installing a hd2 kit on my camaro full weight car 4000k stall, been reading about different recommendations on 1-2,3-4 drill hole size. it calls for .082 for short or .093 for race on the 1-2. heard the bigger one isnt recommend what do yall thnk from people who have this kit?? 2-3 drill holes also the smaller one or bigger one? also how many if any washer and the 2nd accumulator. i dont daily this car mostly race track with a little street driving. thanks

 

Call Pro Built Automatics and talk to Dana (PBA on here). I have a similar setup to you (ss4000) and the hole sizes he recommended are quite a bit larger than hd2 instructions. I also didn't shim any accumulators as to provide the most cushion for the shifts. Dana can explain everything.

 

With higher Torque-Converter Stall-Speeds (or a less efficient Torque-Converter) it is normal to need an Orifice size Increase for various Circuits.