Man I wish I could have got to you before you buttoned it up.
No big deal.
Thanks for the kind words bull.
Next time you open it up you can work on time / area.
The port timing changes you made are step one.
Two late for step two.
Step three would have been to set it at each mean line drop in a piece of paper and map the area. Then transfer to mm squared paper and count the area or squares. Change to cm3 and check the angle area.
Then a time area for that port can be done. Once that is complete then your do final port work. Blow down 29 can be corrected on next top end removal if required. Heck gaskets are cheap after you take it out and get a feel for it.
Pretty cool what you have done and took time to do. It will pay off. Have you ran your your final CR and UCCR numbers.
I would say once it's toghter you can look at the intake set up.
Two schools of thought.
High velocity
Low velocity
This will dictate the multiplier for carb and tip ratio for reeds. This will impact your port work based off of primary ratio and it's ratio to secondary.
Again don't make to much of it, it's not that hard.
Let's look at what we know:
Stock 89 carb (90 would be better for mid range set up)
V- force reeds set in factory position.
No change in primary.
Change in port timing°
Some kind of dual intake set up (filter)
So:
The cfm of carb fixed, cfm of
Engine changed. ( Ported)
Reed velocity across tips changed, time area changed for Reed lift.
This will push you towards a high velocity.
That is where the great debate comes in.
Now., If this was offset with a change in primary some how it could be brought back down for a smoother power delivery. Remember we're a CVT based Engine.
This could also mellow out the reeds for a given velocity.
So I would take a reverse approach to stuffer crank.
As a stuffer add CR we would removal CR for the case.
Heck we're already at 4500 rpm so we don't need more.
I would think we need to change it in way of larger carb and increased Volume on the primary. Don't take much.
More in this later have to go.
Good job zero. Thanks for letting me bla bla bla.
Adnoh