The stainless steel manifold had never been polished, but the nice thing about stainless is you don’t have to do all the prep-sanding that you do with Aluminum before being able to polish it. Aluminum takes 10x the effort with sanding than it does to polish. Fortunately I had already done all of that to the head and coolant neck back in ’05, so all it needed was black rouge to come back to life. Stainless is much more corrosion resistant, but tends to blue itself with heat over time. I think it cleaned up pretty well!
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22 users responded in this post
The eastman or …
The eastman or eastwood clear coat requires that you really clean the polished piece with acetone real well before applying clear coat. This dulls the piece a little , but the clear coat locks the shine in and never dulls. The problem is metal is porous like a sponge and aluminum oxidizes in the pores and gives you that white spots. The problem with the clear coat is I dont know if it will work on surfaces that get hot. I will get the can and post the directions. DSD
@DIOSpeedDemon …
@DIOSpeedDemon It’s a Milwaukee 4.5 Amp straight-shaft DIY grinder. I bought it used for $15, but googling it reveals it’s about $250. After 6 years of polishing and re-polishing with it, porting manifolds with carbide bits, and cutting sheet metal with it using a cut-off wheel, it’s on its last legs. It gets REALLY hot now and the shaft bearings are starting to go… but it’s definitely a high-torque workhorse of a tool. Harbor Freight may sell a cheaper equivalent.
GREAT WORK, 10 …
GREAT WORK, 10 STARS**********. What kind of grinder is that and where can I get one>? Beautiful Work. RESPECT RH DSD
That’s good andvice …
That’s good andvice and that worked for me for rough stuff, but I found I couldn’t do medium or fine grits with that because it either left tool marks in the part, or the finish wasn’t even. The best finishes are hand-sanded.
Yeah, that’s all I …
Yeah, that’s all I was talking about, just to shape it and get rid of the burs, when I did it, I just shaped it and painted it so it looked aftermarket. besides those die grinders are hard to control.
use an angle …
use an angle grinder with a small sanding end on it, that’s what I did with and intake once.
Yeah, and I left …
Yeah, and I left the hardest part out. Sanding. If you’re going to do this, start with a small piece and see if you have the eggs to do a larger piece. Not everyone has the patience for it. Starting a piece and not finishing it ruins the part’s finish so you don’t want to start with a big or obvious piece.
very inspirational, …
very inspirational, next stop, polish whole engine and engine bay.
Good job! Looks …
Good job! Looks awesome.
lol. If you’re …
lol. If you’re tired of polishing, then you’re doing it right.
I hand-sanded my cylinder head and all of my other aluminum parts. From 220 grit to 1200 grit for 2 months, about 2-4 hours a day. The shine comes from a high-speed polishing wheel and black, & then white rouges. I follow up the polish with Mothers or an equivalent, and then the constant maintenance begins.
Check out ZoopSeal once you’ve achieved the shine you want. My whole process is below in the comments.
What did you use to …
What did you use to Polish the cylinder head & manifold….. im tired of sanding my parts and putting mothers it sucks ass…..get me know
thats nice …
thats nice love it
haha. Yeah thats …
haha. Yeah thats what I’d care about as well. Sometimes Im all beat up and cut up from working on it. I just go clean up really quick and go for a cruise. Nothin better than that. So I can get the wheels at Harbor Freight and the rouge at truck stops? Is the rouge available at Harbor Freight as well?
The wheels are …
The wheels are flannel tripple-stitched polishing wheels. I recommend an electric power tool vs. air-powered for torque reasons, and your compressor will never cut off due to the time it takes, no matter how big it is. You can get bricks of rouge at truck stops. Sometimes they have the wheels, but you can harborfreight those cheaper. Dremels aren’t terribly useful, but they do come in handy on detail work. Cover up, that gets everywhere.
The black stuff is …
The black stuff is emery rouge (rooj). It’s a highly-abrasive cutting compound that’s usually the ideal for most materials on the first polishing pass. In the case of stainless, this is the first and last pass. This compound actually drags the molecules of the material across the surface and smoothes out the rough spots bringing out the shine. White rouge is used for the final pass on aluminum, and then a good hand polish to make it pop. There are also brown and green used for other metals.
…by the way. You …
…by the way. You have to wet-sand everything. You don’t do any of the hand-sanding dry. It took 2 months to polish my head from a rough cast because it’s so flippin’ intricate, 5 hours a night in the sink until I had no fingerprints left. Aluminum will stain skin with prolonged exposure. It’s said to cause alz-heimers in high concentration, but I don’t believe it. Besides, if I’m ever lost and disoriented, I’ll be in one bad-ass car having a good time.
When you start with …
When you start with a fresh cast, you have to smooth and de-bur everything, remove cast marks and imperfections, etc… This is pretty much the only time you can use power tools until polishing or you will see tool marks in the final finish. The best finishes are hand-sanded in at least 2 directions per grit. Starting at 220 and progressing to at least 600 before polishing. You sand until the directional grain from the previous pass is gone, then after 2 directions, step up to the next grit.
Another 5 stars …
Another 5 stars from me. Can you post a process of how you did it? How much sanding for the head? Grit? What wheel were you using? Wire wheel? And what was that black substance you were applying to the wheel? Thanks man.
WOAH man thats …
WOAH man thats really impressing!!
we shal see how …
we shal see how long it stays shinny! Especially after this long road trip coming up!
Thanks man! I …
Thanks man! I don’t do it for me.
I’ll have plenty more uploaded this week. It’s gettin’ close.
killer job man
killer job man
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