The LSA parts you have to purchase to make the Holley stuff compatable are also scarce and on back order. I really appreciate the help and suggestions. I've gone down all these roads too. I just don't want to drop 2600 on an aftermarket set up. I guess I'll wait GM out.

Thanks All.

Ever get anywhere with this? We just got the new GM "modified" drive kit, it's pretty nice, but it took forever.

I just ordered one through a local huge dealer, hoping it doesn't take forever. I assume you mean the one with the alternator mounted high right? Hoping that makes mounting in my 72 easy.

I just ordered the LSA "modified" kit from Pace Performance today.

It shipped within 4 hours...

Not yet Kevin. I have a good friend who's a Caddy parts manager, and he says he's found me the factory LSA drive, and has it "on the way".

We shall see.

By the way, is this the modified drive where you have to fabricate a mounting piece on the power steering pump?

I ordered mine last Thurs from a large local dealer and they delivered it to me at work just now, said no issues in getting it. It's the modified one with high mount alternator.

Do you have to fabricate a bracket for the power steering?

I believe you do.

Here is the manual for the modified setup. Page 6 mentions making a simple bracket to mount the power steering reservoir:

http://www.chevrolet.com/content/dam...m-19303242.pdf

The reason I asked.