Eagle and Scat crankshafts??.

Scat balances to within a "couple" of grams. For most street engines that won't see 6000 RPM they are "usable"??

But I don't waste my money on factory balancing. Buy the raw parts and have a local guy balance them.

ALL engine components should be carefully checked before assembly. Always remember, if in doubt, check it again and then have that local machine shop guy look it over for you.

Or, you could just buy the parts from Jerry and have him do the balance job for you. Then you'll know it's right.

Ever wonder why there's never enough money to do it right......but always enough to do it over????????????????:D

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Originally Posted by Geezer2

Ever wonder why there's never enough money to do it right......but always enough to do it over????????????????:D

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excellant statement :)done that too many times .:CRY:

The bob weight numbers that the crank manufactures list are target bob weights that allow a balance shop to balance an assembly internally without adding heavy metal to the end counterweights------

Now most of them will sell you a balanced assembly, but of course this means that you buy your rods, pistons, rings, bearings from them also---

We also use some Callies cranks that we have them balance to OUR specs for some shelf packages that we stock----keeps them honest!!!!an example is the 414 cid kits for our Dart SHP SBC engines--4.125 bore/3.875 stroke/6.000 rod--and yes the 3.875 stroke is so there is some material in the piston top--

And---the Scat 3.75 crank/6.0 rod packages are good sellers and Corey has several piston confiqs here at all times with what to me seems like a lot of packages coming constantly