Using the tabs on my 400SS does make big difference. Typically I drop the tabs every time. I cannot tell you the plane time as I have not counted.

I have 27" B3's They are perfect for the top end but a little slow for the launch. My set up is with 525's

to finish the story
 

i just got back from a week on the boat. the dealer was nice enough to put the props on their personal 370 onto my boat. these 26 props do make a lot of difference.

when i was getting 20+ seconds to plane, i had 8 adults on the boat plus a full tank of gas and probably 1/2 water filled. this may be extreme, but it's how i usually load the boat. with the 26's, the boat's planing (with that load) in under 10 seconds. i took it out alone, and was 6-7 seconds to plane.

for me, the 26's are the way to set up the boat.

thanks for all the replies.

and a hello to all my friends on "d" dock.