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Old 09-11-2018, 10:48 AM   #1
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engine balancing

So my motor is a mix of factory parts, ls2 rods and pistons, lq4 crank in an lq9 block. Does all this need to be re-balanced or should it be good since its all factory stuff?
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Old 09-11-2018, 11:38 AM   #2
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Has this already been put together and run? Or is this a new build?

If it is a new build, its cheap insurance to have all the parts looked at by the machine shop and re-balanced as needed.
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and once i get PHB, what do i ajust it too?
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Old 09-11-2018, 11:57 AM   #3
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New build. Used parts obviously. Block was hot tanked, checked, honed, and assembled. Guy I bought it off of sold his car then sold the motor fresh from the machine shop.
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Old 09-11-2018, 12:04 PM   #4
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If the rotating assembly is made up of used parts from different engines I would say you absolutely have to get it checked/modified.
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Old 09-11-2018, 01:11 PM   #5
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Hum, ok. That's what I was worried about. The guy never mentioned having it balanced when I bought it. I'll have it checked out.
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Old 09-11-2018, 01:28 PM   #6
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I'd have it balanced.
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Old 09-11-2018, 01:56 PM   #7
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Don't cheap our, do it!
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The looser the waistband, the deeper the quicksand. Or so I have read.

Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.

Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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Old 09-11-2018, 07:46 PM   #8
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Definitely needs to be balanced. You didn't mention internal or external either but the mix up needs to be balanced together. A factory rotating assembly staying together is different.
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Old 09-11-2018, 07:52 PM   #9
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Definitely needs to be balanced. You didn't mention internal or external either but the mix up needs to be balanced together. A factory rotating assembly staying together is different.
I just assumed all ls were internal. So whatever a stock lq4 crank and ls2 rods require balance wise.
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Old 09-11-2018, 07:53 PM   #10
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your engine guy will know all the questions & answers.
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The looser the waistband, the deeper the quicksand. Or so I have read.

Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.

Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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Old 09-11-2018, 08:50 PM   #11
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How many cubic inches will this engine be?
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Old 09-11-2018, 09:08 PM   #12
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364, stock 6.0l size.
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Old 09-11-2018, 09:08 PM   #13
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364, stock 6.0l size.
Cool.
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Old 09-11-2018, 09:43 PM   #14
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Def balance
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Old 09-12-2018, 03:55 PM   #15
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Getting dropped off next time I visit my parents in Jersey since the machine shop I want to use is only a town over from them. After talking to them on the phone it definitely needs to get balanced lol.
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Old 09-12-2018, 05:15 PM   #16
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Getting dropped off next time I visit my parents in Jersey since the machine shop I want to use is only a town over from them. After talking to them on the phone it definitely needs to get balanced lol.
You doubted all of our knowledge?!?!?
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Old 09-12-2018, 05:57 PM   #17
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You doubted all of our knowledge?!?!?
No, but I doubt his knowledge less lol.
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