[AT] Rationale for firing orders

[Landen Schooler]

I've seen a V-8 flat crank before. They were used in Indy cars.

Landen Schooler
Palmyra, Iowa

"Robert L. Holtzer" wrote:
> 
> Four cylinder cranks are flat -- two end cylinders are up and two center
> cylinders down at the same time for primary balancing.  You can figure out
> the various firing combinations that will work.  Anyone seen any four
> cylinder cranks with 1/2 and 3/4 paired (ie, same throw)?  Would probably
> be a great rocking couple to the balance!
> 
> Bob Holtzer
>