Quote:
Originally Posted by cody
There's like a foot and a half of DP that runs up along the firewall...and it's the hottest part of the DP. I'd ventrue to say that most of the heat that escapes through the DP's body, finds it's way into the engine bay. A piece of sheet metal around the DP might help, but sitting on top of the turbo, it's not going to do the best job at keeping the heat in the pipe. The Crucial is a great buy when you consider the lack of issues people have with them, the forever warranty, and the great design.
When Ed tuned my car the first time, he was uber impressed with the boost response. The first thing he asked was what DP I was running. When I told him, he said something to the effect that it apparently lives up to the hype. He found tuning my boost easier and that my car recovered boost faster than normal. This is when I was on the stock solenoid. My power levels ended up being about what you'd expect for my setup. Most of my CBE is totally overkill, but I'm just a turbo, TMIC and injectors away from an upgraded turbo if I ever choose to upgrade.
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With airflow from the hoodscoop, the only heat from the DP that can heatsoak the TMIC is radiant heat, i.e. line-of-sight between the DP and the IC, which is just the top of the DP that's normally covered with a heat shield. Is not like there's a mass of warm air from the DP limiting the effectiveness of the intercooler... the IC gets fresh air.
I'm still not sold that keeping the heat in the DP does anything for performance of the DP. Keeping the heat out of the intercooler, sure! But I don't know that there's any real benefit to exhaust flow.