An interesting development was the new MLS gasket - seen here, pictured to the right. The new gasket set consists of a steel gasket consisting of 5 layers. In the centre is a steel shim with swaged on fire rings - which appears to be very similar to the original gasket designs. This, like the original gasket is encased by two steel layers - rather like a sandwich. However, in contrast to the older gasket design, rather than using bonded-on 'elastomeric' butyl rings to contain the coolant jacket and oil drain spaces, the gasket has an additional two steel layers on either side of the gasket with swaged / raised areas to provide the coolant/oil void sealing (the gloss-black layer just visible in the image opposite). These layers are there to help prevent any coolant leakage failures - which, on the older gasket design, was frequently due to peel-away of the butyl rings.
Q less Gary On 10/01/2012 00:15, Dave the Subbie wrote:
Sounds like my sort of money - i.e. as little as possible...! What always concerned me was how to set up the jetting without a rolling road? How did you overcome that? I did once hole a piston on a bike that was running weak, so I'm a bit nervous. Although, given the chequered history of this particular engine, I'm not sure how much I trust the jetting in the current Weber anyway? Head gasket looks pricey at present, Either Felpro at £40-ish or Cometic at £90-ish. Standard one is apparently 82.8mm bore, which would protrude 0.1mm into my 83mm bores. Wondering if I would get away with it?? Felpro bores are 86.7 mm, which worries me with regard to the amount of material left between the bores, and Cometic look like the K-Series gaskets that caused so many problems for MG Rover. So the standard one might be the least risk. (The piston stroke stops 2mm short of the top of the block). I could have measured the one that came out, but I'm not home again until the weekend. Again, any experience/thoughts would be interesting. Dave. On Jan 9, 11:06 pm, "jon jackson"<[email protected]> wrote:Hi Dave I cobbled up a set of Kwaka XR6 carbs (Keihlin) on my Dolly sprint and got them to perform as well as the Dellorto 45's that it had been on, so I used them on my Robin Hood pinto boat anchor engine and they were fine and I sold the car with them on. I made my own manifold in alloy and got a local welder to weld it for 60. I would get a set of small drills and gradually open up the jets till they suit, I was lucky and found that 1.8 mm was perfect and bought them off the bay for a fiver and the carbs I bought several years ago before they became famous on car engines so only paid 12 for four 38 mm as new carbs. I have no idea why people struggle and spend fortunes tuning Webers when these carbs are so good and simple, one word of caution though Webers and Dellortos like up to 3.5 psi fuel pressure and bike carbs much less and about the same as SU's at no more than 1.5 psi or they will flood.So do use a pressure regulator. Good luck. Jon 2+2 RST (asleep for the winter) ----- Original Message ----- From: "Dave the Subbie"<[email protected]> To: "Quantum Owners Group"<[email protected]> Sent: Monday, January 09, 2012 8:12 PM Subject: [Quantum Owners] Re: My Mystery CVH Well, they reckon it's one of their Stage 3 engines. Certainly, a search on Google throws up plenty of forums with people complaining about them. We'll see... Just down the road from me are Bogg Brothers, who are well known for bike carb conversions. The car came with a set of R6 carburettors, but no manifold. I'm idly wondering whether it might be worth looking into how much would be involved in fitting them. Any comments? Dave. On Jan 8, 9:48 am, "Tom Walker (Blackberry)"<[email protected]> wrote:I'll second that. They worked on my zvh and made a real hash of it. I could not recommend them less. ---------Blackberry----------- -----Original Message----- From: Matthew Wastell<[email protected]> Sender: [email protected] Date: Sat, 7 Jan 2012 13:49:41 To: [email protected]<[email protected]> Reply-To: [email protected] Subject: Re: [Quantum Owners] My Mystery CVH It sounds like it could be a specialised engineering engine. Quantum used them as a supplier for a while. I had one from them as well as the worst customer service I've ever had from a company. The engine needed a rebuild after 30k miles! Matthew On 7 Jan 2012, at 12:30, "Susan and Martin Scott" <[email protected]> wrote:Dave, I have a Ford Technical Data book which may give some answers if you can tell me the engine number. According to the book, for CVH is should be either on one of 2 flat areas on the top of the block on the exhaust side either near the front or back, or stamped into the front of the block near where the alternator tensioner bracket fits. Martin ----- Original Message ----- From: "Dave the Subbie" <[email protected]> To: "Quantum Owners Group"<[email protected]> Sent: Friday, January 06, 2012 12:36 PM Subject: [Quantum Owners] My Mystery CVH Morning All, Just taken the head off the CVH from my latest acquisition and the mystery deepens. As you will recall, the previous owner thought it was a 2.0 and knew it had some fancy bits fitted, but wasn't sure of the details. Well, I had to have a look didn't I...? Bore is 83mm, Stroke is 88mm, which, I believe, is the same as the 1905cc American engine. However, it has the 81SM6090 Head (with the Cross-Hatching that is supposedly so desirable), and the block seems to be the 1.6 height, not the 1.8, as the 1.6 cam belt cover fits, which it doesn't on the Sierra block. "E8EE", "AA" and "9E25" are cast into the block. Pistons are 'Hemi' type, with large cutouts cast in them for valves "3019P", "9-6" and "0.75mm" marked in the crowns. The head appears to have 43mm inlet valves fitted. Haven't taken the valves out, so can't accurately measure them, but they aren't 42 (standard) or 45mm. Might be 42.6 or might be 43.5. Ports look to have been modified, and the cam is a Piper BP285. Was running a Weber DFT carb and a 4-2-1 manifold into a standard exhaust. Unfortunately, I never actually drove the thing as it was out of MoT. Was misfiring badly, but turned out to have a u/s plug lead and a cracked coil terminal, so that should be easy to fix. Anyway, I'm interested to hear any ideas as to the origin of the engine, as I'm going to need some spares for it. At a minimum, I need a head gasket set and stretch bolts. Plan at the moment is a de-coke and re-assembly, ready to go into the 2+2, either using the Weber, or a set of R6 bike carbs that came with it. So, if any of you can provide any information, based on the above, I'll be very grateful. Thanks, Dave. -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group athttp://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. Neither the Quantum Owners Club nor the individuals associated with the Quantum Owners Club or in the preparation of the above information shall have any liability to any person or entity with respect to liability, loss, or damage caused or alleged to be caused directly or indirectly by the instructions contained within this or related message(s). ----- No virus found in this message. Checked by AVG -www.avg.com Version: 10.0.1416 / Virus Database: 2109/4124 - Release Date: 01/05/12 -- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group athttp://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. Neither the Quantum Owners Club nor the individuals associated with the Quantum Owners Club or in the preparation of the above information shall have any liability to any person or entity with respect to liability, loss, or damage caused or alleged to be caused directly or indirectly by the instructions contained within this or related message(s).-- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group athttp://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. Neither the Quantum Owners Club nor the individuals associated with the Quantum Owners Club or in the preparation of the above information shall have any liability to any person or entity with respect to liability, loss, or damage caused or alleged to be caused directly or indirectly by the instructions contained within this or related message(s).-- You received this message because you are subscribed to the Google Groups "Quantum Owners Group" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group athttp://groups.google.com/group/quantumowners?hl=en IMPORTANT NOTE: All information presented herewith is provided on an "As Is" basis, without warranty or the implication thereof. Neither the Quantum Owners Club nor the individuals associated with the Quantum Owners Club or in the preparation of the above information shall have any liability to any person or entity with respect to liability, loss, or damage caused or alleged to be caused directly or indirectly by the instructions contained within this or related message(s).
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