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Originally Posted by cody
The turbo heat shield might help keep some of the DP heat out of the engine bay and from radiating at the IC, but it's a turbo heat shield, not a DP heat shield. It's kinda like leaving the house wearing nothing but a hat. Sure, the hat helps keep some heat in, but you're still losing heat like like crazy through your naked skin.
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How does heat from the part of the DP under the car radiate onto the TMIC? Your hat analogy is correct, when you consider that your head is the only thing outside.
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Originally Posted by cody
Oh, I remember this argument. Remember the "$2 spring can't be as good as the stock solenoid" argument?
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And I'd still run a stock boost controller if I was running a stock ECU. The MBC is just a simpler option because I'm running a Hydra on a race car. It's just one less thing to have to tune. But none of that matters, because we're talking about coating DPs, not MBCs. And even if I was a hypocrite about MBCs, hypocrisy isn't grounds for invalidating an argument anyway.
How about we settle this scientifically: show me the dyno of a car run back to back with a coated and uncoated DP of the same design and we'll see just how much benefit there is from reduced underhood temps and "exhaust velocity" gains. I'm sure Crucial has all this data, no? They are the stalwart of the industry when it comes to backing up their claims, after all.
I'm not doubting that there probably are some gains (at least from the lower temps, but I'm dubious on the whole flow aspect of it)... I'm just wondering whether or not the gains are worth the $200 a decent thermal coating costs, especially if a piece of sheet metal over the top of the DP works just as well.