Actually, there was a guy on this forum (i think) that did a whole paint analysis, I believe he said he was a paint engineer. It was some time ago and I don't have the specific link, but painting the fins doesn't have any significant influence or insulation to the fins. To paint or not to paint is a vanity question not a physics question.V10Pilot said:I’m not using exact scientific number to prove the cooling or lack of cooling but if you put a layer of paint on a surface it’s going to hinder it slightly. Even if it does it would be just a few degrees and that wouldn’t matter on an old Honda motor. I just wanted to keep it bare because everyone seems to be painting their heads and I like my stuff to stand out.
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There was an article I put up somewhere in my post written by an aeronautical engineer on cooling performance that was pretty interesting. The chemical makeup of the paint plays the biggest role. Some paints result in a blanket effect while some actually dissipate infrared heat better than no paint at all. But yeah I’ll agree with you that when it comes to an old Honda motorcyle, the effects are nil. A few degrees this way or that way aren’t going to suddenly make a race engine or an underpowered turd. It’s about the look.dwysywd said:Actually, there was a guy on this forum (i think) that did a whole paint analysis, I believe he said he was a paint engineer. It was some time ago and I don't have the specific link, but painting the fins doesn't have any significant influence or insulation to the fins. To paint or not to paint is a vanity question not a physics question.
Btw, love the build. and I like what you did with the color scheme on the engine. I left my raw after cleaning it. I never repainted it. I hate the process, like others have said, PITA. So better that I didn't paint this one. I might build another bike after this one is over and paint that one, mainly its a complete tear down and rebuild of a non running engine. The vapor blasting looks amazing.
I used your build as reference more than once so thanks for that. Yeah the Helicoils worked as advertised. Too bad the tap and install tool are priced like they are made of silver. I think I’ll strip a few more threads just to get my money’s worthJimbonaut said:Shaping up very nicely fella. Helicoils are the business. I had to use one for a stripped cam chain tensioner thread - sweaty palm time but damn those things work great. Watching your (and a few other 750 builds at the moment) is an education as I'm working on a smilier bike right now too. Watching with interest!
Edit - I’m working on a similar bike. It’s in no way smilier.