74 factory exhaust components
Thread Starter
Instructor
Joined: Mar 2006
Posts: 176
Likes: 6
From: Saint Louis MO
74 factory exhaust components
Hello all, I am replacing the exhaust on my 74 L82 and would like to replicate the original sound as much as possible. I don't have the money to buy NOS, if I could even find them, so hopefully there is someone out there who has first hand knowledge of the construction of the 74 system.
Specifically, were the resonators true resonators, i.e. hollow? or were they more like glasspaks? What about the mufflers, size, shape, and internal construction? How many baffles and their layout?
Thanks!
Specifically, were the resonators true resonators, i.e. hollow? or were they more like glasspaks? What about the mufflers, size, shape, and internal construction? How many baffles and their layout?
Thanks!
Race Director
Joined: May 2006
Posts: 18,626
Likes: 2,553
what resonators on an original factory exhaust? pipes and two mufflers. If you look at vendor sites you can get a complete systems for about $400. I dont think too many people have cut open their mufflers to give you internal construction information.
Race Director
Joined: Jul 2001
Posts: 15,892
Likes: 42
'74s had one-year-only resonators.
I remember hearing a brand new '74 (an L82/4 speed) for the first time and was convinced that someone had shoved a potato up it's pipes. I wouldn't spend much time or money on tracking down a correct system.
I remember hearing a brand new '74 (an L82/4 speed) for the first time and was convinced that someone had shoved a potato up it's pipes. I wouldn't spend much time or money on tracking down a correct system.
Team Owner
Joined: Aug 1999
Posts: 30,995
Likes: 98
From: Ontario
. But they did have resonators. What their purpose was I do not know.
To OP, don't waste your time. You will not find NOS. Most major suppliers will provide you with the bulbous "round" mufflers that sound "OK" but look like h***.
Or go with oval "hideaway" mufflers.
Last edited by Paul L; Jun 12, 2013 at 02:43 PM.
Thread Starter
Instructor
Joined: Mar 2006
Posts: 176
Likes: 6
From: Saint Louis MO
Thanks for the thoughts guys, still would like to replicate the resonators if possible. Hopefully someone out there knows something about them.
Paul are those mufflers from CC in your post?
Paul are those mufflers from CC in your post?
Burning Brakes
Joined: May 2007
Posts: 1,022
Likes: 33
From: Lokeren, Belgium
I remember when I first got my 74 with original exhaust it was quiet at idle and around town cruising (some 10 years ago). I now have the 2.5" CC exhaust with 'stock' hide away mufflers and its just too loud, as in it draws too much attention. Added a H pipe, it's a bit better but not worth the effort. I was wondering if adding universal cats would reduce the noise (and help the exhaust smell). I listened to a 76 this weekend with original exhaust and wish mine sounded like that.
Nick
Nick
Team Owner
Joined: Aug 1999
Posts: 30,995
Likes: 98
From: Ontario
http://smg.photobucket.com/user/Buff...5009d.mp4.html
Last edited by Paul L; Jun 12, 2013 at 03:23 PM.
