ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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Hi,
Just in the process of cleaning the car, and unearthed a bottle of G3 Cutting compound in the shed. Whats the best way to use it? My bonnet is fucked paint wise, as is most of the car , so what would be best for the whole car? Best technique, etc.
Cheers,
Chris
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CorsAsh
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Registered: 19th Apr 02
Location: Munich
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Use it like you'd use T-Cut. Just don't go mad with it.
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dan_almond
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Registered: 27th Sep 05
Location: Salisbury, Wiltshire
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Rotary polisher mate. By hand will make things far worse IMO as the polish will not break down properly.
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ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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I see, we have a rotary polisher, but its an utter cheap shite of a thing from woolworths .
Wasnt even too sure on using t-cut, just dry the car, rub on, leave it to dry to a haze, buff off?
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Superlite Ltd.
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Registered: 9th Jan 07
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quote: Originally posted by dan_almond
Rotary polisher mate. By hand will make things far worse IMO as the polish will not break down properly.

read this site
http://www.polishedbliss.co.uk/
[Edited on 22-05-2007 by Superlite Ltd.]
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ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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quote: Originally posted by Superlite Ltd.
quote: Originally posted by dan_almond
Rotary polisher mate. By hand will make things far worse IMO as the polish will not break down properly.

read this site
http://www.polishedbliss.co.uk/
[Edited on 22-05-2007 by Superlite Ltd.]
Cheers mate 
Going to have to do it by hand though, dont have the sort of polishing heads that they use. Anything will be better than it is now TBH
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dan_almond
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Registered: 27th Sep 05
Location: Salisbury, Wiltshire
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Best thing by hand mate is Autoglym Super Resin polish. Then apply a couple of coats of wax afterwards.
G3 by hand will be a bit of overkill mate. Will do more harm than good.
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ed
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Registered: 10th Sep 03
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Wouldn't use G3 by hand, wouldn't use it for paint restoration either. It's far too coarse as it's meant for flatting back paint.
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loo_goblin
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Registered: 14th Jul 04
Location: Horsham, West Sussex
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i use G3 and use a machine
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wilson_sri
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Registered: 31st Aug 04
Location: Dunfermline Drives: Technics 1210s
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Wouldnt use G3 if you havent got any buffing experiance, as ed says its very coarse!
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STEvieXE
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Registered: 21st Jan 03
Location: Ballymena N.I.
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g3 is used for restoring paint
dont use it by hand as its very easy to rub thru the paint whilst doing it by hand if you concentrate on one spot too much
its not as corse as it used to be
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loo_goblin
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Registered: 14th Jul 04
Location: Horsham, West Sussex
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g3 is the least coarse one, g10 is the one to avoid.
i did g3 by hand once, but that was due to my machine getting wet and blowing up.
if done by hand be more gentle, but apply like a polish
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ed
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Registered: 10th Sep 03
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Wouldn't it be better to use something like that 3M stuff that's made for paint restoration. I have completely forgotten the name though now so i'm useless...
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ed
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Registered: 10th Sep 03
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3M Finesse-It is the stuff I was thinking about. It's what I used on my old car to get it looking better again
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ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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Well, I used some on the bonnet, then it started raining, so I left it. Made no difference to the bonnet, the paint is too fucked IMO, really needs resprayed.
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dan_almond
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Registered: 27th Sep 05
Location: Salisbury, Wiltshire
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Whats wrong with the paintwork mate. Have you got any pics of the damage?
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Scotty_B
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Registered: 11th Jun 03
Location: East Kilbride
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Make sure the surface is soaking wet before applying the compound and always use a rotary polisher with G3. You can use G10 by hand as it's much less coarse.
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ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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quote: Originally posted by dan_almond
Whats wrong with the paintwork mate. Have you got any pics of the damage?
Ill get some, but at the top of the bonnet, its not so bad, but all around the bottom is fucked, no shine at all, cant really describe it, all faded and buggered really.
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Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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Guy at Vauxhall used this by hand and removed a big ass scratch on the roof of my astra within a minute
Was well chuffed
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Scotty_B
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Registered: 11th Jun 03
Location: East Kilbride
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Get a bodyshop to give the bonnet a mop, they'll do a better job and tell if it can be fixed.
I've used it to bring a pink Astra back to red and it works brilliantly.
I'll say again though, soak the panel before use.
[Edited on 23-05-2007 by CorSRi_BT]
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ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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The bonnet:


Fucked 
Anyway, tried the G3 again on some other wee scrathes around the car and oh my fucking god, this shit is brilliant   
Took out loads of little scratches on the passenger rear quarter, Im going to get a rotarty polisher head, can these be used on a grinder?
Im looking at this one:
http://cgi.ebay.co.uk/ORANGE-COMPOUNDING-MOP-HEAD-14mm_W0QQitemZ140118077795QQihZ004QQcategoryZ30923QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
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ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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ttt, anymore info on a rotary polishing head?
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1_Litre_Porsche_Beater
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Registered: 9th Apr 02
Location: Kent
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quote: Originally posted by loo_goblin
g3 is the least coarse one, g10 is the one to avoid.
i did g3 by hand once, but that was due to my machine getting wet and blowing up.
if done by hand be more gentle, but apply like a polish
G10 is less abrasive than G3, 3M Finesse is just another manufacturers version of G3.
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craig8
Premium Member
Registered: 31st Dec 04
Location: Glasgow
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quote: Originally posted by ChrisBoom
ttt, anymore info on a rotary polishing head?
dont bother unless you can control the speed of the grinder
E36 328
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ChrisBoom
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Registered: 6th Dec 06
Location: Highland
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quote: Originally posted by craig8
quote: Originally posted by ChrisBoom
ttt, anymore info on a rotary polishing head?
dont bother unless you can control the speed of the grinder
Ahh, would a grinder be too quick?
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