Hi Alan,
Get yourself some titanium turnbuckles man. Titanium screws help too !
www.rc-mushroom.com &
www.rcmart.com for the screws
www.amainhobbies.com for the turnbuckles
Good for 100g to 150g reduction in weight.
I think a brand new X2 will help too

.
Regards,
Joe Ling
Hyper 9e Medusa 4S, Savage 5S MMM 8XL, Jammin' 4S Neu MMM, X2 Ninja JX, X2 MMM 5S Neu, E REVO Medusa 6S