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Username Post: Adding dual exhaust 64 belair        (Topic#348941)
shaunv8 
Contributor
Posts: 153

Loc: Perth - AUSTRALIA
Reg: 12-28-14
12-31-17 05:45 PM - Post#2719577    

Hi all, I have just installed a secondhand dual exhaust on my 64 belair which exits just in front of rear tyres. As this car only came with a single, we had to make some form of hangers for the underbody. The rear section is mounted with rubber, to the floor of the car. The question I have, is it OK to mount to floor, or should it be the chassis. I have a small "resonance / vibration" just above idle, and am thinking it may be coming through the body mounts on the exhaust. Any suggestions. No the exhaust isnt touching anywhere BTW. Thanks



 
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pvs409 
"6th Year" Gold Supporting Member
Posts: 2090
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
12-31-17 07:05 PM - Post#2719590    
    In response to shaunv8

The exhaust is never mounted to the body.

Factory exhaust is mounted to the frame using exhaust system mounts that bolt to factory holes already drilled in the frame.
I have pictures of all the factory mounts that are bolted to the frameon the drivers and passenger sides,that I can post when I get home later tomorrow.

These factory exhaust mounts are sold reproduction as a set or indiviually. The factory bolts are self tapping fine thread hex head bolts, also sold reproduction. All the mounts are bolted to two factory holes in the frame for each mount. There are 3 mounts per side.

Paul

57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4
62 ImpHT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible under frameoff
Website http://paulstensland.com/
[image]http://chevytalk.org/sm/26453.jpg[/ima


 
shaunv8 
Contributor
Posts: 153

Loc: Perth - AUSTRALIA
Reg: 12-28-14
12-31-17 07:36 PM - Post#2719598    
    In response to pvs409

Thanks Paul, Ill get under and have a look. I know one side has, but the other doesnt as it was only a single exhaust. Cheers



 
pvs409 
"6th Year" Gold Supporting Member
Posts: 2090
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
12-31-17 09:49 PM - Post#2719609    
    In response to shaunv8

The drivers side will match the passenger side.
The passenger side brackets will face the frame in the opposite direction.

The drivers side bracket directly behind the muffler could be welded to the frame (the passenger side will have two vertical holes in the frame for the bracket that has two holes in it for the hex head mounting bolts).
The other two brackets on the drivers side -the mount behind the tire uses 2 hex bolts to mount the bracket. The drivers side bracket (if its an orginal bracket) just behind the tire has one hex head bolt to mount the bracket.

Paul

57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4
62 ImpHT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible under frameoff
Website http://paulstensland.com/
[image]http://chevytalk.org/sm/26453.jpg[/ima


 
japete92 
"4th Year" Silver Supporting Member
Posts: 938
japete92
Loc: No. Virginia
Reg: 01-18-13
01-01-18 07:44 AM - Post#2719628    
    In response to shaunv8

Are you dead set on exiting the exhaust in front of the rear tires? I personally don't like that configuration because it makes for VERY loud and smelly exhaust. Exiting behind the rear wheels was OEM, straight out the back is popular.

Attached is how GM did it.

Pete



Attachment: chevy_exhaust_IMG_5229.jpg_800__494_pixels.pdf (119.26 KB) 80 View(s)



Edited by japete92 on 01-01-18 07:47 AM. Reason for edit: No reason given.

 
junky 
Frequent Contributor
Posts: 2451

Loc: Northeast CT
Reg: 06-27-10
01-01-18 08:07 AM - Post#2719632    
    In response to japete92

It is interesting to see that the left side isn't a mirror image of the right side past the axle. How was the exhaust on the station wagons exited? Might you have a diagram for the station wagon, like the one you have posted?

Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
pvs409 
"6th Year" Gold Supporting Member
Posts: 2090
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
01-01-18 09:28 AM - Post#2719643    
    In response to junky

On the link the exhaust routing behind the rear axle to the bumper is not correct. All factory tailpipes for 61 to 64 Chevrolet’s exit behind the tires not at the rear bumper.

