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Buell Motorcycle Forum » Old School Buell » Archive through June 15, 2009 » Black wrinkle paint « Previous Next »

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Easy_rider
Posted on Thursday, June 11, 2009 - 02:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Has anyone here tried to coat their block with the HD spray paint? How did you prep the surface and how well did the paint hold up?
The "correct" approach would be to have the block completely stripped and cleaned. I'm not going to take the time for that. Every round of cleaning looks better. But I walk away, come back, and find room for improvement - especially with all the crevices on this thing!
Part of me says that I don't want a bunch of flaking paint that I need to correct in a few years. I'm not sure that a mc block is going to go through that much weathering that would cause the flaking, though.
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Phelan
Posted on Thursday, June 11, 2009 - 08:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you do, expect to redo (or at least touch up) every several thousand miles. Between heat changes, weather, and washes, it doesn't last like powdercoat. Even powder coat doesn't always last depending on the weathering it's exposed to. We repainted the cylinders on my Dad's FXD and after 5,000 miles they need touching up. For what it's worth, though, the MoCo used paint on the engines until '93.
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Easy_rider
Posted on Thursday, June 11, 2009 - 11:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It looked better before I looked at the pics in full resolution, but here's where I was:

Case 1


case 2

Case 3

And where I'm at:

Case 4

Case 5

Case 6

The right side has me worried the most. The stain on the top is permanent. No idea what caused it, but it won't scrub off! (Sorry for the weird angle on the clean top. That's the starter hole on the left, and the drive pulley on the right.)
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Brinnutz
Posted on Thursday, June 11, 2009 - 11:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Lookin good Roger! Hope them cams make it by Saturday!
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Pkforbes87
Posted on Friday, June 12, 2009 - 12:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Easy - that stain won't show when your starter is mounted. That engine looks good all cleaned up!

And get some rubber hose over those cylinder studs! It would really ruin your day to scratch a piston skirt by bumping something the wrong way.
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Ratbuell
Posted on Friday, June 12, 2009 - 08:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Years ago I painted the engine - in the bike - of my FLHP. Used the HD "texture black" paint. I got it good and hot, cleaned with brakleen (dries with no residue), scrubbed any tough areas, brakleen again, and painted it hot. The rough cases and jugs/heads took the paint just fine; the polished (which I'd scuffed) covers - rockerboxes, cam cover, primary cover - liked to flake once or twice per oil change. So...just got it hot, and hit it again. But the case halves and jugs/heads never peeled one bit.
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Ratbuell
Posted on Friday, June 12, 2009 - 08:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)



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Easy_rider
Posted on Friday, June 12, 2009 - 08:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks, Rat! I'm going to go for it. I had the same thoughts -- go over it with Brake cleaner to clean off any residue, bake it with a couple of halogens, heat it a little more with a heat gun, and go to town.
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Not_purple_s2
Posted on Friday, June 12, 2009 - 10:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you want to paint the polished parts you'd do well to find someone nearby that does media blasting.
Without a good texture the paint will peel just like Rat's.
The cases, and any other cast parts, are plenty rough enough to hold the paint.

(Message edited by not_purple_s2 on June 12, 2009)
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Littlebuggles
Posted on Monday, June 15, 2009 - 05:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Painted my cam cover after I cut it down with the same texture black Rat used. No idea how it'll hold up as I've not re-assembled it yet, but it's had plenty of cure time, looks great in my opinion.
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