Duramax Diesels Forum Truck of the Week
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Old 09-06-2018, 05:44 PM
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Default Building a stock turbo puller, need help/opinions

Alright guys, i am in the process of doing some research on building the engine in my dually for the stock turbo class. I would really like to hear some of your opinions on what you guys would do to make the most power out of a stock charger. I was thinking delipped pistons, stock rods, and a cam of some sorts for the bottom end. But I'm not opposed to upgraded parts in the bottom end. Who all sells rebuild kits? How important is it to have everything balanced and does the machine shop have to have the bottom end together to balance it? Any help is appreciated.
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Old 09-06-2018, 08:48 PM
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A legit stock turbo, or stock appearing? I'd probably buy rods.

If you're doing the main assembly, machine shop will need everything in the rotating assembly to balance it. There are a few here that have ran different rods and not rebalanced,.with no failures, but the risk is up to you.
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Old 09-07-2018, 05:15 AM
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If it was me, and I’m cheap, delipped lb7 pistons, lbz rods, some sort of stage 1 AF cam. With Jesse pushing his ZF LLY over 700 horses on stock bottom end, I don’t think there’d be any issues.
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Old 09-07-2018, 05:26 AM
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If you're going to have the rotating assembly apart, it'd be pretty dumb to not throw a set of rods in it. Unless you on tight budget.... Wagler's as forged rods come to mind....

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Old 09-07-2018, 05:46 AM
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I think you should have everything balanced as well. I balance every engine i build to try keep unwanted vibration and harmonics to a minimum
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Old 09-07-2018, 06:03 AM
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balancing is not an option, it's a requirement, if you're changing any of the parts or the weight of any of the parts in example delipping the Pistons

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Old 09-07-2018, 06:26 AM
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Guys on here really have tossed some rods in an engine and went to the pulls.??
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Old 09-07-2018, 06:44 AM
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If you go back through some of the old build threads it’s pretty crazy what some guys got away with! I remember reading Trent’s build thread where he used a router to de-lip his pistons in the truck
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Old 09-09-2018, 04:40 PM
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it will be a true stock charger. this is kind of a budget build, but I have money to throw at it if I want to. I was considering wagler or lbz rods. what are you guys using to pin the crank and cam? I assume the crank gear and damper get pinned? something like a socal 3388 cam sound about right?
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2004 chevy lly with a handshaker





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My trucks not a whore...she doesn't lift her skirt for just anyone!

Originally Posted by coker6303
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Old 09-09-2018, 04:44 PM
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Quote:
Originally Posted by ikeG View Post
balancing is not an option, it's a requirement, if you're changing any of the parts or the weight of any of the parts in example delipping the Pistons

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this is why I am asking silly questions. ive rebuilt a lot of diesel engines and never had to have anything balanced. but it is always factory parts going back into it.
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My trucks not a whore...she doesn't lift her skirt for just anyone!

Originally Posted by coker6303
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Old 09-09-2018, 05:12 PM
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Quote:
Originally Posted by dirty_max View Post
this is why I am asking silly questions. ive rebuilt a lot of diesel engines and never had to have anything balanced. but it is always factory parts going back into it.
None of the factory stuff is balanced and is typically pretty far off. That is why I balance everything.
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Old 09-09-2018, 06:01 PM
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Quote:
Originally Posted by gmac32 View Post
None of the factory stuff is balanced and is typically pretty far off. That is why I balance everything.
I assume you are talking about gm or light duty engines in general?
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2004 chevy lly with a handshaker





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My trucks not a whore...she doesn't lift her skirt for just anyone!

Originally Posted by coker6303
But she is a prostitute...she will do anything for money
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Old 09-10-2018, 04:20 PM
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If you’re running a true stock turbo then just run a stock bottom end. It’ll hold
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Old 09-10-2018, 05:32 PM
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Quote:
Originally Posted by clrussell View Post
If youíre running a true stock turbo then just run a stock bottom end. Itíll hold
I figured a stock bottom end would hold but was somewhat curious if there is anything I could do in the bottom end that would potentially increase power.i know a stock charger is only going to do so much but if there is anything that I can do in the bottom end to help I would like to do it since im rebuilding anyhow. stock turbo and workstock in my area are very competitive and have a lot of strong running trucks in both classes. anything I can do to the engine during rebuild that can give me any advantage I would like to do. from some of the research that I have done really the only thing that can help is pistons and a cam. but im not really sure how much that will even help with a stock charger. also, do you guys see any issue with running egr heads? the engine that I have to rebuild is an egr engine. I was told that egr heads flow a little more than stock but you cant really do anything with them as far as opening up. would a set of socal heads help at all with a stock charger?
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2004 chevy lly with a handshaker





Originally Posted by coker6303
My trucks not a whore...she doesn't lift her skirt for just anyone!

Originally Posted by coker6303
But she is a prostitute...she will do anything for money
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Old 09-10-2018, 06:31 PM
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Rods are needed. You should be close to 650hp if done right. Anything you can do to lighten the rotating assembly and increase airflow will help.
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