You do not need spring rates that high on an ITC EF hatch - there just isn't enough weight to deal with and the car has a relatively short wheel base. You shouldn't need much more than about a 600f/900r set up, IMO. I think you could also run that with a standard valved Koni. Use the stock front sway bar (or none at all) and a 19mm or 22mm rear sway bar and you should be pretty good to go.
In my ITA Integra, I'm running.........let's just say "over 1000lbs" in the rear. But remember, we're talking about 500lbs more wieght in the car and a much longer wheel base.
Kevin
2010 FP Runoffs & Super Sweep Champion
2010 ITB ARRC Champion
2008 & 2009 ITA ARRC Champion
'90 FP Acura Integra RS
'92 ITA Acura Integra RS
'92 ITB Honda Civic DX
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