C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Engine balacing

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Old Mar 21, 2006 | 02:47 PM
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Default Engine balacing

Currently rebuilding my 85 and was wondering when is it necessary to balace the rotating assembly?
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Old Mar 21, 2006 | 02:51 PM
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If you are simply honing and reringing, no. If you are doing it the right way, yes.
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Old Mar 21, 2006 | 02:54 PM
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cranks being cut and blocks being bored 30 over
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Old Mar 21, 2006 | 03:10 PM
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Have it balanced....you won't reget it.
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Old Mar 21, 2006 | 03:10 PM
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Then yes. Boring the block means different weight pistons. Balance everything for long life.
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Old Mar 21, 2006 | 03:10 PM
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do it right the first time
regards
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Old Mar 21, 2006 | 03:25 PM
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Thanks guys, I'll get it balanced
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Old Mar 21, 2006 | 04:02 PM
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Originally Posted by nutz4c4
Have it balanced....you won't reget it.

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Old Mar 21, 2006 | 06:22 PM
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Originally Posted by nutz4c4
Have it balanced....you won't reget it.
I had mine balanced...I don't regret it.

With new 1st over pistons, re-ground crank, re-sized rods, ARP rod bolts, I thought it wise to be safe, not sorry...and now I am glad I had it all balanced.
It is a small price to pay for peace of mind and a smooth running engine..IMO
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Old Mar 21, 2006 | 07:46 PM
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Originally Posted by js292
Currently rebuilding my 85 and was wondering when is it necessary to balace the rotating assembly?
If your changing bearings and ring types manufacturer, all this is included in a GOOD balance - so YES you need to have it rebalanced.

Would I even if I wasn't changing the above....YES
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Old Mar 21, 2006 | 08:04 PM
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If you are going to push it at all, balancing is a must for longivity
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