Crazy Question....
Thread Starter
Instructor
Joined: Sep 2006
Posts: 211
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From: Searcy Arkansas
Crazy Question....
I was thinking about running two sets of exhaust on my 78. One for the side pipes and a 2nd system running out the back end (less ear ringing) for times where less noise is less expensive in the "Fix-it ticket" department. I have seen cable operated cut-outs in places like JC Whitney.
Has anyone ever done this before?
Thanks
Has anyone ever done this before?
Thanks
Safety Car
Joined: Dec 2004
Posts: 4,876
Likes: 1
From: Jersey Shore Exit 98
Originally Posted by justaguy10825
I was thinking about running two sets of exhaust on my 78. One for the side pipes and a 2nd system running out the back end (less ear ringing) for times where less noise is less expensive in the "Fix-it ticket" department. I have seen cable operated cut-outs in places like JC Whitney.
Has anyone ever done this before?
Thanks
Has anyone ever done this before?
Thanks
Melting Slicks
Joined: May 1999
Posts: 2,897
Likes: 0
From: Moon Township PA
IIRC, this is an old hot rod trick. You have an under car exhaust with a "Y" duct that is capped off with a removable panel. Get to where you are racing and remove the small panel, giving a straight shot to the unmuffled exhaust, which exits out the side of the car. I have read about it and I have also seen a couple examples at cruises. Usually on very old Fords and Chevys. Maybe someone who knows what that is called will pipe in.
Gary
Gary
Drifting
Joined: Jan 2006
Posts: 1,944
Likes: 22
From: Yooperville MI
I'm an old Pontiac guy and in 1970 you could order Vacuum Operated Exhaust on a GTO. An under dash control operated a vacuum actuator on each muffler moving the internal baffles back and forth to change the sound level. I remember these from working at the dealer and they were pretty cool. One major problem though, corrosion set in and froze everything up especially during winter. There is a guy reproducing these now. I attached a web page that shows the mufflers and the actuators as well as a video/sound clip. I'm wondering if these could be adapted as if Vettes need another vacuum operated part. One muffler on "A" bodies (RH or LH?) was shorter than the other, so maybe there would be room for the shorter muffler on a Vette?
http://ultimategto.com/1970cars51.htm
http://ultimategto.com/1970cars51.htm
Last edited by crazywelder; Nov 5, 2006 at 10:04 AM.
Thread Starter
Instructor
Joined: Sep 2006
Posts: 211
Likes: 0
From: Searcy Arkansas
Originally Posted by SIXFOOTER
you can do that pretty easily. Its a lot of plumbing under there and I would go with the electric cutouts.
I appreciate the info... Any suggestions on where to look for the electric cut-outs?
Thanks!
