Exhuast Question
#1
http://mazdatrix.com/r-ex86nt.htm
Mazdatrix exhaust is this the Racing Beat Road Race Setup
If so would this be practicle for extra HP for my non turbo FC for street use. I dont want to take it to the track. Also the 40 hp claim, in what rpm band is this hp available?
Mazdatrix exhaust is this the Racing Beat Road Race Setup
If so would this be practicle for extra HP for my non turbo FC for street use. I dont want to take it to the track. Also the 40 hp claim, in what rpm band is this hp available?
#2
ive got this setup.. and i dont know about 40hp but you do gain some, it sounds real nice, and it looks sleek from the back.
my power doesnt peak until a little past 8 on my 91 and only levels off just before 8
my power doesnt peak until a little past 8 on my 91 and only levels off just before 8
#4
Theortically a collected system will produce more power. Every NA race car I've ever looked under used a collected system. A good ITS engine/exhaust combo will make 175whp out of stock ports and stock injection. The only piece that's open for modification is the exhaust. And none of us are making that kind of power with an uncollected system.
#6
[quote name='ROTARYROCKET7' date='Apr 25 2005, 09:55 AM']so whats the main diff between collected and uncollected. I always confuse these two.
[/quote]
A "true dual" system like the one you posted a link for is uncollected. Each rotor has it's own seperate exhaust system and the flow of each rotor never interacts with the other. A collected system has a collector (go figure) at some point along the path that merges the flow of both rotors into a single pipe. Whether or not you split them again behind this collector to have a dual tip like the stock system is of little matter as long as the tubing is properly sized. A race system will most likely stay single after the collector to avoid weight and complexity. A properly designed and placed collector will provide a significant bump is power over a specific RPM range. The science is complex for the purpose of this post. Search this site for links I've posted before if you're interested in more info on the science or do a Google search. The short answer is that the scavenging created by the collector will provide an increase in power that is not available from an uncollected system. The challenge is proper design and placement of the collector for your particular application. Fortunately many people have done the homework for you. SDJ and ISC and two places to start looking.
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[/quote]
A "true dual" system like the one you posted a link for is uncollected. Each rotor has it's own seperate exhaust system and the flow of each rotor never interacts with the other. A collected system has a collector (go figure) at some point along the path that merges the flow of both rotors into a single pipe. Whether or not you split them again behind this collector to have a dual tip like the stock system is of little matter as long as the tubing is properly sized. A race system will most likely stay single after the collector to avoid weight and complexity. A properly designed and placed collector will provide a significant bump is power over a specific RPM range. The science is complex for the purpose of this post. Search this site for links I've posted before if you're interested in more info on the science or do a Google search. The short answer is that the scavenging created by the collector will provide an increase in power that is not available from an uncollected system. The challenge is proper design and placement of the collector for your particular application. Fortunately many people have done the homework for you. SDJ and ISC and two places to start looking.
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KoukiS5
Rotary Engine Building, Porting & Swaps
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05-20-2004 09:58 AM
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