Another A/X tire pressure question, ...EDIT: I LOVE A6'S!! Options

[naro914]

So, it's been a zillion years since I've autocrossed with real autocross tires, and obviously technology has changed a bit (used to use the BFG R-1 back in early 90's until they stopped making them - went to G-Force, then built the car to full race using slicks)

We rebuilt our 914 (Huey) to use for street/AX after the wreck at Targa Newfoundland, and we've been just using our old street Continentals on it for the local autocrosses - mainly because we only had one set of wheels.

Just got another set of wheels, so I got a set of Hoosier A6's. Problem is, I have no idea what pressures these run at. The race car uses Goodyear slicks at 19 psi cold.

Car is about 2050 lbs without me - yes, it's heavy, but we drive it for more street/rally/weekends and has a full cage that added weight.

3.2 liter six cyl
Carrera suspension
Front Weltmeister sway
21 mm torsion bars (I think)
can't remember the springs, but I think 180lb

Again, it's not set up for A/X, and honestly the local A/X group is not exceptionally competitive like the West coasters are. I am about 1 sec off FTD with 5 year old Conti ContactSport 2's, so A6's should really help.

Sorry for the long winded post.

Bottom line: what tire pressures should I start with on Hoosier A6?