Subject	Smoking black from fuel. Also, there is no debate.
Posted by	BobbyT on June 03, 2008 at 3:08 PM
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In Reply To	is it smoking black from carbon or smoking blueish posted by gt300zxtt on June 03, 2008 at 01:32 PM
Message	All cars run rich of stoichiometric (even "lean" ones...lean means "less rich"). Cats don't burn "already burnt oil fumes", they convert unburnt fuel (hydrocarbons) to carbon dioxide and water. There is no "huge debate", or any debate at all, about backpressure on turbos. The same old wives' tale is also applied to NAs, and it's not true there either. An engine is an air pump. Exhaust is high pressure, it passes to low pressure. Anything that raises the pressure of the low pressure reservoir acts against flow. Ideally, you would connect your exhaust manifolds / headers / turbos to vacuum.
Follow Ups	Where do you go to sell your cats? - V8Killah 08:11:41 06/03/08 Check your local craigslist. - Woody75 (Denver) 09:18:41 06/03/08 Member Brad@Zsolutions was offering to purchase them (n/m) - 550HPTT 09:38:33 06/03/08 cafreful, i did it and needed them back. Sold for $125 - pearlyellowtt 12:20:47 06/03/08 The lack of catalytics didn't cause that, it just - BigTDogg (MA) 12:28:26 06/03/08 For sure, the Cats mask the issue, not prevent it (n/m) - Audioquest 13:30:55 06/03/08 Hi Tony. Care to explain exactly how the material inside - ZEngineer 13:31:53 06/03/08 converter fouling (n/m) - gt300zxtt 13:43:56 06/03/08 Hi George. How art thou? I art good. - BigTDogg (MA) 14:03:42 06/03/08 Look here... - Barry (NJ) 14:38:20 06/03/08 Smoke is the result of incomplete combustion... - Z-Tech 19:06:50 06/03/08 is it smoking black from carbon or smoking blueish - gt300zxtt 13:32:22 06/03/08 Smoking black from fuel. Also, there is no debate. - BobbyT 15:08:56 06/03/08 are you replying to me or to pearlyellowtt? - gt300zxtt 16:59:00 06/03/08 Both. Figured I'd answer the no-cats smoke source, - BobbyT 23:18:32 06/03/08 you are still confusing the norm - gt300zxtt 10:32:36 06/04/08
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