[ROVERNET - UK] Expansion Tank - next step

Fritz Rauschenberg wfritz at mindspring.com
Tue Feb 22 10:00:40 GMT 2005


3/8" holes ?? That's a bit large don't you think?? Could you have meant 1/8" or
perhaps 3 mm ?? Just wondering.

Fritz Rauschenberg
Atlanta, GA

Robert Thornton wrote:

> The blanking sleeves used on the Minis were a Special Tuning part and
> are still available from Mini specialists. They slow down the
> circulation and are essential when removing the thermostat otherwise you
> get hot spots in the head. They are really meant for competition cars.
> For road use it can take a while for the coolant to reach operating
> temperature, and the heater blows cold air. The solution, well-known in
> Mini circles, is to use the exiting thermostat but drill half a dozen
> 3/8 holes around its circumference.
>
> Rob
>
> -----Original Message-----
> From: rovernet-bounces at lyris.ccdata.com
> [mailto:rovernet-bounces at lyris.ccdata.com] On Behalf Of James Dean
> Sent: Tuesday, 22 February 2005 12:01 PM
> To: rovernet at lyris.ccdata.com
> Subject: Re: [ROVERNET - UK] Expansion Tank - next step
>
> 35 Years ago,When I had my First shop in Cambridge, Mass, and Rovers
> were still low mileage used cars that I serviced; I spoke to the BMC
> Factory rep. about overheating on Mini-Cooper S. The factory had solved
> this problem, using BMC factory parts.They used a blanking sleeve- this
> was a thermostat with the center removed. A flat non-release cap on the
> radiator(As I previously stated, same as SI XJ6), And the expansion
> tank, also used on various MG's. Mini Cooper S and Series II Etype.I
> know no one wants to hear aboutJaguarand MG, but the parts do not know
> what car they are on, and this pressurized system works better than the
> non pressurized plastic tanks.Regarding blanking sleeves, they were a
> competition item; it is best to use thermoststs.Regarding the brass
> tank, The BMC rep said it can go anywhere, but it must be below the
> level of the radiator cap.It should be half full when coolant is cold,
> radiator should be full.The tank must be accessible, as you top up its
> coolant, so don't hide it in the fender.There are 2sizes of these tanks,
> the later one is fatter, and holds a little more. If anyone wants one, I
> just found one. Contact me offline, or I will put it on my ebay store,
> with a photo; where I put some other rare Rover stuff. James Dean, Old
> English Motor Company.jaguru at bellsouth.net-- Original Message -----
> From: <rogerdm at iprimus.com.au>
> To: <rovernet at lyris.ccdata.com>
> Sent: Monday, February 21, 2005 5:59 PM
> Subject: RE: [ROVERNET - UK] Expansion Tank - next step
>
> > Hi Ray,
> >
> > I have just bought a 3500 with the twin filters.  Having looked
> > somewhat superficially I can see no reason why you couldn't remove
> > them altogether or plumb them into one cannister the other side from
> > the expansion tank.  Air is drawn into the manifolds through the
> > cannisters thereby taking
> fumes
> > from the overflow pipes of the carby's.  If you remove them totally
> > you
> may
> > breach regulations.  All you need to consider is to properly block the
>
> > air bleeds on the inlet manifolds and provide two pipes to take
> > overflow fuel from the carby's down the front of the block to just
> > below the base of the radiator.  However Peter seems to have a better
> > solution.  I think
> expansion
> > tanks are very helpful to efficient cooling.  cheers roger
> >
> > >-- Original Message --
> > >From: "Peter Mitchell" <peterm at arach.net.au>
> > >To: <rovernet at lyris.ccdata.com>
> > >Subject: RE: [ROVERNET - UK] Expansion Tank - next step
> > >Date: Mon, 21 Feb 2005 19:51:16 +0800
> > >Reply-To: rovernet at lyris.ccdata.com
> > >
> > >
> > >Hello Ray
> > >
> > >I have just had an SD1 expansion tank fitted to my P6B. It was a
> > >tight squeeze, behind the brake booster.  Tomorrow I'll take a photo
> > >and send
> > it
> > >to your email address to show you how it went in, without removing
> > >the canisters.
> > >
> > >Cheers
> > >
> > >Peter Mitchell
> > >Perth WA [Also Western Australia to those in the US of A ]
> > >
> > >-----Original Message-----
> > >From: rovernet-bounces at lyris.ccdata.com
> > >[mailto:rovernet-bounces at lyris.ccdata.com]On Behalf Of Ray Wilkins
> > >Sent: Monday, 14 February 2005 11:00 AM
> > >To: rovernet at lyris.ccdata.com
> > >Subject: [ROVERNET - UK] Expansion Tank - next step
> > >
> > >
> > >Thanks to all those who responded to my request for details on how to
>
> > >set up an expansion tank on my 1976 P6B. I am still concerned at the
> > >lack of space. My car is still very original under the bonnet and
> > >there just doesn't seem to be any room for the tank. I have been told
>
> > >however that I could do away with one (or both) of the charcoal
> > >canisters but I'm unsure exactly how the 'plumbing' would work. By
> > >freeing up the RHS of the engine bay would then certainly give me
> > >enough room for the expansion tank.
> > >
> > >So, 2 questions. One, What are the ramifications of doing away with
> > >one or both charcoal canisters and Two, how would the plumbing work.
> > >
> > >Thanks in advance for your responses.
> > >
> > >Cheers,
> > >
> > >Ray Wilkins
> > >Melbourne, Australia
> > >1976 P6B
> > >
> > >
> > >
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> > >
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