Subject	It is a fact....
Posted by	canyoncarver on November 04, 2006 at 9:21 AM
	This message has been viewed 33 times.
In Reply To	Re: Compression Pressure Questions posted by SactoTodd on November 04, 2006 at 08:58 AM
Message	that if you change the timing in which the valves open and close in relationship to the crankshaft position, you are changing the dynamic compression ratio of a motor. That is the whole purpose of VVT. ____________________________ '93 n/a slicktop stage 0 My CarDomain
Follow Ups	Compression Pressure Questions - canyoncarver 22:01:17 11/03/06 I know..... replying to my own post. - canyoncarver 22:27:15 11/03/06 I don't think volume changes. (n/m) - SactoTodd 22:37:34 11/03/06 2nd (n/m) - mousersix 22:47:38 11/03/06 correct, displacement remains the same. (n/m) - Zluster(Abudan) 00:02:11 11/04/06 Re: I don't think volume changes. - canyoncarver 08:30:25 11/04/06 You're an engineer? - PennStateZ 09:56:06 11/04/06 O.k. ..... no dispute - canyoncarver 10:26:42 11/04/06 The intent of my statement was that a larger.... - canyoncarver 10:37:26 11/04/06 You're referencing pressures INSIDE the cylinder... - PennStateZ 10:55:41 11/04/06 And you can't match the pressure either. - PennStateZ 10:24:37 11/04/06 What is an insane compression ratio..... - canyoncarver 10:30:48 11/04/06 Calculate it. - PennStateZ 10:53:46 11/04/06 I will..... - canyoncarver 11:10:35 11/04/06 How are you going to tune it? - PennStateZ 11:45:32 11/04/06 24:1.... if I did that calculation correctly. (n/m) - WAGGZ 12:25:51 11/04/06 But a car without "boost" still has some sort of "PSI" - 300ZMang 00:59:39 11/04/06 Re: But a car without "boost" still has some sort of "PSI" - canyoncarver 08:51:50 11/04/06 Re: Compression Pressure Questions - SactoTodd 08:58:35 11/04/06 It is a fact.... - canyoncarver 09:21:14 11/04/06 You're changing the volumetric efficiency. (n/m) - PennStateZ 10:28:45 11/04/06 What changes the v/e given that everything else is the same? (n/m) - canyoncarver 10:32:45 11/04/06 Looking at the definition... - PennStateZ 10:47:57 11/04/06 On any i/c engine..... you improve the v/e mainly - canyoncarver 10:59:28 11/04/06 I think your whole theory is pretty far off. - Brad(RI) 13:20:07 11/04/06
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