Originally Posted by cjernigan
(Post 359440)
You spent all that money on your car to make it a track machine and you don't have a cold air box for your intake? Seriously man what gives?
Originally Posted by jedduh01
(Post 359453)
+1
And you still have the cruise control operational... along with EGR Canister... and OBD bracket and connection box still in sight. Beautiful car tho....built right. Sorry about the thread jack. back to the DIY heatsheild thread please. |
Originally Posted by patsmx5
(Post 359218)
Coating may work slightly, but not much. The shit's too thin to do anything meaningful. If you put 1/2" of the coating on, it would help. But .006" worth ain't shit.
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I'm going to try that license plate heat shield I saw a while back.
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Swain Tech White-Lighting ftw
White Lightning Exhaust by Swain Tech for Automotive Coatings including engine piston coatings, ceramic coating services engine, automotive ceramic coating, ceramic header coating, dry film lubricant, race engine coatings, exhaust header coating The only "ceramic" coating that will have a measureable effect. I plan on one day getting my turbine housing, manifold and downpipe all coated by Swain Tech. |
Originally Posted by Turbo_4
(Post 359606)
I'm going to try that license plate heat shield I saw a while back.
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Hustler gave me a good idea. I'm putting one of my mt.net stickers on my box when it's finished. :)
Getting back ON TOPIC... Should I build two layers of steel over the turbine? The OEM part is two layers of steel, but they're pretty much touching each other. I could build the part that goes around the turbine say 1/4" clearance around the turbo, then a second layer riveted over it with a 1/8" air gap or something like that. Would an air gap make much difference between the two shields? I would think so. |
Originally Posted by patsmx5
(Post 359734)
Hustler gave me a good idea. I'm putting one of my mt.net stickers on my box when it's finished. :)
Getting back ON TOPIC... Should I build two layers of steel over the turbine? The OEM part is two layers of steel, but they're pretty much touching each other. I could build the part that goes around the turbine say 1/4" clearance around the turbo, then a second layer riveted over it with a 1/8" air gap or something like that. Would an air gap make much difference between the two shields? I would think so. |
Better yet layer a thin blanket of fiberglass between the two. You could use the sheet version of the exhaust wrap tape.
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1 Attachment(s)
Attachment 208764
It's a good thing my turbo has hot water running through it, or it would ice up with my shield. |
seal up the two pieces of metal on the outside, and create a vacuum on the inside, like a thermos.
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Looking at various people's setups the question arose in my mind, does the length of tubing pre-turbo to the filter matter at all? SamS's for example is very long whereas some have but a few inches..
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Originally Posted by ThePass
(Post 359918)
Looking at various people's setups the question arose in my mind, does the length of tubing pre-turbo to the filter matter at all? SamS's for example is very long whereas some have but a few inches..
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Two layers is always going to be better for insulating because air is the insulator.
You stop the radiant heat with the shield, and the convective heat with the air gap. Double win. Most people don't spend the time/money/effort to do a second layer, but it will help. |
Yeah, air gap FTW. I need to learn more about heat transfer. Like how shields reflect heat and all is news to me. Never saw it that way. Taking Thermo II now and heat transfer next semester though. :)
lol at your sig.... |
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I made mine using aluminum sheeting and aluminum bars from home depot. stuck it together with rivets and bent the bar by hand. everything is cool to the touch around it so it's stopping all the radiant heat beautifully.
Attachment 208749 |
Mine is a single-layer steel construction, with the whole inner surface (top, side, rear) lined in Thermo Tec aluminized fiberglass blanket (this is why there are so many rivets; some of them are holding trim strips that retain the blanket). After a long drive, the outer surface of the shield, while warm, is cool enough to lay your hand on. If you really want to keep the heat in, but can't quite manage fully dual-layer construction, just line the inside with this stuff.
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4 Attachment(s)
Here's the one that I built tonight. It's not perfect and the 1,200* paint didn't lay down that well, but it will work.
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^^ Hey I like that. Any chance I could get a drawing for the sheet patterns?
EDIT: Never mind, wrong manifold. Looks easy enough to pattern up though. |
Originally Posted by ZX-Tex
(Post 361947)
^^ Hey I like that. Any chance I could get a drawing for the sheet patterns?
EDIT: Never mind, wrong manifold. Looks easy enough to pattern up though. |
That's a very nice looking cover, Stein. I really wish I could have figured out a way to mount mine to the body rather than the engine, as it would have saved a lot of frustration with the early versions failing due to vibration. It took several tries to come up with a design that wouldn't crack in short order. With the placement of the turbo on the Greddy manifold however, there was nothing for it.
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