Are girdles generally added for big rpm or HP or torque

If your creative, you can use a W7-8-9 on a stock block.
When did the Chevy SB2 & RO7 first make there appearance?
I’m not so quick to call a weight saving modified block a Chevy height block.
Chevy oiling? You mean pushrod oiling?
Chevy didn’t invent that.
I’m not up on the valve train of the upper W series engines.
You said accepts a Chevy rotating assembly.
Really? A Chevy crank slips into a small block MoPar?
If your going to go with modifying the crank for a small Chevy rod journal, I call that taking adavantage. Same would go for any other rod mod or piston mod. It’s basic hot rodding. Use what you can from anywhere you can to take advantage of it. Straight up! If I can get a KIA part to work for my advantage in my MoPar, I will, but does that now make it a KIA?
You say “Accepts Chevy front acc. parts?
Again, more hot rodding part swapping.
But I’d like to know more ! Can I bolt on a Chevy timing cover, water pump? If your using adapters, then the answer is no. Not yes with adapters.
I know you can get or modify blocks at the rear to accept a Chevy trans but wouldn’t that also allow for room to use a BOP trans?
Does that make it a Chevy Olds/MoPar hybred? It’s because your a purist, and insulted and made sick by another companies part on the MP block it is now a 95% Chevy or GM engine?