1995 540S JB Body Resto! - Jemsite
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post #1 of 12 (permalink) Old 07-27-2016, 08:35 PM Thread Starter
 
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1995 540S JB Body Resto!

Got very lucky and scored a sweet JB 540 AANJ body from ebay. No major damage, just surface flaws in the clear. Paint around the jack and trem cavity is down to primer on the very corner. Nothing a little touch up can’t fix. Here’s the before/after on another restore.















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post #2 of 12 (permalink) Old 07-27-2016, 09:06 PM
 
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Re: 1995 540S JB Body Resto!

Damn that looks nice. Did you wet sand the clear then polish and buff? Never had the stones to try that.
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post #3 of 12 (permalink) Old 07-27-2016, 09:25 PM
 
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Re: 1995 540S JB Body Resto!

Uauu looks like new, well done!! I have work for you
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post #4 of 12 (permalink) Old 07-27-2016, 09:33 PM Thread Starter
 
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Yep. I've done enough older Ibzs to know how aggressive I can get. Still daunting and the art lies in knowing when to leave well enough alone.
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post #5 of 12 (permalink) Old 07-27-2016, 09:37 PM
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Re: 1995 540S JB Body Resto!

The problem with old guitars is you can never be sure how many times it's been sanded and buffed, if at all. But the first time you cut thru the top layer of clear and get the fog ring of the transition to the layer underneath, that will only get bigger and never go away, you'll start to second guess. I quit buffing after the third time I got the fog ring, I should have stopped after the first.
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post #6 of 12 (permalink) Old 07-27-2016, 09:43 PM Thread Starter
 
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Re: 1995 540S JB Body Resto!

True, but might have gone too aggressive. I start out with the least aggressive foam pads and polishes and gauge defect removal. Learned my lesson on an older car of mine. But, it really is an exercise of Gumpian proportions. You never know what you're gonna get.
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post #7 of 12 (permalink) Old 07-27-2016, 09:47 PM
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Re: 1995 540S JB Body Resto!

I used to cut cars for a living, 35 years ago. I'd never start with anything higher than 1000 wet, and if it's just pick scratching 1500. then 2000, 3000 trizac, and glaze. I'll repeat, you have no idea if it's been done before, and if it has been, you will burn thru the top layer.
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post #8 of 12 (permalink) Old 07-27-2016, 09:57 PM
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Re: 1995 540S JB Body Resto!

BTW the same holds true for new guitars. I took glaze on a foam pad to a small scratchy spot on a new guitar a few years ago and got the ring started. I had to dump the guitar at deep discount. Basically you have no idea how deep they dry sanded it on the table in Japan before they put the wheel on it, or how thin the clear layers were to start with. DNA's have incredibly thin clear and I would never recommend even thinking of wetsanding one.
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post #9 of 12 (permalink) Old 07-27-2016, 10:08 PM Thread Starter
 
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Re: 1995 540S JB Body Resto!

Your approach is similar to mine.

Abrasives technology is hugely advanced compared to where it was just a decade ago. Even when you look at the composition of pads. It's lightyears ahead.

I use very expensive polishes that contain diminishing abrasives and apply them on pads meant for very light cutting at most or polishing at the least. The majority of burn-throughs occur when the polisher develops too much heat (pad spinning too fast or slow arm speed manning the machine) or is driving a pad that is too firm for the job.

As you said, the idea isn't to wholly treat the finish as an automotive finish, but the same principles apply, though in smaller and more careful application. Best to assume someone's already wrecked the clear when building an approach. I'd hate to have to shell out money to repaint someone's baby.

Cheers,
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post #10 of 12 (permalink) Old 07-27-2016, 10:16 PM
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Re: 1995 540S JB Body Resto!

It doesn't matter how careful or experienced you are if you don't have enough top clear layer to start with

Just a word of advice from somebody that knows what they're doing, has never taken anything but the cautious approach, and have still created too many fog rings. There will still be jobs I have to put the foam pad on, but I know the reality is, it'll happen again thru no fault but the circumstances.
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post #11 of 12 (permalink) Old 07-28-2016, 01:01 AM Thread Starter
 
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I get it. What I'd love to have is a paint depth gauge. May the carnuba stay near and the fog rings far, my friend.
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post #12 of 12 (permalink) Old 07-28-2016, 01:03 AM Thread Starter
 
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Quote:
Originally Posted by Tuga666 View Post
Uauu looks like new, well done!! I have work for you
Bring it! Or send it??
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