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.
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IMPORTANT NOTE: All information presented herewith is provided on an "As Is"
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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
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IMPORTANT NOTE: All information presented herewith is provided on an "As Is"
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above information shall have any liability to any person or entity with respect to
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