Duramax Diesels Forum Truck of the Week
  #16  
Old 09-13-2012, 11:29 PM
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The truck is driving and I am breaking in the motor, no sign of buzzing. One of many things that would probably affect this is oil type and viscosity. I run cenpeco 20 w-50
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  #17  
Old 09-14-2012, 03:24 AM
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Quote:
Originally Posted by juddski88 View Post
The truck is driving and I am breaking in the motor, no sign of buzzing.
Always a good sign

And I know what you mean. Someone tells you all you have to do is X in order to get a little benefit (and you figure why not, every little bit helps), then you find out it's not so easy but yet you are already half way into it and want to finish it on principle. Thanks for the heads up though, you'll same some people a lot of aggravation.
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  #18  
Old 09-14-2012, 05:40 AM
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It really would of been a simple swap over if we had the parts mentioned above. I wouldnt hesitate to do it the next time my motor needs to be rebuilt. Even though it was time consuming we were able to come up with solutions to all the issues we ran into to get it together properly.
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  #19  
Old 09-14-2012, 10:24 AM
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how much $ did you have involved in all those parts? sounds like a socal hi pres pump wouldve been a lot easier..
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  #20  
Old 09-14-2012, 10:53 AM
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Honestly I don't see any advantage to using the LML over an LBZ/LMM/LLY pump unless you are going with dual piston squirters in which case more oil flow would be advantageous and required.
But to each his own. It likely won't hurt anything except maybe your pocket book to do it.
Thanks for the info on parts needed!!
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  #21  
Old 09-14-2012, 10:55 AM
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X2 to the last two posts, seems like a lot of time and money for 11%..
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  #22  
Old 09-14-2012, 11:08 AM
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I'm sure Tim didn't do it for the hell of it guys. Since nobody has been doing it and providing info for the rest of us let him do the leg work and provide us with info that could possibly be helpful. At least be supportive of his efforts that just might turn out to be a good thing.

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  #23  
Old 09-14-2012, 11:15 AM
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I would be interested in hearing the cost of this vs the billet oil pumps from SoCal and DPR.
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  #24  
Old 09-14-2012, 11:25 AM
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Quote:
Originally Posted by S Phinney View Post
I'm sure Tim didn't do it for the hell of it guys. Since nobody has been doing it and providing info for the rest of us let him do the leg work and provide us with info that could possibly be helpful. At least be supportive of his efforts that just might turn out to be a good thing.

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Nothing wrong with trying new stuff. Kudos to anyone wanting to do something different.

But for 11% which likely will only amount to a couple more l/min of oil flow and to replace a pump that has been proven to hold up fine with one that currently has issues which GM doesn't even know how to fix yet just seems like a questionable venture to me is all.

Again, thanks for the info and doing the legwork! Who knows, maybe the extra 11% will be the next biggest thing to improve our engines!
It's just MO that it's money better spent elsewhere. Not negative feedback, just putting things in perspective is all.
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  #25  
Old 09-14-2012, 11:49 AM
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Quote:
Originally Posted by quadracer37 View Post
how much $ did you have involved in all those parts? sounds like a socal hi pres pump wouldve been a lot easier..

I opened up my oil squirters, shimmed my pump, and sang cum-bya. Lol. My opinion is that the old style pumps arent built for additional flow needs and are rather rrstrictive when compared side to side with an lml pump. GM doesnt make them to make the motor more expensive....I wouldve had MAYBE $400 into it all had I bought the lml oil drive gear and tray. The parts are almost half the price of buying old style parts brand new.
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  #26  
Old 09-14-2012, 11:52 AM
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Quote:
Originally Posted by LBZ View Post
Nothing wrong with trying new stuff. Kudos to anyone wanting to do something different.

But for 11% which likely will only amount to a couple more l/min of oil flow and to replace a pump that has been proven to hold up fine with one that currently has issues which GM doesn't even know how to fix yet just seems like a questionable venture to me is all.

Again, thanks for the info and doing the legwork! Who knows, maybe the extra 11% will be the next biggest thing to improve our engines!
It's just MO that it's money better spent elsewhere. Not negative feedback, just putting things in perspective is all.
Flow in the upper rpm where I like to play is crucial. Hence all my new modifications. Socal off the shelf parts don't cut it...
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  #27  
Old 09-14-2012, 01:32 PM
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400 bones isn't bad... I would spend 400 for 11%.

Tim do you have any pics comparing the Old pump with a LML?
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  #28  
Old 09-14-2012, 01:46 PM
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yeah $400 isn't too bad I guess, but how much work is it? I'm not being negative in any way, just asking questions..it would have to be an EASY weekend project for me to justify it..
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  #29  
Old 09-14-2012, 03:11 PM
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Quote:
Originally Posted by juddski88 View Post
I opened up my oil squirters, shimmed my pump, and sang cum-bya. Lol. My opinion is that the old style pumps arent built for additional flow needs and are rather rrstrictive when compared side to side with an lml pump. GM doesnt make them to make the motor more expensive....I wouldve had MAYBE $400 into it all had I bought the lml oil drive gear and tray. The parts are almost half the price of buying old style parts brand new.
Hmmnnnn opening the oil squirters. Good idea!! I can see why you would want the higher flow then as you would likely need it to maintain oil pressure.
Care to share how much larger you made the openings?
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  #30  
Old 09-14-2012, 03:53 PM
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Quote:
Originally Posted by kivetts04dmax View Post
yeah $400 isn't too bad I guess, but how much work is it? I'm not being negative in any way, just asking questions..it would have to be an EASY weekend project for me to justify it..
it requires removal of upper oil pan so that means pulling trans and flexplate to get to the rear cover bolts that go into the pan.
Would be a mod you'd want to do during an engine build most likely
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