Paul

57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4
62 ImpHT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible under frameoff
Website http://paulstensland.com/
[image]http://chevytalk.org/sm/26453.jpg[/ima


 
japete92 
"4th Year" Silver Supporting Member
Posts: 938
japete92
Loc: No. Virginia
Reg: 01-18-13
01-01-18 10:52 AM - Post#2719670    
    In response to junky

  • junky Said:
It is interesting to see that the left side isn't a mirror image of the right side past the axle. How was the exhaust on the station wagons exited? Might you have a diagram for the station wagon, like the one you have posted?



That link is directly from the 1961 shop manual and the manual does not have any differing info for a wagon (it does not mention the wagon exhaust at all). Also, the manual says (for '61) only the 348 (and the few 409s) got the dual exhaust. The 283s were all single exhaust. The '63 supplement shop manual does not show anything for the exhaust.

I agree with Paul that the diagram appears a little off at the rear exit point. On my '63 the exit is much closer to the rear wheel than depicted in that diagram. Other pics in the 61 shop manual show the tail pipe attachment to the frame better.

Pete



 
japete92 
"4th Year" Silver Supporting Member
Posts: 938
japete92
Loc: No. Virginia
Reg: 01-18-13
01-01-18 11:10 AM - Post#2719675    
    In response to japete92

Junky,

I looked up the exhaust in my 63 assembly manual and that doc does show the mount bracket for the tail pipe on the driver side is a little different for the station wagon. I do not know if that applies other year cars.

The assembly manual also shows the exit point much more accurately than the shop manual diagram.

Pete



Edited by japete92 on 01-01-18 11:11 AM. Reason for edit: No reason given.

 
turbo38s10 
"7th Year" Gold Supporting Member
Posts: 1521
turbo38s10
Loc: Agawam,MA
Reg: 09-17-09
01-01-18 02:31 PM - Post#2719697    
    In response to japete92

If you ask me I think it is just the way the picture was done. Looks like they took a frame picture and overlaid pictures of the exhaust on it. Just for reference and not really an accurate drawing. The frame asembly is faded versus the almost perfect exhaust parts.



 
junky 
Frequent Contributor
Posts: 2451

Loc: Northeast CT
Reg: 06-27-10
01-01-18 04:05 PM - Post#2719708    
    In response to japete92

Thanks for the "hint". I looked in my 1962 assembly manual, and found that the tail pipe for the wagon is different than for the rest of the cars, as well as the rear hanger. Unfortunately, my manual is missing page 4 of section 8, so I can't see the rest of the exhaust from the engine to the rear. I am inclined to believe that it is the same for the '63 & '64. I was particularly looking for the dual exhaust picture at the engine, so I could see what is needed to put my car back to original. My original exhaust was changed before I got the car.

Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
japete92 
"4th Year" Silver Supporting Member
Posts: 938
japete92
Loc: No. Virginia
Reg: 01-18-13
01-01-18 04:16 PM - Post#2719709    
    In response to junky

Another 'hint'; take a look in the '409' section in the back the manual for the dual exhaust details. As I recall, that's where I found dual exhaust details in my '63 manual.

Meanwhile, I'll look in my '63 manual.

Pete



 
Verne_Frantz 
61-64 Subject Matter Expert
Posts: 5297
Verne_Frantz
Loc: Hightstown,NJ USA
Reg: 08-22-00
01-01-18 08:27 PM - Post#2719735    
    In response to japete92

  • japete92 Said:
  • junky Said:
It is interesting to see that the left side isn't a mirror image of the right side past the axle. How was the exhaust on the station wagons exited? Might you have a diagram for the station wagon, like the one you have posted?



That link is directly from the 1961 shop manual and the manual does not have any differing info for a wagon (it does not mention the wagon exhaust at all). Also, the manual says (for '61) only the 348 (and the few 409s) got the dual exhaust. The 283s were all single exhaust. The '63 supplement shop manual does not show anything for the exhaust.

I agree with Paul that the diagram appears a little off at the rear exit point. On my '63 the exit is much closer to the rear wheel than depicted in that diagram. Other pics in the 61 shop manual show the tail pipe attachment to the frame better.

