Hi Monty, I'd love to hear from you about my previous Q on which inserts fit the NR carb as the NR 6.0mm is out of stock in most places that ship overseas... Do the GRP ones fit? Reedy ones? Any idea? Thanks
I also got my hands on a N21BF (great little mill, was on sale at my LHS, couldn't resist

as I had run one previously in an endurance race at it was really really perfect for my driving skills, not to mention runtime and clutch/tyre wear)... and I don't run turbo plugs on my +4, so basically I have a spare turbo insert... Any advantage in installing on my N21 as I have a crapload of Odo 97T in stock?
Thanks for the help

Paul