Subject	Only problem there is that you are likely just comparing
Posted by	Ash's Z on December 25, 2005 at 10:45 PM
	This message has been viewed 35 times.
In Reply To	it has been pretty well established that posted by aliaZ on December 25, 2005 at 10:27 PM
Message	peak numbers rather than inspecting the entire curve for variations. I agree with you that having greater backpressure is going to negatively affect top end horsepower, but I'm not looking at what the peak values are. It is very well known that backpressure in a naturally aspirated engine WILL improve bottom end torque, regardless of how counter-intuitive it may seem. Your simplified statement concerning the engine as an air pump completely neglects all of the dynamics that are involved in actually making it "move more air", especially when you are looking at what is required to enhance the airflow at given RPMs. [ ashspecz.com ] [ agpowers@bellsouth.net ] Enthusiasts soon understand each other. --W. Irving. Are you an enthusiast? If you are out to describe the truth, leave elegance to the tailor. Albert Einstein
Follow Ups	3" exhaust - GOTZSPD 21:33:14 12/24/05 His car would go even faster with 3" exhaust. - Ash's Z 21:41:55 12/24/05 Just checked, TimZ's 860HP all-turbo seutp is the highest - Ash's Z 21:46:25 12/24/05 Re: Just checked, TimZ's 860HP all-turbo seutp is the highest - GOTZSPD 21:49:41 12/24/05 I'm game for it. I still have all my 2.5" piping from my - Ash's Z 21:53:50 12/24/05 Re: I'm game for it. I still have all my 2.5" piping from my - GOTZSPD 21:59:45 12/24/05 Yes, we would definately need a dyno comparison session - Ash's Z 22:08:53 12/24/05 Re: Yes, we would definately need a dyno comparison session - GOTZSPD 22:15:48 12/24/05 Re: Re: Yes, we would definately need a dyno comparison session - Ash's Z 22:54:08 12/24/05 while you're at it - Gho32 22:17:08 12/24/05 Re: while you're at it - GOTZSPD 22:23:30 12/24/05 Why? - Jared Todd 02:45:59 12/25/05 Not to drift OT here - A R T I E M E A S E 02:17:58 12/25/05 Still need an aftermarket ECU - Broke_as_**** 06:10:03 12/25/05 Correct - maglito 15:58:45 12/25/05 megan racing does nopt make a full 3 inch turbo back! - 300zdett(nj) 23:43:29 12/24/05 I wonder what he has in that case. - Ash's Z 23:48:02 12/24/05 It's all relative to how much power you are making - Russell@Z1 23:52:22 12/24/05 Correct. - Dallas DamonZ 09:20:39 12/25/05 The 3" flows TOO well at low throttle and allows too - Ash's Z 10:31:38 12/25/05 Turbo cars don't need back pressure - aliaZ 13:40:46 12/25/05 2nd, 3rd, 4th.. 12963th (n/m) - turtleboy 14:53:32 12/25/05 Wrong. Before the turbocharger gets spooled up, the engine - Ash's Z 19:21:41 12/25/05 your response doesn't disprove my argument - aliaZ 22:03:57 12/25/05 You are very strongheaded for someone who obviously hasn't - Ash's Z 22:09:40 12/25/05 I'll be patiently waiting - aliaZ 22:14:14 12/25/05 Let me ask you then. Why did Dee's car have a significant - Ash's Z 22:19:11 12/25/05 it has been pretty well established that - aliaZ 22:27:49 12/25/05 Only problem there is that you are likely just comparing - Ash's Z 22:45:08 12/25/05 I'm not referring to peak numbers - aliaZ 10:28:57 12/26/05 Well, I respect your thoughts on the matter Don, really. - Ash's Z 19:57:07 12/26/05 fair enough (n/m) - aliaZ 21:11:08 12/26/05 Venturi type effect? (n/m) - turtleboy 02:53:33 12/26/05 I agree - turtleboy 02:54:39 12/26/05 I have a full 3" turbo back exhaust system.. - Shawn300zTT GT28R MD 04:59:16 12/25/05 And I have a really good idea that will bring the bottom - Ash's Z 07:56:25 12/25/05 And it is what we discussed last time you were up here - Shawn300zTT GT28R MD 08:18:18 12/25/05 Re: And I have a really good idea that will bring the bottom - Dallas DamonZ 09:14:04 12/25/05 It will be an actively controlled backpressure valve, - Ash's Z 10:27:16 12/25/05 I saw one of those installed on a 2005 Mustang GT with - MidLifeZ 10:41:54 12/25/05 Well, that's not the same though. That device sounds - Ash's Z 11:05:27 12/25/05 how do you know there is fuel blow-through due to overlap? - aliaZ 13:34:19 12/25/05 Because of my cam selection. (n/m) - Ash's Z 19:19:48 12/25/05 have you found a way to measure it? - aliaZ 22:06:12 12/25/05 It is my educated guess, put forth to try and make reason - Ash's Z 22:24:25 12/25/05 please see my reponse above (n/m) - aliaZ 22:28:55 12/25/05 Re: It will be an actively controlled backpressure valve, - Mitchell(AMZ Performance) 14:25:04 12/25/05 More like this (C6 Z06 style): - maglito 20:12:44 12/25/05 No, that's just a cut-out valve. That is used to reduce - Ash's Z 22:58:36 12/25/05 The ATP product does produce backpressure. - Shawn300zTT GT28R MD 15:56:54 12/26/05
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