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exhaust question......will it fit?

1971 Views 30 Replies 5 Participants Last post by  oberonspacefruit
I have a standard 1200 engine.

will this exhaust fit?

what is a "port"? in ref to single/twin port?

thanks in advance.

phil.

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That's a "Twin Hot Spot" exhaust, (there are 2 holes in the flanges just above the Exhaust to head flanges). It will not fit on a 1200 engine, it's too wide, and those "twin hot spot" flanges will not mate with the 1200 inlet manifold pre-hearer pipes.
It's meant for a 1300 (AR code) engine. Flog it on fleabay.
Don't know what the thing in the placcy bag is though.

FYI. "Twin Port", refers to the inlet manifold to Cylinder head connection, all 1200's are single port, as were early 1300' (F code), and 1500's (H code).
Later 1300 (mostly AB & AR code), and 1600, (AD code) engines are "Twin Port"
Moby had a nice pic showing several different exhaust types and how to tell the difference but i cant find it :(

Here are two threads that might help explain it though :)

http://www.volkszone.com/VZi/showthread.php?t=296190

http://www.volkszone.com/VZi/showthread.php?t=281730
ok thanks peeps.

the search goes on.

the thing in the bag is a tailpipe.
thats a very helpful thread by the way.......

glad i clicked! :crazy:
GSF do exhausts at a good price :)

Remember to get a full fitting kit (gaskets / clamps etc) with it as you will be needing them. :)
Is the twin hotspot exhaust a genuine VW one ? (Can't tell from the photo)
If it is, you could flog it, and it should return much more than the cost of a 1200 exhaust and fitting kit from GSF, check the prices.
the exhaust in the pic is not yet mine. thought id post it on here, before i bought it.

it is on ebay with 7hrs to go. at a tenner at the mo.....i believe it is a nos german one.
I have a lovely dansk one (see below) that I don't think they make anymore. IMO they're better quality than the ernst ones at GSF spec. the main weld across the front (it's rolled and has only one weld rather than two pieces of thinnere steel welded together all the way around their mating edges) here's a pic anyway:

I bought it 3 yrs ago for £52, but you can have it (posted) for £45....pm me if interested.....been looking to get rid of it for AGES - I salute you fellow 1200 driver :D

Matt :hangloose
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ok dude, if it fits a standard 1200, to be fitted with standard heat exchangers, i will have it :crazy:
:crazy:
Knobstar said:
I have a lovely dansk one (see below) that I don't think they make anymore. IMO they're better quality than the ernst ones at GSF spec. the main weld across the front (it's rolled and has only one weld rather than two pieces of thinnere steel welded together all the way around their mating edges) here's a pic anyway:

I bought it 3 yrs ago for £52, but you can have it (posted) for £45....pm me if interested.....been looking to get rid of it for AGES - I salute you fellow 1200 driver :D

Matt :hangloose
That's a pre-1963 34 bhp 1200 exhaust, note the lack of heater connection pods on the upper header tubes. This would make it more difficult to connect the air hoses from Fan housing to the heat exchangers on a 1972 1200 engine. Not impossible, though. ;)
i see what you mean.

looks nice though...lol

you reckon i will have to cut the tinware? or is it just a cas of longer tubes..

either way i can visualise what you mean...in ref to the pods....
now where was that thread about how far to shove the tailpipes in to avoid the nastiness........
oberonspacefruit said:
i see what you mean.

looks nice though...lol

you reckon i will have to cut the tinware? or is it just a cas of longer tubes..

either way i can visualise what you mean...in ref to the pods....
It's not a case of cutting tinware, but of adding something which should already be on the new Exhaust. The early engines had a completely different Heater system, not the Heat Exchangers like yours, and the early exhaust may not even mate-up with your Heat exchangers :eek: I can't be 100% sure from the photo, but that may even be for a 30 bhp engine (pre 1956), and I've never tried to fit one of those to a 72 1200. Too much hassel, :rolleyes: get the right one in the first place, 1200 exhaust from GSF is about £ 36. :D
I'm afraid not mr. Lawrence - I originally bought it from (now bust) euro car parts because, like GSF sometimes, they label parts incorrectly; leading me to believe that I could have fitted it to the engine in my '58 lowlight which I had at the time.....it didn't fit. I've tried it on my '73 1200 in my bug (w/o starting it up!) and it fits great. You'll just have to trust me when I say the quality is WAY better than the ernst one...

Ask the buyer in a few days and he'll be able to tell you ;)

Matt :hangloose
I've had those danish ones, and I agree the quality is far better.
Was just concerned that it looks too much like the 30 bhp box to be a straight fit on a 72 1200, but now you have confirmed that it fits, that is no longer a worry.
There's still the small matter of the missing heater connection pods, it may be possible to transplant them off the old exhaust, providing the header pipes are the same shape, and buyer is prepared to do that. Alternatively, extended ally hoses from the fanhousing direct to Heat exchanger will work, but may compromise heater efficiency, (not that anyone would notice). :D
Lol, sorry if a tad sharp in response - just seen to many threads with peeps trying to 'out-geek' each other of late lol and didn't want this to become one! I now have a 4-1 header on my 1200, and run long(er) flexi-hose straight from fan housing to heat exchanger: i reckon it could be better like that as the 'hose couplers' on other exhausts just leak air that could otherwise be directed around the j-tube (inside the heat-ex) so I'm not sure why that is.....ponder?!? :incheek:

Matt :hangloose
im replacing the whole system to improve the heater efficiency... :eek:
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