I'll check when I get home tonight and let you know.

This might not end up being super helpful, but I have had several Meteor machines over the years and there was no consistency as to what posts were on the games. Most if not all of them were untouched - generally, machine posts were the taller and regular screw posts were the shorter. I ended up redoing my eventual keeper with this method, replacing all the carriage bolts with proper Tnutted machine posts instead, so I fail the 'museum quality restoration' test anyway. The only other deviation was that the plastic support posts I always used the taller so the plastic was never sitting directly on top of the raw metal screws in the shorter posts in between.

The biggest thing that stuck out from the 6-7 playfields was that the slings were either all short or all tall, or the mix of tall and short. I'm pretty sure the Stern factory at the time used what they had to keep the line running - if a couple of posts were stuck on wrong, so be it.

would this help?

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Mine are all the taller ones for all the posts under the plastics behind the 1-2-3 drop targets, the plastic at the top by the exit of the shooter lane and for the two on either side of the spinner.

The shorter posts are all the ones under the plastic behind the Meteor drops, upper flipper and both slingshot plastics.

Thanks for all the photos..I am in the process( one of many it seems) of tearing down my meteor and it has random posts.. thanks

You could put the odd ball posts in the back where they don't show.

That's what I did.

This looks darn close to what I have. I unfortunately left my notes at home before going to work, so when I get home tonight, I'll pull my notes out.

Getting ready to do this myself, and I noticed the the very bottom post in the P8 section in the upper right of the playfield should also be a tall post for that specific plastic.

Also, the two for the spinners are tall type.

I recently pulled all the left side posts off of a Meteor playfield from the left flipper up to round brown bumper at the top and only had one short post up the whole left side. I've already purchased a new post kit from Marco so I'd like to get it figured out.

Yep, I have sort of the same thing going on mine as well with the exception of the slingshots which are all short type.

The poster above who said that there doesn't appear to be much consistency between games is correct. There are a lot of meteors out there and they weren't all done the same. I'm doing what the poster above did: make the plastics a uniform height with tall posts, spinners tall posts (because they have to be) and everything else short posts. I'm running LED lighting, so I'm not concerned about plastic sag. If you're using incandescent lamps, you may want to make sure your plastics are supported from underneath.

Slingshots might just have to stay short. Stern used 6-32x2" carriage bolts up through the bottom of the playfield to secure the slingshot plastics as well as the ones on either side of the stand-up target. Finding a replacement that is longer for tall posts doesn't seem to be possible, and long post studs that lock into a T-nut doesn't seem to be feasible either.

Ive just purchased the Marco kit which contains 8 x 1 3/16 and 48 x 1 inch. Is that correct?

Save some of your old posts for tweaking. The image in the thread above is incorrect in a few places, such as the slings(need short) and the spinner(need tall).

I populated my Meteor last night and used 17 tall with the remainder short. That kit that Marco sells is actually more expensive than the price of just ordering the posts from them as separate items.

I suggest always ordering a few extra. Last time I ordered from marco I got a star post that was deformed/improperly molded. It wasn't worth bothering them for a return, but it left me one short for my project.