do the front shackles add any ride height? i already have a 7" front lift, so i do not want to go much higher. some sites say their shackles add up to 1 1/2" of height! i need as little as possible not often you here a 'wheeler say that -Zakk '77 K5 SB 400 TH350 NP203 p/t 6" Lift D60 14BFF 4.10's 36"Wrangler II's MOAB 2002 OR BUST!!