Classic cars forum & vehicle restoration.

alec.elliot · Joined: 28 Feb 2012 Posts: 58 Location: Worcestershire

Hi there.

I wonder of anyone has any opinions on a good cutting compound to reduce/ remove some of the scuffs, etc on my 1936 Morris 8. It was under a tarpaulin for some time and the ropes have scuffed the paint in places.

I have tried Meguires 105 and that does not seem to have any effect at all. Likewise I have also tried T Cut with very little success either.

Not sure what sort of paint it is though. Any ideas how I can tell (it does not seem to dissolve in Cellulose thinners so I guess its not Celluose.)

All the best

ajlelectronics · Joined: 04 Oct 2010 Posts: 168 Location: Gloucester

Not surprised. Try pro stuff like Farecla. Probably G3 is the one for you, but G7 will be a little more abrasive.
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ukdave2002 · Joined: 23 Nov 2007 Posts: 4231 Location: South Cheshire

Yep, I'd agree ajlectronics; Farecla, U-Pol, 3M, all make good products used by the trade to sort paint faults out, at the end of the day they are all abrasives, its doesn't matter what the paint is, as long as the scuffs have not gone through to the primer, the scuffs / scratch's will polish out.

If your Morris has been painted in the last 25 years, it may have a base colour (matt paint) followed by a clear coat; in this case it may only be the clear coat that is damaged, check by cutting the paint with something like G3, if there is colour on the cloth, its a solid paint, if not its a clear over base.

Dave

alec.elliot · Joined: 28 Feb 2012 Posts: 58 Location: Worcestershire

Thanks Guys. I will give the G3 a go and see how I get on.

All the best

bob2 · Joined: 06 Dec 2007 Posts: 1728 Location: Malta

The g3 should sort that out, always wet the area as well while working the compound on the paint!
Then if all goes to plan give a once over with g10 in order to take off all the swirl marks you do with the g3.

MikeEdwards · Joined: 25 May 2011 Posts: 2701 Location: South Cheshire

Keep in mind that some cutting compounds are intended to be used with a machine polisher rather than by hand, and only work properly at the temperature generated by the machine.

There's a lot of stuff on line about removing scratches and swirls, I used to regualarly visit a site called 'detailing world' and some of the photo-intensive stuff on there is eye-opening.

Desert Fox · Joined: 21 May 2013 Posts: 25 Location: Leeds

Just a note regarding polishing compounds. The likes of Farecla be it G3 etc are intended for machine use. However, unless you are experienced with a polisher be very careful. Incorrect use will damage the paint surface by burning in inexperienced hands. I only use compounds by hand to remove slight overspray.

I tested various compounds during the course of my work and found that some of the common polishing compounds are loaded with fillers to mask the imperfections when polishing. After several car washes the fillers are removed and swirls become apparent.

I use 2 types of polish that are not loaded with fillers that might be worth a look. Prometheus that is from Germany, there was a distributor in the South but I think he went bust. Bentley, Ferrari and Aston Martin sere using this as they found it was the best. Ferrari used Prometheus after having cars returned to dealers in the USA with swirl marks appearing that was costing them a fortune for using a particular brand.

Another one to try is P1 polish supplied by Gtechniq, this is also used for marine polishing. This can also be used by hand and you can even purchase a special pad for this use. This is now the only polish I use.