What will I need to change a ASAT Classic to a Calssic Custom besides the neck pickup? Different Caps? Different Bridge pickup? I'm just in the thought process now...

Another pickguard, that special overwound big MFD pickup (probably not available) and a rerouted body, as the neck pickup cavity most likely will not fit the bigger pickup.

Miles Smiles is correct and you will definitely need to re-rout for the neck pickup change.

Here's what the ASAT Classic neck rout looks like:



And here is what the ASAT Special pickup rout looks like and note that the ASAT Classic Custom neck
pickup cavity will need to be slightly deeper than the ASAT Special pickup rout. Sorry, I don't know the actual
depth needed:

.

You might consider posting an Ad in our Marketplace for doing a trade of your AC for an ACC, just a thought.

Hope this helps.

@ Miles Smiles, Thank you for the reply. The pickguard (available through Chandler in the Links section on this site) and pickup(available through G&L's web site) I knew about, I just didn't know if a different bridge pick up was used(more or less windings), or if diffenent Caps were used on the pots.
@ Craig, Thanks also for the reply. I have a router at the ready just in case I want to collect the parts and do it. Although a trade would be much more easy.....

For the pickup at the ASAT Custom it reads: "extra-fat Jumbo Magnetic Field Design neck pickup"

I don't know were the difference exactly is, I suppose more windings, but in the online store they sell just ordinary pickups, without that "extra-fat".
But maybe you can go in contact with G&L for getting exactly that pickup which is used at the ASAT Custom.

For the bridge pickup and especially the caps I cannot think of any reason for to be different to the ordinary Classic.

From the G&L Knowledgebase: List of pickups used in G&L guitars:



Hope this helps.

Finding the pickup will likely be the challenge. You might contact the G&L On-line Store
and see if they will sell you one or check with a local G&L dealer.

See the Gallery for wiring photo diagrams.

If you get the needed parts and decide to do it, perhaps you could document your project
in the The Project Page sub-forum.

Thanks again Craig. If I do this Project, i WILL post up in the Projects page. It wouldn't be the first time I've taken a router to a guitar, I like to think I could pull this one off cleanly.
Although I may try the trade thing here first, so if you or anyone else knows of some one that would like a near mint ASAT Classic in Vintage white with maple board and white pearl pick guard, send them my way and I can get them pic's.
Their Classic Custom will need to be in like condition.
Thanks!

if you are having a hard time sourcing the neck pup, you might try nordstrand, they make a very nice alnico version of the big mfd pup. and wind it to your specs.

Thank you for the info Louis. I will keep that in mind when I start to gather the parts for this project (out of work right now).
I don't think I'm going to look for a trade. The more I play this guitar, the more I like the neck, weight, and general feel of this guitar. You all KNOW how it is when one just "Feels right".
I'll post up when I start the project, but it may be a while...