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> Painting intake tubes, Does color make a difference?
retrofit
post Jul 9 2007, 11:51 PM
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Is there any evidence that painted EFI intake tubes will make the engine run hotter/cooler depending on the color?
Over at 914 groups someone posted that when he painted his intake tubes black the engine ran 20* hotter.
So if you paint the tubes a light color (reflective, not absorbing heat?) it will run the same or, cooler?
I have seen nicely detailed engine bays where the plenum and intake was painted the body color. Could this be a functiional mistake? (IMG:style_emoticons/default/confused24.gif)
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Posts in this topic
retrofit   Painting intake tubes   Jul 9 2007, 11:51 PM
Dan (Almaden Valley)   Is there any evidence that painted EFI intake tub...   Jul 10 2007, 12:14 AM
messix   DUH! yellow is faster! :stooges: i doubt...   Jul 10 2007, 12:19 AM
Johny Blackstain   Does'nt make sense to me. How could black aff...   Jul 10 2007, 07:17 AM
SirAndy   no light in there? Color affects temp on a visua...   Jul 10 2007, 11:52 AM
So.Cal.914   no light in there? Color affects temp on a visu...   Jul 10 2007, 12:05 PM
Pat Garvey   no light in there? Color affects temp on a visu...   Jul 10 2007, 09:04 PM
Krieger914   From the factory they are painted. Maybe someone ...   Jul 10 2007, 08:41 AM
toon1   the person who stated that needs to put down the c...   Jul 10 2007, 11:35 AM
SirAndy   Is there any evidence that painted EFI intake tub...   Jul 10 2007, 11:49 AM
Demick   Andy is right. In theory, the black runners will ...   Jul 10 2007, 12:05 PM
toon1   If i put two parts in an oven, one white and one b...   Jul 10 2007, 12:16 PM
brer   If i put two parts in an oven, one white and one ...   Jul 10 2007, 12:26 PM
SirAndy   If i put two parts in an oven, one white and one...   Jul 10 2007, 12:38 PM
Johny Blackstain   If i put two parts in an oven, one white and one ...   Jul 10 2007, 02:35 PM
brer   heat is radiation. I believe they were painted a ...   Jul 10 2007, 12:24 PM
toon1   interesting, good thing I am gong with chrome P co...   Jul 10 2007, 12:45 PM
Demick   Once again, yes the black runners will absorb more...   Jul 10 2007, 01:08 PM
brer   the radiant source is the engine tin which is sign...   Jul 10 2007, 01:28 PM
toon1   blow up your motor with the wrong color paint...   Jul 10 2007, 01:37 PM
Demick   Wow. This thead has taken an interesting turn. T...   Jul 10 2007, 01:38 PM
SirAndy   The factory decided to put the stock 2L engine ai...   Jul 10 2007, 02:02 PM
retrofit   The factory decided to put the stock 2L engine a...   Jul 10 2007, 02:17 PM
toon1   the question was, would you see hotter head temps ...   Jul 10 2007, 01:45 PM
brer   thats called sarcasm.   Jul 10 2007, 01:46 PM
toon1   thats called sarcasm. I know, it was great...   Jul 10 2007, 01:49 PM
brer   phew, recovered on that one. B)   Jul 10 2007, 01:52 PM
So.Cal.914   phew, recovered on that one. B) :rotfl:   Jul 10 2007, 02:30 PM
Johny Blackstain   Heat is not light. Light can emit/project heat bu...   Jul 10 2007, 02:13 PM
SirAndy   Heat is not light. sure it is ... photons wavin...   Jul 10 2007, 02:44 PM
Johny Blackstain   Heat is not light. sure it is ... photons wavi...   Jul 10 2007, 02:46 PM
SirAndy   Heat can emit light & light can emit heat but...   Jul 10 2007, 02:49 PM
Johny Blackstain   like i said, you might want to walk down to the l...   Jul 10 2007, 03:06 PM
SirAndy   Oh yeah, why don't you mail me a book instead...   Jul 10 2007, 03:20 PM
Demick   But the black pot in the oven actually gets hott...   Jul 10 2007, 03:42 PM
Johny Blackstain   There are many ways to add heat to an object. Bu...   Jul 10 2007, 03:50 PM
John   Heat is not light. Light can emit/project heat b...   Jul 10 2007, 08:18 PM
So.Cal.914   This sounds like a mythbusters moment, whos goi...   Jul 10 2007, 02:35 PM
Air_Cooled_Nut   The runners are very short and the air RUSHING thr...   Jul 10 2007, 02:38 PM
toon1   [quote name='SirAndy' post='921765' date='Jul 10 ...   Jul 10 2007, 02:39 PM
jaminM3   If you think about it, in modern cars almost every...   Jul 10 2007, 02:42 PM
