Purple polish dominates. Look what it did to my plenum: Now look what it did to my kettle: The evidence is irrefutable :zlove:
Ah thanks, so faster and hotter = better polish. I went over it with a machine used for polishing.. also a Mother's Power cone. Not sure what they use in the industry though, but it'd be handy to know. Although i noticed doing it by hand with a cloth brought the shine out much much better than the machine. Although the machine helps bring out the shine quicker... it never quite managed to get the "mirror shine" i was after.
Wet sand by hand with 2000 grit paper, in a cross-hatch pattern. Then hit it hard with the metal polish. This will make it a mirror finish, assuming that the main 'dimples' of the casting finish is ground down. Those hair-line cracks are gouge marks from the higher grit abrasives. Just local sanding should get them out with a bit of patience, be careful not to work too hard on one spot though, it will make a lunar-landscape of the metal and lead to irregular reflection, ie not a mirror finish.:zlove:
Well done it looks really good. You could also get it cleared so you dont have to spend so much time cleaning it... Also this product is pretty good to use.. http://www.justtools.com.au/prod3111.htm I have used a product like this before to polish up metal bullbars on Toyota's. Best really is a bench polisher just like a bench grinder but for polishing metal
before you put it back together, paint the cam covers and rocker covers...will look alot better than leaving them unfinished...fairly good job on the plenium.
I bought one of those, but its too bulky for the finer detail on the plenum. Great for the tops of the runners and sides, but catch an edge, and it throws the chuck of your drill right into your smooth polished section Also have the Josco attachments for the pedestal grinder. Same outcome really, as the big polishing wheel has its limitations re manouvreability.
Thats true it can be a pain in the arse its really good for doing big pieces of metal not in little gaps etc. I tryed it on an aftermarket plenum for a VL turbo come up a treat tho but it didnt have little gaps etc like the 300 one does. The purple metal polish is one of the best on the market.
minor dig... About to start a plenum polish project, is there a treatment I can do once it's done to stop oxidation occurring? What is this "getting it cleared"? and sealing? professional clear coat on top?
Nice I am most of the way through mine, got sick of it so did the water pipes and now doing the CAS before I go back to the plenun, Think I will get someone else to do the throttle bodies as the are to fiddley. The thing I am debating at the moment is wheter or not to remove (as in grinder) the mounting points for the stock fuel stuff, as im thinking of modifying my stock rail (cutting ends off, boring out and using much larger diameter connectors) and of course a after market FPR. (fuel line, filter, fuel into rail flowing around to the out side which goes to the FPR and back to the tank)
All of em' Im thinking the 3 near the dampner, the three where the stock FPR lives and the 2 either side at the front that are used to brackets to restrain throttle/cruise control cables
