Quoted from northerndude:

RESEARCH the playfield you'd swap with. Many a horror story of holes and etc. not being lined up. You will have to work for this. Check some resto threads.

Quoted from mbaumle:

Second this. I sent out my original playfield to captain Neo for a full restore before I swapped it. 3/4 through the restoration process, both CPR and Mirco announced their repros, and I kinda felt silly for going through the extra trouble to restore the original.
Fast forward to Mirco playfields having missing insert decal artwork and CPR having that weird line in the stippling effect, and I’m really glad I went through with the original playfield.

Quoted from Jmckune:

So mine are actually two different playfields. I still have the crap one to hang if desired. The other one came with the game when I got it and the person who had it before me had it clear coated. There are a few signs of wear but not really. Cellar holes looked good, colors are great. Only signs of wear are very hard to see but it looked 100x better than the original in there. Both of them are Williams playfields though.

Quoted from Initiative:

LED flash lamps themselves are plug and play. However, on system 11 games, you'll get some serious ghosting on 4 of the flashers. you'll need to cut some diodes from the driver board in the backbox, then solder some new ones on 4 coils under the playfield in order to get rid of these artifacts. the procedure can be found here:
https://pinside.com/pinball/forum/topic/adding-led-flashers-to-system-11-games
I've done this on 4 of my system 11 games and can tell you it works.
good luck.

Quoted from Elicash:

Hi guys, anyone have extra Whirlwind ROM chips? Let me know, I will purchase. Thank you

Quoted from mark532011:

Has anyone else had trouble painting their topper? I cleaned mine off and sprayed some gloss white on it. It got the weird cracked look in a few areas. Any idea what to do about it? Sand it down and use a different primer?[quoted image]

Quoted from slizzap:

Hey guys,
Anyone having abnormal "bounce" issues with the targets beside the right ramp? Both targets bounce pretty good, but my yellow NW target on the left side of the right ramp really causes the ball to bounce pretty good when hit straight on at full speed. Quite often it bounces over and lands in between the low pressure jet bumpers, once or twice it's landed inside the ramp above those bumpers, and probably a half dozen times just in the past week it's knocked the plastic light cover off the top of both cellar signs. It's happening with such frequency that I figure this must not be normal. I'm wondering if anyone has any suggestions for how I can tweak these targets to reduce the bounciness.
I'm recently a new Whirlwind owner, received about 3 weeks ago, and this is my first pinball machine. I've already done a few repairs on my own (million ramp replacement, new opto boards, and some new lights) thanks to some really helpful information found on this site. That is to say I'm knowledgeable enough and willing to dig in where needed.
TIA!