Balance or not?

New to blown alcohol and need to know if balancing crank is as critical with these engines as naturally aspirated?

 

you bet...Dave

 

Absolutely!

 

If ya decide it doesn't matter----------take a video !

 

What about when you run different length rods or different comp. height pistons in only a few holes ? .

 

put me on the mailing list for a video

 

If the different weight parts stay the same, you can figure different bob weights, then spin the crank.

 

It works out to a small amount of difference when you run a .050 shorter rod or cut the top of the piston-----not necessary to try to split hairs there .

 

When you know you are going to run different pistons/rods for a combo change, you tend to lean tward overbalancing by a hair. But even so, a gram here or there is just the same as having lots of oil on one or two pistons. Not balancing at all and trying to run serious rpms is a touch on the crazy side.