Help With Exhaust Install, Please...
Thread Starter
Instructor
Joined: Jul 2017
Posts: 231
Likes: 15
Help With Exhaust Install, Please...
I'm having a hell of a hard time. A project that I though should be pretty straightforward has turned into a real struggle.
I am installing a used but almost new dual exhaust on my '78 SA.
I got the drivers side on with a little persuasion, but it's on. The passenger side has been a nightmare. The pipe doesn't seem to line up properly.
My fear is that I have the pipes that come off of the manifolds on backwards. There are only 4 pipes, the two that go to the mufflers are easy, the two off the manifolds could be wrong because they are similar. I DONT want to have to tear apart the drivers side, but if they're backwards, I have no choice.
Does anyone have pictures from the underside of the car attaching to the manifolds?
Here is the one I'm was trying to get on to the passenger side. Can anyone tell me by looking at this if it's a drivers side or passenger side pipe?
I am installing a used but almost new dual exhaust on my '78 SA.
I got the drivers side on with a little persuasion, but it's on. The passenger side has been a nightmare. The pipe doesn't seem to line up properly.
My fear is that I have the pipes that come off of the manifolds on backwards. There are only 4 pipes, the two that go to the mufflers are easy, the two off the manifolds could be wrong because they are similar. I DONT want to have to tear apart the drivers side, but if they're backwards, I have no choice.
Does anyone have pictures from the underside of the car attaching to the manifolds?
Here is the one I'm was trying to get on to the passenger side. Can anyone tell me by looking at this if it's a drivers side or passenger side pipe?
Drifting
Joined: Oct 2005
Posts: 1,615
Likes: 150
From: Forth Worth TX
Is your car an automatic or manual? I believe the front pipes are bent differently based on your transmission type.
Here is a link to the Gardner Exhaust system, your pipes should be similar.
http://www.gardnerexhaust.com/1970-c...st-system.html
Here is a link to the Gardner Exhaust system, your pipes should be similar.
http://www.gardnerexhaust.com/1970-c...st-system.html
Last edited by Revi; Aug 26, 2017 at 05:11 PM.
Thread Starter
Instructor
Joined: Jul 2017
Posts: 231
Likes: 15
Is your car an automatic or manual? I believe the front pipes are bent differently based on your transmission type.
Here is a link to the Gardner Exhaust system, your pipes should be similar.
http://www.gardnerexhaust.com/1970-c...st-system.html
Here is a link to the Gardner Exhaust system, your pipes should be similar.
http://www.gardnerexhaust.com/1970-c...st-system.html
Drifting
Joined: Oct 2005
Posts: 1,615
Likes: 150
From: Forth Worth TX
Does your car have a heat riser valve on the passenger side? IS the exhaust pipe you are using designed to be used with or without a heat riser valve?
Last edited by Revi; Aug 26, 2017 at 05:24 PM.
Thread Starter
Instructor
Joined: Jul 2017
Posts: 231
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Because after 1974 no Corvette came with dual exhaust. So you will need to replicate what the 1968-1974 exhaust systems look like.
Does your car have a heat riser valve on the passenger side? IS the exhaust pipe you are using designed to be used with or without a heat riser valve?
Does your car have a heat riser valve on the passenger side? IS the exhaust pipe you are using designed to be used with or without a heat riser valve?
This system came off of a '77 but I believe they are the same systems.
Removing the spacer may give me the room I need to make the exhaust fit. It looks like it's only off a little.
Are most system made without the riser???
Is there any way to tell if the pipe pictured is for the passenger side?
Last edited by Norcoastal; Aug 26, 2017 at 05:37 PM.
Drifting
Joined: Nov 2013
Posts: 1,547
Likes: 282
From: Scottsdale Arizona
This is a 74 dual exhaust system very similar to the one I installed on my 77. The pipe that you show in your post looks like it belongs on the driver side. In the above pic it's easy to see how the front pipes are bent to pass through the crossmember.
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Thread Starter
Instructor
Joined: Jul 2017
Posts: 231
Likes: 15
I absolutely had it backwards. I took out the drivers side that I already installed and switched the pipes off of the manifold.
Funny how the exhaust pipes seemed to slide right into place when I did that.
Took her for a ride around the block and blew a radiator hose when I got home. Haha, always something I suppose.
For some reason my idle is very high. I think that may have contributed to the hose blow, but I doubt it. I gotta get my idle down.
Anyway, MY EXHAUST IS INSTALLED AND SOUNDS GREAT!
Thanks for your help!
Funny how the exhaust pipes seemed to slide right into place when I did that.
Took her for a ride around the block and blew a radiator hose when I got home. Haha, always something I suppose.
For some reason my idle is very high. I think that may have contributed to the hose blow, but I doubt it. I gotta get my idle down.
Anyway, MY EXHAUST IS INSTALLED AND SOUNDS GREAT!
Thanks for your help!
Thread Starter
Instructor
Joined: Jul 2017
Posts: 231
Likes: 15
Instructor
Joined: Aug 2017
Posts: 115
Likes: 15
From: Lebanon Ohio
Magnaflow
I have a question regarding Redwingvette's Magnaflow exhaust. I am a newer owner of a really nice '71, 350 4 speed convertible. Luv it luv it luv it.
The only downside is the exhaust note just doesnt work for me. It has a very well done 2-1/2" SS system all the way back, - but runs through Borla mufflers. I can live it for a while but at some point they're gonna have to come off.
How did you decide on Magnaflow? I like to have a solid exhaust note, but not NOISE. I generally prefer the Magnaflow muffler but might want the Vette to be a tad quieter still. Paragon advertises a near stock 'off road' muffler whereby one baffle is supposedly left out and generates 'less exhaust back pressure and deeper sound quality'. Anyone have any experience with that?
Many thanks!
The only downside is the exhaust note just doesnt work for me. It has a very well done 2-1/2" SS system all the way back, - but runs through Borla mufflers. I can live it for a while but at some point they're gonna have to come off.
How did you decide on Magnaflow? I like to have a solid exhaust note, but not NOISE. I generally prefer the Magnaflow muffler but might want the Vette to be a tad quieter still. Paragon advertises a near stock 'off road' muffler whereby one baffle is supposedly left out and generates 'less exhaust back pressure and deeper sound quality'. Anyone have any experience with that?
Many thanks!