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Rotating assembly balancing

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Old Dec 15, 2001 | 12:51 PM
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Default Rotating assembly balancing

I just ordered a shiny new Merlin II block, so now I need to start budgeting for the rest of the engine. Once cost I'm not sure about is rotating assembly balancing. How much does it normally run, ballpark? Should I be looking for a shop that can "high speed" balance? I've seen that in the World Castings ads for their rotating assemblies. Thanks!
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Old Dec 15, 2001 | 02:43 PM
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Default Re: Rotating assembly balancing (Flareside)

flareside, If your buying a "rotating assembly" who ever you buy it from should be able to balance it. ...redvetracr
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Old Dec 15, 2001 | 02:45 PM
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Default Re: Rotating assembly balancing (redvetracr)

redvetracr, that's the question. See, I may be able to get some of the required parts used (specifically, a set of L88 rods and a GM steel crank), but then I'd have to have the assembly balanced locally.


[Modified by Flareside, 1:56 PM 12/15/2001]
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Old Dec 16, 2001 | 09:17 PM
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Default Re: Rotating assembly balancing (Flareside)

Hey Joe, your Vette is awesome looking!!! My next vette is going to be a dark bue, tube frame 68 or 69 with a 632 Bill Mitchell Monster Merlin...

Oh it's nice to dream!!! :cheers:

Black Rocket
'91 C-4 with 427 Mowtown II going in!


[Modified by BlackRocket, 7:18 PM 12/16/2001]
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Old Dec 17, 2001 | 05:08 PM
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Default Re: Rotating assembly balancing (BlackRocket)

I was thinking of piecing a rotating assembly together with Scat cast crank, Eagle H-beam rods, and SRP pistons. Do I have to shop for specific weights to make sure everything balances ok? I don't really understand. One place (flatlander racing) told me that I need to buy one of their rotating assemblies, rather than piece their parts together. They told me that I might have to spend up to $500 to balance a "pieced" together assembly. Where their assembly will only cost about $100.
Thanks,
Jay
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Old Dec 17, 2001 | 08:14 PM
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Default Re: Rotating assembly balancing (TeenagerWith74Vette)

I was thinking of piecing a rotating assembly together with Scat cast crank, Eagle H-beam rods, and SRP pistons. Do I have to shop for specific weights to make sure everything balances ok? I don't really understand. One place (flatlander racing) told me that I need to buy one of their rotating assemblies, rather than piece their parts together. They told me that I might have to spend up to $500 to balance a "pieced" together assembly. Where their assembly will only cost about $100.
Thanks,

Jay
Yes, it is possible to spend lots of money balancing mis-matched stuff, particularly if you want it internally balanced. If they have to start adding malory metal it gets expensive.





[Modified by ralph, 6:15 PM 12/17/2001]
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