Lean pop off idle?
Which one?
6.69-3.34-1.79-1.00 splits of .50-.54-.56, or
4.78-2.39-1.37-1.00 splits of .50-.57-.73(short fourth)
With 33s and 3.23s, the starter gears are equivalent to; 17.68 and 12.63 as compared to typical 27s, in the which 17.68 is insanely low, while the 12.63 is only slightly way out there, like a drag-race starter. But in either case the 50% 1-2 split is not something I'd enjoy. This is one of the reasons I no longer drive the A833od box with it's 54% 1-2split
The one problem I see with that NP435, is the unsynchronized granny-gear, which makes getting back into first a bit of an art, and for sure,,, slow. Most of the time, you will not be going there, which means you will be in Second, which with the 2.39Second, is the equivalent of 2.71s with a regular A833 and 27s. Your 440 is gonna need some grunt to cover that.
What I’m trying to do? You mean make it idle and drive down the road?
I may have been a lil hasty as to not liking your cam;
It occurred to me that the advertised numbers being so very much larger than the typical cam, might not have been ascertained at the usual .006/.008 tappet rise. If those numbers are SAE , well then, I made an ignorant comment. however your idle-vacuum is not inspiring any confidence in this possibility, because with a 260/112 type cam your idle vacuum should be closer to say 17 inches.
But if at 006/008, then I'm not changing my opinion.
The .050 numbers are good for your NP435-combo; how good will depend on your actual cranking cylinder pressure. Certainly in First gear with either starter-gear, low cylinder pressure won't be a problem no matter what.
Typically on a FTH cam, the advertised numbers for .008/.006 will be around 44 to 48 degrees. Your 214/224/112 @.050cam would then be, say
260/270/112, which does not compare at all well to
288/298/112, unless that is SAE; so Ima thinking I mighta screwed up. Rusty, and others seem to know this cam, so I'm just gonna hang around and see what they say.
If it is SAE, I'm just gonna slink away.
However, even then, I still don't like it.
If it was mine, and if the advertised is SAE; I'd probably put some solid lifters on it. The ramps are so long that solids should work just fine and, I bet the engine would pick up some good vacuum with them, in addition to more Cranking Cylinder Pressure. Yeah, that's what I would do ..... if the advertised is SAE.
