What an amazing website...
Thanks to all for your thoughts/suggestions:
I realize this is a big problem, so close to the season.
And i will not hunt until I rectify it..
I am obviously using the same weight field points as the spitfires.
In fact I switched to the Satellite Match Points from Cabelas because they have an identical elongated shape, just like the mechanical spitfires.
I will first try dental flossing the blades shut.
If this doesn't work, I will go back to the shop and see if it is a bow or an arrow-spine issue. I did switch to a whisper biscuit this summer and this may have changed things as well.
Anyway, Thanks to all for your help..
PS. BY the way, I am a newbie (been shooting targets for about 2 years) but I think that 3" groups at 20 yards (consistent, 100 % 3 inch groups) should give me the confidence to hunt at that yardage or less. Now I just have to get my broadheads to behave accordingly.