MOPED ARMY

Yes... I would think the Biturbo would gain you maybe 3mph or so.

And the 'variator ramp mod' is enlarging (with a file) the 3 grooves the outer clutch plate has in them to allow more movement of the outer clutch sheave face (it squeezes the belt tighter...raising the gear ratio.. and top speed).

Do a search for that word... CR had posted a 'pdf zip file' with 4 or 5 photo's of the mod.

Since I don't know that much about pyooters... I didn't/couldn't open it and look.

But you might know how to.