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Wasted youth Samba Member
Joined: July 06, 2012 Posts: 5134 Location: California's Hot and Smoggy Central Valley
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Posted: Sat Jun 08, 2019 6:21 pm Post subject: Type 4 exhaust header differences - side specific?? |
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Go ahead and shit all over me for either not using the Search Engine or not knowing the answer to this question... I did try the Search Engine, and also looked in the Photo Gallery and the Classifieds because those are often good sources of information.
I am probably not using the right keywords. Anyway... what application is exhaust header A meant for?
Header B fits the 2.0 Type 4 engine. By the way, they are both oval port.
Last edited by Wasted youth on Sat Jun 08, 2019 11:34 pm; edited 2 times in total |
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Hoody Samba Member
Joined: November 28, 2007 Posts: 1948
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Posted: Sat Jun 08, 2019 7:22 pm Post subject: Re: Type 4 exhaust headers question |
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They are both for the 75-78 type 4 exhaust. There is a right and a left side. You cannot use two lefts or two rights. I had a parts seller on here try to tell me he's been doing this for 40 years and this is the first time he had ever heard of such a thing. |
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SGKent Samba Member
Joined: October 30, 2007 Posts: 41031 Location: Citrus Heights CA (Near Sacramento)
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Posted: Sat Jun 08, 2019 7:39 pm Post subject: Re: Type 4 exhaust headers question |
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What Bob said.
one left one right, look at the flanges. Oval port with tin. Scarce with tin. I have one NOS one and looking for the other side. Probably none exist anywhere in the world - been looking for 11 years. _________________ “Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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Wasted youth Samba Member
Joined: July 06, 2012 Posts: 5134 Location: California's Hot and Smoggy Central Valley
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Posted: Sat Jun 08, 2019 8:10 pm Post subject: Re: Type 4 exhaust headers question |
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Thanks. It’s all coming back to me now. Absolutely... a left and a right side. The long side is on the Passenger side of the engine.
But... what if you moved the heads around. Or matched up two heads that used just one style. I imagine the exhaust nomenclature would be crooked. |
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tommu Samba Member
Joined: November 15, 2011 Posts: 618 Location: L.A.
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Posted: Sat Jun 08, 2019 8:44 pm Post subject: Re: Type 4 exhaust headers question |
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Yes, the manifolds will fit the heads fine but will not be able to mate to the 'afterburner' u shaped pipes.
I had a lot of trouble with cracked headers. I took a video of leak testing one that looked perfect. I taped up the ports, sprayed washing detergent on the harder and reversed the output of my shopvac to see if they leaked. All the used ones I bought leaked.
Link
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SGKent Samba Member
Joined: October 30, 2007 Posts: 41031 Location: Citrus Heights CA (Near Sacramento)
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Posted: Sat Jun 08, 2019 9:43 pm Post subject: Re: Type 4 exhaust header differences - side specific |
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I have a headache. _________________ “Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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Hoody Samba Member
Joined: November 28, 2007 Posts: 1948
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Posted: Sat Jun 08, 2019 9:48 pm Post subject: Re: Type 4 exhaust header differences - side specific |
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If I am not mistaken those can be tig welded where they are leaking. That is where the stainless meets the regular steel. They are only junk when the stainless part of the pipe cracks. Because as most people who weld know welding stainless that is cracked is pretty much pointless. I had Scott at GS rebuild my f pipes and u pipes with new laser cut flanges and they are as good as new. Actually better than new because they are also ceramic coated externally as well as internally. No more tins and I am confident the coating of both sides of the pipe will yield less heat than the original asbestos and sheet metal did. |
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Wasted youth Samba Member
Joined: July 06, 2012 Posts: 5134 Location: California's Hot and Smoggy Central Valley
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Posted: Sat Jun 08, 2019 10:06 pm Post subject: Re: Type 4 exhaust header differences - side specific |
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SGKent wrote: |
I have a headache. |
Ha! Well, don’t get too concerned. I am not advocating any ulterior exhaust header motives. But the comment above about ‘...been doing this for years and never saw such a thing’ may indicate someone figured out how to play games mixing and matching cylinder heads and exhaust headers.
