I guess my point is the 59 degree angle is 'evil' in the LA because of the pushrod angle it produces. But there's nothing inherently wrong with 59 degrees. In fact, if it produces a straight-shot pushrod in the Poly, then it's optimal.
Exactly, the 59 LBA is perfect for the Poly, and very not optimal for the LA.
You can run the 59 degree LBA to 8500 or a bit more, and do it relatively reliable, but the first thing you have to do is NOT treat it like it’s a SBC.
You can’t get the pushrods too big and stiff, you can’t run the spring loads as low as everyone thinks you can, even with Ti valves and you can’t run the same oil volume and pressure as the chevy.
If you listen to and/or think like a chevy guy you will fail.
I honestly don’t have the gumption to do it any more. I thought about shifting at 8000ish on the R block 3.79 W2 junker I’m eventually going to do, then I quickly got off that ledge.
