TwinTurbo.NET: Nissan 300ZX forum - Talking about the little 'pecks', center counter weight?
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Subject Talking about the little 'pecks', center counter weight?
     
Posted by -Grimm- on October 12, 2015 at 9:34 AM
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In Reply To Crankshaft question posted by Samz91tt on October 12, 2015 at 05:03 AM
     
Message That's normal for balancing a crank. You'll notice they're on almost every counter weight.

Ideally you would balance the crank when changing any of the rotating components (pistons, rods, rod bolts). If it is a completely stock build you might be able to get away without it, as I'm sure the variation in rod weight isn't enough to cause destructive resonance.

If you want to do it the right way, nearly every engine machine shop will know where to send it to be balanced. Most don't have the capability in house due to the expense of the machine.

They will generally need: Crank, rods, pistons, rings, pulley/dampener, flywheel/flexplate to do it properly.

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1992 300ZX NA 5 Sp (Dead)
1990 300ZX NA Auto 2+2 (Dead)
1990 300ZX TT 5 Sp (Stock Turbos) (Est. 400 HP)
1990 300ZX TT 5 Sp (GT600R) (Est. 600 HP)
2004 G35 Sport 6MT (DD)
2008 Honda Civic (DD)
1969 Chevy C10 (Toy)
1969 Chevelle (Toy)

     
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