And three bolt flanges that don’t line up simply get cut off, clocked right and welded back up. After all, the three bolt flange gaskets in that neck of the woods are all the same. |
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Xevin Samba Member
Joined: January 08, 2014 Posts: 7629
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Posted: Sat Jun 08, 2019 10:12 pm Post subject: Re: Type 4 exhaust headers question |
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SGKent wrote: |
Probably none exist anywhere in the world - been looking for 11 years. |
Probably in Notchboy’s garage next to the poo pails and 12v vacuum accessories my bad, next to the intermittent wiper assemblies and headlight washers _________________ Keep on Busin'
67rustavenger wrote: |
GFY's Xevin and VW_Jimbo! |
Clatter wrote: |
Damn that Xevin... |
skills@eurocarsplus wrote: |
I respect Xevin and he's a turd |
SGKent wrote: |
My God! Xevin and I 100% agree |
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Wasted youth Samba Member
Joined: July 06, 2012 Posts: 5134 Location: California's Hot and Smoggy Central Valley
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WhirledTraveller Samba Member
Joined: January 09, 2008 Posts: 1399 Location: Cambridge, MA
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Posted: Sun Jun 09, 2019 8:24 am Post subject: Re: Type 4 exhaust header differences - side specific?? |
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If you need a flush flange it's because somebody threw a square port head on one side and then cut the ends of the header to fit. Nothing from the VW factory 1978 and prior came that way. Common for disreputable engine builders to build the engine with whatever they have laying around including mix-and-matching oval and square port heads. _________________ 1977 Westy, Automatic. Big Valve heads, CS Cam. |
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Wasted youth Samba Member
Joined: July 06, 2012 Posts: 5134 Location: California's Hot and Smoggy Central Valley
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Posted: Sun Jun 09, 2019 12:54 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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WhirledTraveller wrote: |
If you need a flush flange it's because somebody threw a square port head on one side and then cut the ends of the header to fit. Nothing from the VW factory 1978 and prior came that way. Common for disreputable engine builders to build the engine with whatever they have laying around including mix-and-matching oval and square port heads. |
So no Right and Left headers? |
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WhirledTraveller Samba Member
Joined: January 09, 2008 Posts: 1399 Location: Cambridge, MA
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Posted: Sun Jun 09, 2019 3:16 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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Wasted youth wrote: |
So no Right and Left headers? |
The left and right headers are different but they have the same type of flange. They're just bent and angled a little differently so you can't bolt a left header to a right head because it won't fit correctly. _________________ 1977 Westy, Automatic. Big Valve heads, CS Cam. |
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Hoody Samba Member
Joined: November 28, 2007 Posts: 1948
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Posted: Sun Jun 09, 2019 7:25 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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Yes I just realized that top one has been modified. Someone chopped the top of it off as stated to work with a square port head. I did not see that before. Whoops. |
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Wasted youth Samba Member
Joined: July 06, 2012 Posts: 5134 Location: California's Hot and Smoggy Central Valley
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Posted: Tue Jun 11, 2019 12:03 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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Confirmed today the oval port head I have requires deeper exhaust header B and the shallow port head I have is square port, so I agree that header A in my picture is a modified oval port exhaust header made to fit the square port cylinder head. Square port exhaust gasket allows oval exhaust header to seal. |
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notchboy Samba Member
Joined: April 27, 2002 Posts: 22460 Location: Escondido CA
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Posted: Tue Jun 11, 2019 2:01 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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Wasted youth wrote: |
Confirmed today the oval port head I have requires deeper exhaust header B and the shallow port head I have is square port, so I agree that header A in my picture is a modified oval port exhaust header made to fit the square port cylinder head. Square port exhaust gasket allows oval exhaust header to seal. |
Oh the jokes I could have displayed here. Alas another day................
Xevin wrote: |
SGKent wrote: |
Probably none exist anywhere in the world - been looking for 11 years. |
Probably in Notchboy’s garage next to the poo pails and 12v vacuum accessories my bad, next to the intermittent wiper assemblies and headlight washers |
_________________
t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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Wasted youth Samba Member
Joined: July 06, 2012 Posts: 5134 Location: California's Hot and Smoggy Central Valley
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Posted: Tue Jun 11, 2019 2:14 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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Oh, I know! All kinds of lead-ins! |
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SGKent Samba Member
Joined: October 30, 2007 Posts: 41031 Location: Citrus Heights CA (Near Sacramento)
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Posted: Tue Jun 11, 2019 3:37 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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If Notchboy or anyone else has a NOS Manifold F-pipe 021-251-551 he should PM me because I have a NOS 021-251-552. _________________ “Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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notchboy Samba Member
Joined: April 27, 2002 Posts: 22460 Location: Escondido CA
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Posted: Tue Jun 11, 2019 3:54 pm Post subject: Re: Type 4 exhaust header differences - side specific?? |
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SGKent wrote: |
If Notchboy or anyone else has a NOS Manifold F-pipe 021-251-551 he should PM me because I have a NOS 021-251-552. |
Nope. But I do have a water pump for a 64 bug. Was it Xevin that needed muffler bearings? I have those in a box with my Okrasa engine kits and NOS 1958 Westfalia side tents. Yes tents. I cut back and sold two, now I only have three left. _________________
t3kg wrote: |
OK, this thread is over. You win. |
Jason "notchboy" Weigel
1964 1500 S
1964 T34 S Convertible
1977 Westfalia Camper pop-top |
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SGKent Samba Member
Joined: October 30, 2007 Posts: 41031 Location: Citrus Heights CA (Near Sacramento)
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Posted: Wed Jun 12, 2019 6:52 am Post subject: Re: Type 4 exhaust header differences - side specific?? |
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notchboy wrote: |
SGKent wrote: |
If Notchboy or anyone else has a NOS Manifold F-pipe 021-251-551 he should PM me because I have a NOS 021-251-552. |
Nope. But I do have a water pump for a 64 bug. Was it Xevin that needed muffler bearings? I have those in a box with my Okrasa engine kits and NOS 1958 Westfalia side tents. Yes tents. I cut back and sold two, now I only have three left. |
That is quite frugal. If you sell the thread separately you might be able to get 4, even 5 more out of what you have left. _________________ “Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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