Quote:
Originally Posted by Greg Reid
I know I've seen this somewhere else as well but this one is from the 1969 assembly manual. It refers to 1969 Tempest and Grand Prix. Tempest 2dr is 3327 and 4 Dr is 3369. Notice front measurements are slightly higher.
If I'm deciphering it correctly..
 
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As for the lwb versus swb the long wheelbase was 4 doors including wagons and short was all two door models.
On the GP you got a lower ride height if you ordered auto level control rear shock option (which was included in the SJ option) so those cars got lower front and rear springs.
HD suspension is not ride and handling suspension, it is the Heavy cargo option (F40 in Chevy lingo) which basically jacked up the car similar to wagon height for encyclopedia salesmen etc. The Y96 ride and handling option did not change ride height but it did include different springs that gave a firmer ride.