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-   -   FGM vs. S540 differences (https://www.jemsite.com/forums/f18/fgm-vs-s540-differences-124175.html)

MichelIV 11-14-2012 12:18 PM

FGM vs. S540 differences
 
Does anyone know for sure whether the FGM neck has less material vs. the stock 540 neck or is the neck simply set in to the body further? If it's set into the body further, is the FGM body slightly different (more material) near where the neck mounts up? Or is the pocket simply machined a bit deeper? Doesn't seem like there's a lot of extra material in that region to whittle down.

I'm mating an FGM neck to a an S540 body but I've not seen an FGM in person.

Thanks in advance!

MorbidAngel 11-14-2012 12:55 PM

Re: FGM vs. S540 differences
 
As far as I remember the necks are very similar, the FGM's neck is just deeper in the pocket but the amount of wood for the neck is the same, the pickups were also recessed into the body, including the pickup rings. Otherwise body thickness was the same as the thinnest S series.

chris

MichelIV 11-14-2012 12:56 PM

Re: FGM vs. S540 differences
 
Ok so there's just more material taken out of the base of the pocket then...

MichelIV 11-14-2012 01:22 PM

Re: FGM vs. S540 differences
 
Stock S540, 1993 LTD model.
http://i270.photobucket.com/albums/j...93S540LTD9.jpg

2010 S5EX1 model, seems like there's a lot more material on the back side of the pocket.
http://i270.photobucket.com/albums/j...ry/S5EX1-3.jpg

2000 S1520 Prestige
http://i270.photobucket.com/albums/j...ry/S1520-2.jpg

S5470, photos are a little dark on the bottom so it's tough to compare here without the guitar in hand. I'll take some caliper readings later.

These are FGM 400 images, best I could find for comparison's sake. It definitely sits lower.
http://i270.photobucket.com/albums/j...85560409_o.jpg
http://i270.photobucket.com/albums/j...85560663_o.jpg
http://i270.photobucket.com/albums/j...85560493_o.jpg

corey j grieve 11-14-2012 08:03 PM

Re: FGM vs. S540 differences
 
Yes...neck is normal but everything is recessed lower 4mm or so....neck,pup rings,trem.

MichelIV 11-14-2012 08:30 PM

Re: FGM vs. S540 differences
 
So I'd have to route the trem cavity 4mm lower as well? Or does that fall under the normal adjustment parameters of the trem studs?

corey j grieve 11-15-2012 04:22 AM

Re: FGM vs. S540 differences
 
Quote:

Originally Posted by MichelIV (Post 1208716)
So I'd have to route the trem cavity 4mm lower as well? Or does that fall under the normal adjustment parameters of the trem studs?

No....the neck specs are normal (heel depth etc) so bolting into a standard body just puts the neck in the standard position.....should be a non issue.

MichelIV 11-15-2012 07:52 AM

Re: FGM vs. S540 differences
 
Right. I understand that but I'm actually planning on mounting it at the same depth as a real FGM by taking material out of the pocket. I plan on mounting the pickups and pickup mounting rings in the same fashion as the real deal too.

The last part would be the tremolo. I'm "hoping" there's enough adjustment range in the studs to accommodate the 4mm drop. Otherwise I'll have to pull the inserts and machine out 4mm, then drop them back in. I'm using an Edge Pro for the bridge and I already plan on machining out the necessary areas to give it a normal range of motion.

khaas 11-15-2012 09:30 AM

Re: FGM vs. S540 differences
 
Here's my FGM100:

http://i1109.photobucket.com/albums/...SkyBlue010.jpg

More pics here:
http://photobucket.com/IbanezFGM100skyblue

We're insanely busy at the shop at the moment, thankfully, but if you would like some specific measurements of something a can get on it next week or the week after.

just4kinks 11-15-2012 02:59 PM

Re: FGM vs. S540 differences
 
Quote:

Originally Posted by MichelIV (Post 1208772)
Right. I understand that but I'm actually planning on mounting it at the same depth as a real FGM by taking material out of the pocket. I plan on mounting the pickups and pickup mounting rings in the same fashion as the real deal too.

That's a lot of work, I think you should buy a real FGM! You can resell that junky old fgm400 neck to me :D

MichelIV 11-15-2012 03:00 PM

Re: FGM vs. S540 differences
 
Ha ha ha ha! Nice try. ;)

MichelIV 11-15-2012 03:01 PM

Re: FGM vs. S540 differences
 
Quote:

Originally Posted by khaas (Post 1208783)
Here's my FGM100:

http://i1109.photobucket.com/albums/...SkyBlue010.jpg

More pics here:
http://photobucket.com/IbanezFGM100skyblue

We're insanely busy at the shop at the moment, thankfully, but if you would like some specific measurements of something a can get on it next week or the week after.

Thanks so much for the offer! Will let you know.

MichelIV 11-15-2012 03:02 PM

Re: FGM vs. S540 differences
 
khaas, out of curiosity, does it look like the trem cavity is lower than a standard S540 as well?

corey j grieve 11-15-2012 03:48 PM

Re: FGM vs. S540 differences
 
The entire cavity for the trem is deeper mike,Khaas guitar is setup and you can see how much lower the knife edges are in the body to the standard.
I dont blame you for wanting to do it but geez....alot of work.

MichelIV 11-15-2012 03:52 PM

Re: FGM vs. S540 differences
 
Yeah, I may get in to this and decide to just put it at stock level. In Khaas' photo, the rear pickup is still pretty high up so what's the point? Although countersunk pickup surrounds would be damn cool!


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