peeeches New Member 9 Member For: 12y 4m 10d Posted 21/05/12 02:23 PM Share Posted 21/05/12 02:23 PM hey guys been a long time reader first post!so anyway decided to paint my heat shield as I was torquing all the turbo and manifold bolts. anyway tell me what you think 1 Link to comment Share on other sites More sharing options...
daztbo FLY-FPV Donating Members 474 Member For: 14y 8m 28d Gender: Male Location: Greensborough Vic Posted 21/05/12 08:52 PM Share Posted 21/05/12 08:52 PM Looks good just hope it lasts lol gets pretty got there Link to comment Share on other sites More sharing options...
Henz Tampon inserted, Auto Acquired, next purchase a new handbag Donating Members 9,946 Member For: 16y 1m 6d Gender: Male Location: Vic Posted 21/05/12 08:54 PM Share Posted 21/05/12 08:54 PM I want to do this, let me know how well it's lasting in a few weeks. Link to comment Share on other sites More sharing options...
MiKa Donating Members 4,243 Member For: 17y 8m 5d Gender: Male Location: Melbourne, VIC Posted 22/05/12 01:21 AM Share Posted 22/05/12 01:21 AM (edited) I wanna do it too...What paint did you use? How'd you do it?Hey maybe powder coated or something?? Edited 22/05/12 01:22 AM by MiKa Link to comment Share on other sites More sharing options...
Impellor Member 835 Member For: 13y 9m 5d Gender: Not Telling Posted 22/05/12 01:44 AM Share Posted 22/05/12 01:44 AM From a radiant/thermal heat perspective, the heat shield being reflective is doing its best work. If painted black it would increase its ability to draw more heat away from the turbo quicker. This heat would then translate to higher under bonnet temps( up to 8%). Buy being reflective it is actually reflecting the radiant heat back onto the turbo, and further,it is the least efficient surface colour for heat transfer. This basically means that a greater amount of heat is being restricted to the turbo area. Because as we know a turbo is spooled by heat, not exhaust flow as such. To paint it black would reduce performance marginally, especially in hot weather. Due to increased intake temps. That said, this condition would be greatly reduced on FG models (due to intake location) and earlier models not using crossover. Cheers Link to comment Share on other sites More sharing options...
Shyfrd Turboless Donating Members 5,992 Member For: 13y 1m 29d Gender: Male Location: Geelong, Victoria Posted 22/05/12 01:54 AM Share Posted 22/05/12 01:54 AM Are you an engineer by any chance impellor? Link to comment Share on other sites More sharing options...
XR6menace BANNED Banned 1,462 Member For: 16y 11m 28d Gender: Not Telling Location: banned Posted 22/05/12 01:56 AM Share Posted 22/05/12 01:56 AM (edited) No he isn't, but I cannot actually type the word to describe him that comes to mind ...I painted the foon's heatshield black month's ago and guess what impellor ? Edited 22/05/12 02:00 AM by dazzler 5 Link to comment Share on other sites More sharing options...
rbjet Skid Machine Donating Members 1,640 Member For: 12y 11m 2d Gender: Male Posted 22/05/12 01:56 AM Share Posted 22/05/12 01:56 AM I don't think anyone asking about the black paint still has a crossover in their car.What if the top of the shield was black and the underneath part was still silver. Then what happens? 1 Link to comment Share on other sites More sharing options...
XR6menace BANNED Banned 1,462 Member For: 16y 11m 28d Gender: Not Telling Location: banned Posted 22/05/12 02:02 AM Share Posted 22/05/12 02:02 AM Pretty sure wikipedia wont have an answer for that scenario mate ... hang about I might invent one and see if he cut and pastes the reply ... 1 Link to comment Share on other sites More sharing options...
Impellor Member 835 Member For: 13y 9m 5d Gender: Not Telling Posted 22/05/12 02:02 AM Share Posted 22/05/12 02:02 AM No he isn't, but I cannot actually type the word to describe him that comes to mind ...I painted the foon's heatshield black month's ago and guess what impellor ?You can still touch it can you Dazzler. That is without leaving your skin behind is it? Cheers Link to comment Share on other sites More sharing options...
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