Den83 Posted April 3, 2015 Share Posted April 3, 2015 I might be able to pick up a cheap set of twin 40 webbers for my manta 1.8. the lad that im getting them off also has an opel 8 valve manifold but is unsure what engine it is off. My car is currently away getting work done so i cant check if it will fit my engine. So i was wondering if anyone would know by looking at the pictures i have attached if it would fit my 1.8 engine? Quote Link to comment Share on other sites More sharing options...
Den83 Posted April 3, 2015 Author Share Posted April 3, 2015 Quote Link to comment Share on other sites More sharing options...
andyc Posted April 4, 2015 Share Posted April 4, 2015 The stud pattern looks right for a 1.8 but i'd want to match it againist the original manifold before parting with any cash Andy Quote Link to comment Share on other sites More sharing options...
tony g Posted April 4, 2015 Share Posted April 4, 2015 Can you get a manifold gasket quick and check against that? Tony Quote Link to comment Share on other sites More sharing options...
Den83 Posted April 4, 2015 Author Share Posted April 4, 2015 Can you get a manifold gasket quick and check against that? Tony I have ordered one from my local motor factor but they wont have it till mid next week. so i was just taking a chance that someone on this might know!ha Quote Link to comment Share on other sites More sharing options...
Snowy Posted April 4, 2015 Share Posted April 4, 2015 If it is right then the ports have been opened up on the side that fits to the head. As the inlet port on an 18S head are round. Not oval. Some of the later 1800 SPI engines have rectangular inlet ports on the head. Quote Link to comment Share on other sites More sharing options...
Den83 Posted April 13, 2015 Author Share Posted April 13, 2015 the manifold gasket came today and unfortunately the the holes did not match the manifold that is in the picture. So i was wondering if anybody knows where i could get a manifold to suit the webbers or if anybody has one lying around? Quote Link to comment Share on other sites More sharing options...
Paul Barrett Posted April 13, 2015 Share Posted April 13, 2015 That looks like a smallblock vaux engine, nova/astra 8V Quote Link to comment Share on other sites More sharing options...
nickincrete Posted April 18, 2015 Share Posted April 18, 2015 I think this is it http://www.dbilas-shop.com/Products/Inlet-manifold/Opel-Vauxhall/OHC/Intake-manifold-for-Opel-Kadett-D-E-Ascona-C-1-8-8V-OHC::1830.html Nick Quote Link to comment Share on other sites More sharing options...
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