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I bought an '89 Foundation a few days ago and it had a pretty big bow in it. First issue was that the truss rod nut was stuck - probably been in that position since 1989. Had to soak it with Liquid Wrench and let it sit for an hour. Then I worked it until I got it loose. Took the TR nut off, cleaned and oiled everything, then put it back on. So, when I was finally able to tighten the truss rod it became clear it wasn't going to be able to pull the neck back to straight without some help. But all it took was some mechanical force on the neck while tightening the TR. Had to pull hard on the neck to take the pressure off the TR when tightening. Worked great, and the neck is flat now.A bow, that’s been there for years, may not adjust out without addition of heat for hours and hours. It’s a gamble.
Yes, that method has worked for me most of the time.I bought an '89 Foundation a few days ago and it had a pretty big bow in it. First issue was that the truss rod nut was stuck - probably been in that position since 1989. Had to soak it with Liquid Wrench and let it sit for an hour. Then I worked it until I got it loose. Took the TR nut off, cleaned and oiled everything, then put it back on. So, when I was finally able to tighten the truss rod it became clear it wasn't going to be able to pull the neck back to straight without some help. But all it took was some mechanical force on the neck while tightening the TR. Had to pull hard on the neck to take the pressure off the TR when tightening. Worked great, and the neck is flat now.
Glad to hear that worked out!Yes, that method has worked for me most of the time.
Strings
If the strings have improper run out or too low/high tension, it will affect how the bass sets up.
When folks used to mail basses for setup, it was common for folks to want to debate strings.... what works on some may not be the right ones for another. To get 1mm action up and down the neck it takes enough tension to keep the string (and nut brake) adequate.
Geometry
On these basses (simplified version) ... there's nut, tilt and bridge (assuming that the neck is straight) ...
Getting a all 3 things in alignment makes them magical. I've had many RJ come through that were a balance of raising the nut and lowering the bridge...
Reminders... the Millenium normally does well with a neck shim... the RJ normally does well with a bridge saddle file down
My 90's Foundation with single coils in VFL covers rocks with flats!Progress on my 90's Foundation 5er black on maple with the single coils (VFL covers);
This bass had to have the bridge slightly moved over a tad...i tried adjusting the neck alignment but the pocket was very tight and no movement would help...thats now solved..
Any flats users on 90's Peavey basses with the single coils as on my 90's Foundation?
Anyone ever use the micro-tilt adjustment on their old Peavey? I never do … seems like a bad idea. But I'd like to hear from anyone that's tried it.
Interesting … I'd never even consider the micro-tilt before adjusting the saddles. Saddles are made to be adjusted. I'd only consider the micro-tilt as an alternative to shimming the neck when truss rod and saddle adjustments aren't able to get the action where I want it.... the manuals for those bases were clear on Peavey's preference that you use the microtilt rather than raising/lowering the saddles to any degree.
Exactly how are you supposed to use the micro-tilt? Slightly loosen the neck screws, tighten the micro-tilt a little, then retighten the neck screws? Repeat until the action is the way you want it?
I use the micro tilt fairly sparingly-no more than 1/16" or about 2mm worth of protuberance. I back it all the way off and then set up the bass. If the action isn't reasonably consistent up and down the neck (from too shallow of a neck angle), I will see if a small use of the micro tilt helps. If the neck needs more than a very small amount of micro tilt, I use a larger shim to get it in the ballpark and then use the micro tilt to dial it in. I have had to shim more older micro tilt Fenders than Peaveys!
As has been discussed here before, some of us are concerned with the wedge-like action of a neck tilt centered on a glue seam. Crank down on the neck bolts while having the neck tilt bolt screwed in a decent amount, and voila... the neck starts splitting at the heel … IMO, it’s not worth the risk.