Meguiars M105 & Meguiars Ultimate Compound

No, 105 has more cut. UC is the consumer version that has less cut and is easier to work with. Both are good and have their place.
 
no fillers but does leave behind polishing oils that can mask remaining defects if not removed.

sometimes UC can finish lsp ready. It's good practice to clean the residual oils for the reason mentioned above or if you are using a sealant that requires a clean surface to bond to the paint.

It's not as critical for waxes but we're all about overkill here at AG...
 
would you use UC for a brand new car to create produstion swirls and imperfections? anything better?

assume not a one week old paint job, but a fully cured job like a BMW or Benz......made overseas...
 
glen e said:
would you use UC for a brand new car to create produstion swirls and imperfections? anything better?

assume not a one week old paint job, but a fully cured job like a BMW or Benz......made overseas...
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I'd say in that case both of those products would be overkill for a new paint job. Remember to always use the least aggressive approach possible. If you want to stick to using the Meguiars line, i'd try scratch X first since its less aggressive than ultimate compound.
 
Try M205 first. If that doesn't work, try UC. Even though both are compounds, M105 still has noticeably more cut than UC.
 
07 z-oh-6 said:
Try M205 first. If that doesn't work, try UC. Even though both are compounds, M105 still has noticeably more cut than UC.
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:iagree: I have had really good results with UC. If I use M105 I will have to step down to a fine/finishing polish afterward. But I have been able to finish LSP ready about 90% of the time with UC.
 
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