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Posted

Hi All

Unsurprisingly it seems the exhaust on my 1980 2.0 coupe needs replacing.

After looking through various posts and at what's available I'm happy to go with Sportex - just wondered whether anyone could confirm that all for a 2.0 would be compatible, i.e. no difference between the early 2.0 like mine with the carburetor and 4 speed gearbox, and the later GTE.

Many thanks

Chris

Posted

Ah, this was the bit I was concerned about though as I was planning to order the system including down pipes - it's sounds like I need to double check with them that I'm getting the right one. Thanks!

  • Like 1
Posted

You could also fit the GTE exhaust manifold, it just does not interface (hot plate) with the inlet, but I never had any issues sacking that off anyway. Stopped the carb getting too hot in UK temps.

  • Thanks 1
Posted

mine has a gte manifold instead of the carb manifold and it's the same down pipe fitting gasket ? were SOME gte's fitted using the carlton manifold ??  the carlton one is shorter and a bit fatter 

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Posted
2 hours ago, cam.in.head said:

mine has a gte manifold instead of the carb manifold and it's the same down pipe fitting gasket ? were SOME gte's fitted using the carlton manifold ??  the carlton one is shorter and a bit fatter 

The Carb one bolts to the inlet manifold to create a 'hot' spot just below the carb. 
See this thread, should help identification 

 

  • Thanks 1
Posted

yes this is what i meant . the gte gasket is the same as a carb manifold . was just commenting on where it was mentioned that the systems were the same post manifold .  the other smaller gasket is carlton 

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  • Thanks 1
Posted (edited)
38 minutes ago, cam.in.head said:

yes this is what i meant . the gte gasket is the same as a carb manifold . was just commenting on where it was mentioned that the systems were the same post manifold .  the other smaller gasket is carlton 

This is promising and would explain why Sportex seem to be saying it will fit all 2.0 coupes. I'm trying to get hold of them by phone to see whether they can tell me the bolt hole centre spacings so that I can check whether it matches mine as mine differ from some of those I've seen on eBay adverts for gaskets apparently for RHD GTEs.

Edited by Kr1s
Posted

yes worth asking but every normal rhd cav and manta i've had with a cih engine has had the big gasket and every carlton with the cih has had the shorter one . there is an even smaller gasket of similar appearance but that's for cavs mantas chevette and viva 1256cc

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Posted (edited)

So, the dimensions of my manifold to exhaust flange, and a spare gasket that I was lucky enough to get with the car are like this: 

image.thumb.png.135df0f710f22514f04ddcaa9296027f.png

PXL_20250203_183735623.thumb.jpg.59f475a13a8f774bab93a237b42a770d.jpg

Whereas the ones on eBay seem to be like this:

Screenshot_20250205-123625.thumb.png.1daaa28b21f027426de9d208fd1382a2.png

Still haven't been able to get an answer from Sportex phone number 😞

If anyone happens to have a GTE one to hand and could tell me their dimensions it would add some confidence, although of course there's no real substitute for confirming the actual dimensions.

Maybe in any case I'd better wait until I've got the old one off before ordering anything in case I ruin the manifold and have to replace it anyway!

Cheers!

 

Edited by Kr1s

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