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cool good turn out so far even with some of these ppl are maybes

GRRRRRR JEEEFFFFFFFF!!!!!!! You have to come. Wont be the same with out you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Damn it, just realised I'm going to need to get an E-TAG before the cruise so I can get back across the cashless bridge! :<

How long do you guys think it will take to get from Chatswood to Liverpool?

Damn it, just realised I'm going to need to get an E-TAG before the cruise so I can get back across the cashless bridge! :<

How long do you guys think it will take to get from Chatswood to Liverpool?

hmm if you do an M5 run probably about 30 - 40 mins

Is there generally much police action on these runs? Just out of curiosity. One would assume a pack of Skylines would be quite the eye opener.

Excellent question there man, this would be my first time and nice to know




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    • The exhaust gases are at their highest temperature as they leave the exhaust port and enter the manifold. They cool as they flow through the manifold because they transfer heat to the manifold and the manifold loses heat to the surrounding environment. Thus, inevitably, the exhaust gases are cooler as they enter the turbo compared to when they entered the exhaust manifold. So, yes, the exhaust manifold can easily get as hot as the turbine housing. Having said that, you will generally see the highest temperatures where the exhaust gases have to slow down or they are concentrated into one area - which is usually the collector on the manifold and in the turbine housing, because the gases slam into the metal at those places, increasing the convective heat transfer coefficient and transferring even more heat to the metal than they might just flowing past elsewhere. Exhaust manifold heat shields are a good idea - certainly for the stock manifold they are there from the factory. People seldom have anything like that on a tubular manifold because they are hard to achieve. Some might wrap a tube manifold with fibreglass tape - but this has a reputation of leading to cracked welds. The best case is generally to put ceramic coating onto the manifold to prevent it getting as hot (internal coating) and radiating/convecting heat into the bay (external coating). All the real heat from a turbo comes from the exhaust side. The gases entering are at ~800-900°C and the steel/iron gets nearly that hot. The compressor side is only going to heat the charge air up to <<200°C (typically not much more than 100°C). So that's nothing, by comparison. The compressor is not a significant source of engine bay heat.
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