Pete



In '61, dual exhaust was an RPO on the 283.

Verne



 
models916 
Valued Contributor
Posts: 4774

Age: 67
Loc: Addison, IL
Reg: 05-28-10
01-02-18 06:51 AM - Post#2719759    
    In response to Verne_Frantz

Show-cars has the hangers


https://www.show-cars.com/cgi-bin/commerce.cgi?pre...



 
pvs409 
"6th Year" Gold Supporting Member
Posts: 2090
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
01-02-18 09:05 AM - Post#2719772    
    In response to models916

  • models916 Said:


The 3 brackets on the right side of the picture (passenger side) can be purchased individually as
I noted above. All of these brackets can be purchased individually from Show Cars. They are exact duplicates of the originals and the zine plating keeps them from rusting...

Paul


57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4
62 ImpHT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible under frameoff
Website http://paulstensland.com/
[image]http://chevytalk.org/sm/26453.jpg[/ima


 
pvs409 
"6th Year" Gold Supporting Member
Posts: 2090
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
01-02-18 09:32 AM - Post#2719774    
    In response to pvs409

Here are the dual exhaust tailpipe locations from my 62 Chevy Impala restoration a few years back. All 61 and 64 Chevys factory dual exhaust exited the same way. Factory single exhaust looked the same just minus the passenger side.

I added pictures of the drivers side mount directly behind the tire and the drivers side to the rear of the tire plus a picture of the two brackets behind the mufflers.

Paul



Attachment: _PVS420.jpg (796.09 KB) 8 View(s)


62 Chevy Impala dual exhaust


Attachment: P1030137.JPG (264.56 KB) 8 View(s)


61 to 64 tailpipe mount directly behind the tire on the frame using factory holes in the frame.


Attachment: P1030138.JPG (270.18 KB) 10 View(s)


61 to 64 factory drivers side frame mount to the rear of the tire (end of the tailpipe ) uses one hex bolt in factory hole in the frame.


Attachment: DSCN4809.JPG (178.11 KB) 9 View(s)


Factory dual exhaust mounts with rubbers straps for behind the mufflers without the mufflers installed. Drivers is normally welded to the frame passenger uses fine thread hex bolts installed in factory frame. holes.


57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4
62 ImpHT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible under frameoff
Website http://paulstensland.com/
[image]http://chevytalk.org/sm/26453.jpg[/ima


 
CATS 09 
Forum Newbie
Posts: 41
CATS 09
Reg: 05-27-12
01-02-18 10:22 AM - Post#2719778    
    In response to japete92

In ref. to japete's post #2719628. That attachment picture "right from the 1961 shop manual", I think it's actually a picture of a 1959 car that was inaccurately posted in the 61 manual, reasons being; the tailpipe(s) on a 59 did go to the rear bumper like that, and also you look at the upper control arm attaching directly to the frame as it is in the pic, that is where the control arm is attached too,(59), and not to a cross connecting brace like it evolved into on Chevys shortly after that model year because of weakness issues with the original attaching point. CATS



 
CATS 09 
Forum Newbie
Posts: 41
CATS 09
Reg: 05-27-12
01-02-18 10:30 AM - Post#2719779    
    In response to CATS 09

Oh and one more reason; the right hand tailpipe can't be a mirror image because the 59 spare tire well is located right there unlike in a 61 that is centered in the trunk and recessed.
Don't know about a 60.



 
Sweed62 
Senior Member
Posts: 1115
Sweed62
Loc: NotUS.Language warning#1
Reg: 10-24-04
01-02-18 02:51 PM - Post#2719796    
    In response to pvs409

Thanks for the picture P1030138.JPG Paul.

I did not know those holes was for exhaust system bracket.

I got a -62 Tarrytown two C-shapes frame like yours, i replaced the rear part of my frame but i didnt know theese holes was for exhaust system when i copied them.

My -62 holes are circular (picture below) while yours look slotted, differs between years and plant i guess, hence nuts behind your bolts i guess.