Johny Blackstain   If you think about it, in modern cars almost ever...   Jul 10 2007, 02:45 PM
brer   but thats plastic dude. totally different head.   Jul 10 2007, 02:46 PM
jaminM3   but thats plastic dude. totally different head. ...   Jul 10 2007, 03:27 PM
por73914   :popcorn:   Jul 10 2007, 02:54 PM
SirAndy   again, heat and light are just two different words...   Jul 10 2007, 02:59 PM
toon1   Is there any evidence that painted EFI intake tub...   Jul 10 2007, 03:00 PM
So.Cal.914   Einstein, paging Dr Einstein... Those darn teache...   Jul 10 2007, 03:00 PM
914nerd   I believe the distinction you are looking for is t...   Jul 10 2007, 03:34 PM
Johny Blackstain   Quite frankly I'd paint them pink at this poin...   Jul 10 2007, 03:38 PM
por73914   Quite frankly I'd paint them pink at this poi...   Jul 10 2007, 03:40 PM
orthobiz   Quite frankly I'd paint them pink at this po...   Jul 11 2007, 08:06 AM
brer   pink is definitely hot.   Jul 10 2007, 03:45 PM
kwales   Ya know, there is a reason they paint the top of t...   Jul 10 2007, 04:40 PM
Johny Blackstain   Lesson learned- never argue Physics w/ a German :...   Jul 10 2007, 04:50 PM
So.Cal.914   Lesson learned- never argue Physics w/ a German ...   Jul 10 2007, 04:56 PM
TonyAKAVW   Well, the truth is that light is the abscence of d...   Jul 10 2007, 05:46 PM
SirAndy   Or, you could try blocking the Bloch waves. i to...   Jul 10 2007, 06:13 PM
messix   chit ! i swear half of these posts sound lik...   Jul 10 2007, 07:55 PM
John   Geez, I almost forgot. For all practical purposes...   Jul 10 2007, 08:27 PM
Cap'n Krusty   "Just because you can't see it, it's ...   Jul 10 2007, 08:28 PM
John   "Just because you can't see it, it's...   Jul 10 2007, 08:32 PM
Cap'n Krusty   "Just because you can't see it, it...   Jul 10 2007, 11:00 PM
Johny Blackstain   So Andy, what would you like to argue about tomorr...   Jul 10 2007, 08:35 PM
Dan (Almaden Valley)   So Andy, what would you like to argue about tomor...   Jul 10 2007, 08:36 PM
porschecb   Try this! I do not drive my car much but I us...   Jul 10 2007, 09:07 PM
por73914   If I paint my air cleaner white would I have cold ...   Jul 11 2007, 06:42 AM
Scott Schroeder   based on this thread, I realise how much I did not...   Jul 11 2007, 10:24 AM
Johny Blackstain   based on this thread, I realise how much I did no...   Jul 11 2007, 02:55 PM
914nerd   What, no pink?   Jul 11 2007, 04:17 PM
Brian Mifsud   Fellas, The Elephant in the Room that no-body is ...   Jul 11 2007, 04:45 PM
brer   black intake runners will run hotter.   Jul 11 2007, 05:12 PM
TonyAKAVW   green yellow and black = Cool Runnings.   Jul 11 2007, 05:35 PM
BiG bOgGs   With all of this wondedrful quoting of theory how ...   Jul 12 2007, 06:59 AM
SirAndy   I have heard that Harley riders have noticed that...   Jul 12 2007, 10:33 AM
por73914   What are we talking about? :popcorn:   Jul 12 2007, 07:12 AM
toon1   I have heard that Harley riders have noticed tha...   Jul 12 2007, 10:56 AM
brer   the dominant heat source in an engine environment ...   Jul 12 2007, 11:11 AM
Brian Mifsud   Academic Masturbation... :miles: :chair: :r...   Jul 12 2007, 11:58 AM
rhodyguy   non oem intake gaskets for 1.7/1.8. pelican, 022 1...   Jul 12 2007, 12:35 PM
rhodyguy   non oem intake gaskets for 1.7/1.8. pelican, 022 1...   Jul 12 2007, 12:36 PM
Johny Blackstain   Umm, didn't Harley go to Porsche & have th...   Jul 12 2007, 01:15 PM
rhodyguy   if one wanted to go to the exspense of having the ...   Jul 12 2007, 01:22 PM
brer   Nobody is saying to paint your aluminum cylinders ...   Jul 12 2007, 01:23 PM
Brian Mifsud   A good designer considers every decision no matte...   Jul 12 2007, 02:51 PM
jaminM3   Ya think maybe harley did it for asthetic reasons?...   Jul 12 2007, 01:32 PM
por73914   :agree: Just put some paint on there and let us k...   Jul 12 2007, 01:33 PM
brer   you guys are ruining the fun by making it simple. ...   Jul 12 2007, 01:52 PM
por73914   :chair: How about gold leaf like the F1 :lol: Ho...   Jul 12 2007, 02:01 PM
brer   :drooley:   Jul 12 2007, 02:11 PM
BiG bOgGs   Come on guys! Quit it with the IF IT WORKED i...   Jul 12 2007, 09:10 PM
flesburg   I am not an engineer, let alone one who understand...   Jul 12 2007, 09:29 PM


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