M105 hits like a little girl...

I

imported_shine

New member
...when combined with Corvette clearcoat. Luckily, it wasn't getting a full correction job, but black Edge wool and M105, OC30/M105, SIP, and HTEC all barely put a dent in the deeper swirls. Max RPM was about 1800. The paint didn't appear too bad under the sun either. Maybe the color was deceiving me (white). Is there something stronger that wouldn't be too dangerous to cut hard vette clear? :nervous2: I've read about Presta-something and 3M Extra Cut, I think it is. How do these stack up to M105?
 
It's weird, I've used a whole range of "heavy" compounds, and I find them all pretty similar in terms of cut (not in terms of use, not even close). I've heard a number of people mention they can't get 105 to cut heavily - I find it's cuts very hard and fast. How are you using it? I think too many people are using it like Powergloss or OHC, working it for a long time. It cuts best when worked very quickly, ime.



In any event, to answer your original question you may want to try Presta Ultra or Presta 1500, or CG 1000 (Diamond Cut). I find 105 to cut very similar to the presta 1500. The other two (Ultra and CG 1000) are like liquid sand, very very heavy cut. Just be aware that with either you'll normally get some very serious halograms (at least in my experience).
 
SIP is designed for ceramic clear. It should cut corvette clear. With a wool pad I'd think that would take out serious marring. How deep are the defects?
 
Presta Ultra Cutting cream and the black edge wool is a heavy combo that works well for me. I used this combo last week on ss paint to remove heavy scratches and swirls. I followed that with 3m Swirl Mark Remover. As already stated it's very gritty and when you spread it on the area you can actually see the grit. I worked it at 1500 and ended at 800 with good correction.
 
Picus said:
It's weird, I've used a whole range of "heavy" compounds, and I find them all pretty similar in terms of cut (not in terms of use, not even close). I've heard a number of people mention they can't get 105 to cut heavily - I find it's cuts very hard and fast. How are you using it? I think too many people are using it like Powergloss or OHC, working it for a long time. It cuts best when worked very quickly, ime.



In any event, to answer your original question you may want to try Presta Ultra or Presta 1500, or CG 1000 (Diamond Cut). I find 105 to cut very similar to the presta 1500. The other two (Ultra and CG 1000) are like liquid sand, very very heavy cut. Just be aware that with either you'll normally get some very serious halograms (at least in my experience).
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When using straight M105, I did one quick, one way (not up & down, just side to side-- tested a small, longish area) at around 900-1000RPM and quickly sped it up to 1800 or so. Working time was well under 10 seconds. I was making progress, but I was trying all of these polish/pad combinations on the same panel and still had some swirls left (not buffer induced, which HTEC did a great job of doing, BTW). Maybe I should have applied more pressure as I didn't give it much to begin with.



I was reading through some older C&Bs and I think it was mentioned that the C5's were harder than the C6's. Mine was a C5. I recall one thread were a decent level of correction was done with a PC. I think it was a black vette, but anyway.



Thanks for the suggestions.



Here are a couple before correction attempt pics. The defects appeared fairly light outside on a sunny day when I first inspected the car, but these may prove differently:



IMG_1179.jpg




IMG_1214.jpg




Closer...



IMG_1214_edit.jpg




IMG_1179_edit.jpg
 
Try 2400 rpm with extreme cut from High tepm, or get 3M's perfect it III Extra Cut Compound (06060). - definately the best compound to cut deep.



Those type of "swirls" are deeper scratches and will not respond easy.



If they look like this, higher rpms are needed with wool. You may also try an orange or yellow pad. (lower rpm like 1800rpm)



c6006-1.jpg
 
I'm raising the BS flag up high on this one. If 105 with a wool pad isn't cutting the clear down on a Corvette it's either user error or something is on the paint that isn't allowing you to cut into it? Are you mistaking the swirls you're trying to remove with the ones you're creating?
 
I don't think it's BS, I just think maybe there is something going on that is preventing shine from removing the scratches (perhaps usage...). I've used M105 on a few C5's now and haven't had this experience, but it's entirely possible the white a tougher color (I havent done a white C5 with M105). I'd stick with wool and try higher RPM. If that doesn't do it keep trying with HTEC, and maybe use 105 to remove the halo's from that. If neither of those work it might be time for Presta Ultra or something.
 
Picus - how is the color white playing into this equation of swirl removal difficulty? You're not polishing the base coat. Atleast I hope not.
 
I'd only see white as an issue if it were SS otherwise I'll take polishing a Vette over an Audi any day of the year!
 
M105 and the wool were definitely doing some correction, but was surprised at how little progress I was making per application. I've used M105 before on other GM clears and am aware of it's very short working time while cutting deeper defects very quickly.



Next time I will try adding some more pressure and slightly higher RPMs. FWIW, I'm finished with the car and the owner was thrilled...but I wasn't. Luckily, it was a "do whatever you think" detail and perfection wasn't the goal (for the owner).
 
Had a bottle of M105 in one hand today, and a bottle of 3M Extra cut in the other. To me, the 105 blew the 3M away. Worked much quicker and finished much, much better. I am not saying that I will not use the 3M but M105 is my favorite product on my shelf right now. (well except for maybe UltraFina or ONR, well maybe Z2 pro or is it Leatherique, I give up!! I have a lot of favorite products.)
 
fergnation said:
Had a bottle of M105 in one hand today, and a bottle of 3M Extra cut in the other. To me, the 105 blew the 3M away. Worked much quicker and finished much, much better. I am not saying that I will not use the 3M but M105 is my favorite product on my shelf right now. (well except for maybe UltraFina or ONR, well maybe Z2 pro or is it Leatherique, I give up!! I have a lot of favorite products.)
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did you work the 3M fast or slow?
 
105 couldn't do anything to this car. Every inch was like the sideskirt, while the horizontal panels were much worse. Only the 3M was able to level the paint on this M5:confused:



M5045.jpg
 
David Fermani said:
I'm raising the BS flag up high on this one. If 105 with a wool pad isn't cutting the clear down on a Corvette it's either user error or something is on the paint that isn't allowing you to cut into it? Are you mistaking the swirls you're trying to remove with the ones you're creating?
Click to expand...





I have to agree with you on this one.....:bigups
 
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