Duramax Diesels Forum Truck of the Week
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Old 10-28-2017, 07:33 AM
gmac32 gmac32 is offline
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Default Lml injectors in a lly head

Could or would lml injectors fit in a lly head. I think the lml bodys are smaller in diameter but would they fit in a lly head. The reason i am asking is i have a built lly motor with ported heads and valve train upgrades. It would be nice to put that engine in my lml. I know all the other stuff i have to do. That is not a big deal
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Old 10-28-2017, 07:52 AM
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Only way it would work would be too bolt the lml heads onto your built short block. Lml's are piezo injectors.
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Old 10-28-2017, 03:24 PM
gmac32 gmac32 is offline
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That i know would work. I just wondered if those injectors could possibly be make to work in my lly heads
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Old 10-28-2017, 06:20 PM
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No.
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Old 11-01-2017, 05:36 AM
gmac32 gmac32 is offline
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Yeah they work. I tried them. Thicker oring to keep the inkectors centered in the bore. They work just fine
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Old 11-01-2017, 06:09 AM
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Did the rails bolt up ok? Lines fit ok? Very interesting and good info!


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Old 11-01-2017, 07:56 AM
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Quote:
Originally Posted by gmac32 View Post
Yeah they work. I tried them. Thicker oring to keep the inkectors centered in the bore. They work just fine
more info please!
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Old 11-01-2017, 09:32 AM
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Just dumb me thinking. But because it has a larger oring holding it center and isn't centered on the body itself (assuming) how is it ever going to stay in place?
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Old 11-01-2017, 12:45 PM
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Quote:
Originally Posted by clrussell View Post
Just dumb me thinking. But because it has a larger oring holding it center and isn't centered on the body itself (assuming) how is it ever going to stay in place?
The o ring on the injector is only there to seal out debris. You could run without them in a pinch.
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Old 11-02-2017, 02:17 PM
gmac32 gmac32 is offline
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I will update when i start assembling everything
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Old 11-13-2017, 07:55 PM
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I will update when i start assembling everything
Any updates on this?
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Old 12-09-2017, 03:07 PM
gmac32 gmac32 is offline
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about another week
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Old 03-11-2018, 03:11 PM
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Finally got to work on my truck and engine. The lml injectors fit perfect with lly heads. You just run the lml lower valve cover and the upper valve cover. The orings i used were 15.8 id and 20.6 od and they held the injector nice and snug.
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Old 03-11-2018, 03:39 PM
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We learned something new today that way help alot of people in that same situation , thanks for letting us know !
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Old 03-11-2018, 04:00 PM
gmac32 gmac32 is offline
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No problem. I thought is was pretty cool that they fit that well
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