pump, stg3 head
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post #12 of 22 (permalink) Old 01-20-2020, 11:58 PM
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Quote:
Originally Posted by Lantzkg View Post
Hello,
i purchased a set of nozzles last week from Power Driven Diesel(5X.011 SAC). i installed them on my stock injectors. I can only get 1 to pop, the other 5 just squirt and wont build up pressure. i add shims until they no longer fit and still no pressure. i put my stock nozzles on and they pop every time. Am i doing something wrong? i have a 1990 w250 non intercooled.
.

I had the same problem I didn't see the 7mm and 9mm injectors option you can buy brass I believe sleeves that you can put on there to make the 7mm injector nozzles on a 89/early 90s truck
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