Saab Link Forums banner

Polishing...

4.7K views 53 replies 20 participants last post by  kenavery7  
#1 ·
Well ive had some time recently, and ive been polishing some items.
1 is the valve cover, and
2 is the DI rack.

i finally got the DI done today, and it looks really good. Not as impressive as a couple others on here, but my car is my Daily driver, and i just wanted something a little different and something that i could polish up for a show, so its got some Bling Bling.

I have the valve cover almost ready to be polished out. it just needs to get hit with some 200, 400, 600 and 800 grit sandpaper. then it will just need to get buffed out.

the steps,
get them media blasted. (guy i went to used walnut shells because they leave the least profile). i got both the DI and valve cover done for 35. 15 for the DI and 20 for the valve cover. then sand with many grits of sandpaper. then buff with a polishing wheel and some compound.

here are some pics that you are all probably wanting to see.
this is me trying to get the paint off myself:
Image


and this is after media blasting:
Image


more post media blasting:
Image

Image

Image

Image


halfway through buffing the DI:
Image


Image


more pics to come soon. the DI is completely done to what i want it to be, but i have to snap some pics and upload em.

Nick
 
#4 ·
saabindru900 said:
damn man..... thats a lot of work. Too bad you didn't have a sand blaster to take the first black coat off.
I almost had a sandblaster. i took the parts to a media blaster who used walnut shells instead of sand. it was also in my previous post. but yeah, it is a lot of work. but its entertaining seeing the people walk by my door, seeing me in my room polishing stuff. lol

Nick
 
#6 ·
WALNUT SHELLS!!!!
take it to a shop that does sandblasting. you can't use walnut shells on powdercoat, that is a job for sandblasting. and if you want, i might be polishing the valve cover thats on my car to sell. ill have to look into how much time it takes to do this one. lol

Nick
 
#8 ·
ok so find a sandblaster. that is the absolute best way to get the black paint off. see my first post, and the first picture. i tried to get the black paint off myself and got nowhere fast. that little bit i got off took probably 2 hours...not fun lol.

and to polish, i went to home depot and found a great little kit. its got 3 sized cotton buffing wheels, a drill adapter (works amazing with a corded drill that spins to 2500rpms), and three different buffing compounds. grand total on the package, 9 bucks. best deal ive ever found at home depot.

Nick
 
#9 · (Edited)
#13 · (Edited)
oh man...a few more tricks up your sleeve. better hang on guys, cause it sounds like something huge and new is coming, other than insane amounts of power.

and yeah, for anyone taking the steps to do this, it is truly all about the prepping. ive used so much 80 grit sandpaper to get all the imperfections out of the cast aluminum, that i cant even count the sheets. AND THEY STILL ARENT PERFECT!!! but again, like i said before, this IS my DD, so i didnt want it to be so perfect that i was afraid to get them a little dirty. i really just wanted something that with a little elbow grease for a few minutes before a show, would polish up nicely and i wouldnt be ashamed of popping my hood, like we all were at that Worcester show, and i now have what i wanted, with the DI at least, since thats all that is finished right now. pics of the DI in the car are coming tomorrow probably.

Nick
 
#14 ·
and some of you might call me crazy, but i found that all this sanding and work, is actually kind of fun. as you progress doing the work, you see sides of parts that have once been black paint, that turn to dull dull aluminum with many imperfections, to smooth metal, then to shiny smooth metal. i kind of like it, it keeps me busy when i have nothing to do, and the past week here in maine has been really good weather, so i was sitting out in the sun doing it. its a great sense of accomplishment when people walk by and say "wasnt that black a few days ago? it looks really nice now."

but then there are the ones that always ask "why?", and my response to them is "if you have to ask why, you wouldnt understand!"

Nick
 
#15 ·
StX221 said:
. AND THEY STILL ARENT PERFECT!!! but again, like i said before, this IS my DD, so i didnt want it to be so perfect that i was afraid to get them a little dirty. i really just wanted something that with a little elbow grease for a few minutes before a show, would polish up nicely and i wouldnt be ashamed of popping my hood, like we all were at that Worcester show, and i now have what i wanted, with the DI at least, since thats all that is finished right now. pics of the DI in the car are coming tomorrow probably.

Nick
don't worry about getting them perfect.......trust me........you will never get them perfect. i kept sanding and sanding and sanding and the pourous casting was forever staring back at me. i finally had to say 1 more hour and that's that.
 
#16 ·
StX221 said:
.....
but then there are the ones that always ask "why?", and my response to them is "if you have to ask why, you wouldnt understand!"

Nick
I like that little quote :)...

But yeah, I will be making a trip to Home Depot to look for that polishing kit... :)... I need to refinish my aero wheels too ;)
 
#17 ·
daveship said:
don't worry about getting them perfect.......trust me........you will never get them perfect. i kept sanding and sanding and sanding and the pourous casting was forever staring back at me. i finally had to say 1 more hour and that's that.
yeah, with the DI, i got it as best as i could. pictures help my cause, but if you see it in person, there are still some casting marks, and the letters on the DI are a pain in the ass. i could not figure out how to get at them, so i just kind of went around em and got them as best as i could. they seem to have been gotten pretty well, which i am happy about, but its definitely not perfect.....but i can deal.

Nick
 
#20 ·
mcrowley said:
Hey I popped my hood! :)
And I dare say you had good reason to :p It was purdy in there, especially for the winter!

Nick, the DI looks sick, cant wait to get this c900 valve cover sand blasted this weekend, and start polishing it next week. Ill bring up a dremel with a polishing wheel if I can find one and Ill definatly bring up my buffing wheel.

-Ryan
 
#21 ·
StX221 said:
WALNUT SHELLS!!!!
take it to a shop that does sandblasting. you can't use walnut shells on powdercoat, that is a job for sandblasting. and if you want, i might be polishing the valve cover thats on my car to sell. ill have to look into how much time it takes to do this one. lol

Nick
sorry in one of the pics it looked like you had been using a stripped on some clothes...i have a sandblaster:cool:
 
#25 ·
Man that looks like fun! For those letters on the DI you could probably use a dremel with a sanding drum/wheel on it to get in around the letters.
I actually tried a dremel and used it for about half of the things with the DI. i cant find a sanding bit that will get in the tight areas. i can live with it, cause it really isnt that noticable.
and yes, you had a good reason to pop your hood. it was mighty clean in there.

sorry in one of the pics it looked like you had been using a stripped on some clothes
that is all the grease that was on the top of the valve cover when i picked it up, so i got it off with some paper towels.

But thanks all your your compliments. this is rather time consuming, but well worth it in the end.

Nick
 
#26 ·
Why not strip it clean and get it chromed? I know there is self-satisfaction in doing the job yourself, but can you say arthritis?

It really looks like you're doing a good job though!