[rlh930]

I have a similar difference between my '73 911T and '87 930. The Turbo's steering is much heavier. This in spite of the fact that the '73 has Turbo flares and is running 245's on the front vs. 205's on the 930.

Part of the difference in steering effort is probably weight (2900 for the 930 vs. 2400 lbs for the 911), but it is also true that, per the Porsche spec book, the '73's caster is 5.5 deg. vs. 6.5 for the Turbo. Caster is also 6.5 for the SC, so my guess is that more caster is the real difference.