exshaust questions

cre · 07-12-2012, 01:53 AM

It's resonator (as in resonate or resonant frequency) not resignator.

No, a well thought out setup may have absolutely no negative effect on performance.... Actually, in some cases it may improve. Much like a resonator helps the intake charge it may be employed to facilitate a more efficient exhaust flow.

Yes, the drone you're experiencing is perfectly normal for this size of engine and quite common.

pandrade · 07-12-2012, 12:10 PM

ohhh ok here i have been spelling the wrong thing the whole time lol.i knew there would be some droneyness from the begining but small price to pay and hopefully your advice will make a huge improvment on the drone issue, thanks again

cre · 07-12-2012, 05:15 PM

Exhaust and intake systems are like a wind or brass instrument. They can be tuned for a specific tone but remember that it's an instrument which is only capable of one note and that outside of that range it's always going to shift. Really there is a LOT to the design of exhaust and intake systems, much of which is way beyond me, and so we just set a goal and do what we can to meet it and if we lose or gain 2% power then we live with it.... it's not going to cost most of us any races anyway.

pandrade · 07-12-2012, 08:04 PM

from the get go i knew there was alot of thought put into exhsuast but my knoladge is in race bikes. in my vintage race bike world sound is no issue so i can mathematicly desighn exhsaust for max performance that usualy are way to loud and not very refined. i can mess whith open mega phones,length, and specific back pressures but in auto motive( especialy turbo systems) im not very well versed.thats one more reson i apprichiate the help

[QUOTEExhaust and intake systems are like a wind or brass instrument][/QUOTE]

and thats why i belive yamaha has the BEST sounding exhsaust tone on the market, they have and understanding of insturments and raceing lol

07-12-2012, 01:53 AM	#1
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	It's resonator (as in resonate or resonant frequency) not resignator. No, a well thought out setup may have absolutely no negative effect on performance.... Actually, in some cases it may improve. Much like a resonator helps the intake charge it may be employed to facilitate a more efficient exhaust flow. Yes, the drone you're experiencing is perfectly normal for this size of engine and quite common. __________________ If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar --->

07-12-2012, 12:10 PM	#2
pandrade 12psi boost Join Date: Mar 2011 Location: fort myers florida Posts: 345	ohhh ok here i have been spelling the wrong thing the whole time lol.i knew there would be some droneyness from the begining but small price to pay and hopefully your advice will make a huge improvment on the drone issue, thanks again __________________ 1987 7m-gte R-154, SS braided clutch line, full 3in exshaust,aluminum radiator,full throttle gen 2 whith GM 3 inch mass air flow,13lbs flywheel, and more to come

07-12-2012, 05:15 PM	#3
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Exhaust and intake systems are like a wind or brass instrument. They can be tuned for a specific tone but remember that it's an instrument which is only capable of one note and that outside of that range it's always going to shift. Really there is a LOT to the design of exhaust and intake systems, much of which is way beyond me, and so we just set a goal and do what we can to meet it and if we lose or gain 2% power then we live with it.... it's not going to cost most of us any races anyway. __________________ If something breaks or you need to contact a member of the administration please post HERE. Unless it's a private or administration matter please post it on the forum. It benefits no one else if car related questions aren't posted for future users and takes away from the time I'm able to spend helping on the rest of the forum. If you're so inclined I'm always more than happy to accept tips via PayPal. Tip Jar --->

07-12-2012, 08:04 PM	#4
pandrade 12psi boost Join Date: Mar 2011 Location: fort myers florida Posts: 345	from the get go i knew there was alot of thought put into exhsuast but my knoladge is in race bikes. in my vintage race bike world sound is no issue so i can mathematicly desighn exhsaust for max performance that usualy are way to loud and not very refined. i can mess whith open mega phones,length, and specific back pressures but in auto motive( especialy turbo systems) im not very well versed.thats one more reson i apprichiate the help [QUOTEExhaust and intake systems are like a wind or brass instrument][/QUOTE] and thats why i belive yamaha has the BEST sounding exhsaust tone on the market, they have and understanding of insturments and raceing lol __________________ 1987 7m-gte R-154, SS braided clutch line, full 3in exshaust,aluminum radiator,full throttle gen 2 whith GM 3 inch mass air flow,13lbs flywheel, and more to come

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