I did a quick check in assembly manual but i didnt find exhaust system, i check again.

Thanks/Svenne






 
pvs409 
"6th Year" Gold Supporting Member
Posts: 2090
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
01-02-18 07:51 PM - Post#2719829    
    In response to Sweed62

Sveene,
The holes were horizontal for the exhaust mount to the rear of the tire, like the ones in your picture. The front hole is for a mounting tab on the exhaust bracket (to keep it from turning) and the rear hole is for the hex bolt.
See my picture -you can see the tab if you look closely you can see the tab in the frame hole.

I see the 2 vertical holes in your frame for the hex mounting bolts (in the picture ending in 137) behind the tire.

here is the bracket in my picture with this post. Note the tab and one mounting hole.
https://www.show-cars.com/cgi-bin/commerce.cgi?pre...

Paul


Attachment: DSCN0140.JPG (158.82 KB) 8 View(s)


exhaust bracket on the passenger side note tab on the bracket in the frame hole.


57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4
62 ImpHT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible under frameoff
Website http://paulstensland.com/
[image]http://chevytalk.org/sm/26453.jpg[/ima


 
japete92 
"4th Year" Silver Supporting Member
Posts: 938
japete92
Loc: No. Virginia
Reg: 01-18-13
01-03-18 10:14 AM - Post#2719875    
    In response to Verne_Frantz

  • Verne_Frantz Said:
  • japete92 Said:
  • junky Said:
It is interesting to see that the left side isn't a mirror image of the right side past the axle. How was the exhaust on the station wagons exited? Might you have a diagram for the station wagon, like the one you have posted?



That link is directly from the 1961 shop manual and the manual does not have any differing info for a wagon (it does not mention the wagon exhaust at all). Also, the manual says (for '61) only the 348 (and the few 409s) got the dual exhaust. The 283s were all single exhaust. The '63 supplement shop manual does not show anything for the exhaust.

I agree with Paul that the diagram appears a little off at the rear exit point. On my '63 the exit is much closer to the rear wheel than depicted in that diagram. Other pics in the 61 shop manual show the tail pipe attachment to the frame better.

Pete



In '61, dual exhaust was an RPO on the 283.

Verne



You are correct (as usual). The shop manual * notes so state, too.

Thanks.

Pete




 
japete92 
"4th Year" Silver Supporting Member
Posts: 938
japete92
Loc: No. Virginia
Reg: 01-18-13
01-03-18 10:59 AM - Post#2719877    
    In response to junky

  • junky Said:
Thanks for the "hint". I looked in my 1962 assembly manual, and found that the tail pipe for the wagon is different than for the rest of the cars, as well as the rear hanger. Unfortunately, my manual is missing page 4 of section 8, so I can't see the rest of the exhaust from the engine to the rear. I am inclined to believe that it is the same for the '63 & '64. I was particularly looking for the dual exhaust picture at the engine, so I could see what is needed to put my car back to original. My original exhaust was changed before I got the car.



Junky,

I've attached sheets 4 and 5 from my 63 assembly manual, and the two sheets from the '409' section that show dual exhaust.

Hope they are helpful.

Pete




Attachment: 63_dual_exhaust_1st_sheet_from_assembly_manual.pdf (316.33 KB) 33 View(s)
Attachment: 63_dual_exhaust_2nd_sheet_from_assembly_manual.pdf (327.14 KB) 27 View(s)
Attachment: 63_single_exhaust_sheet_4_from_assembly_manual.pdf (370.32 KB) 22 View(s)
Attachment: 63_single_exhaust_sheet_5_from_assembly_manual.pdf (328.02 KB) 20 View(s)



 
junky 
Frequent Contributor
Posts: 2451

Loc: Northeast CT
Reg: 06-27-10
01-03-18 07:55 PM - Post#2719928    
    In response to japete92

Thanks.. It has added a lot of clarity as to what is the same and what is different on the wagons. Now, I am going to need to beat the bushes to find the wagon specific parts for my car. thanks again Junk

Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
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