Honing with Torque Plates - How Important?

A basic rebuild could do without them, the rebuild could go years without issue.

Done with them, the rebuild could go decades. This proceedure also helps the engine make all the power designed into it. Like the desk top dyno sim assume's, a well built engine making all the power it can.

I think Huges engines rents them, I think I seen them for sale from Comp cams or Powerhouse tools. DANG! Where did I see them for sale.

MoPar used to sell them.