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 9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
23rd Apr, 2010 at 11:00:01am
Even if you run a sleve thing http://www.minispares.com/Product.aspx?ty=...id=36446&title=
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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17 Posts Member #: 8805 Member |
23rd Apr, 2010 at 11:00:57am
The pump has a built in temp control and controls the flow rate of coolant according to temp. Like a thermo but doesnt require a water pump that is taking power off the engine to run. |
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 7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
23rd Apr, 2010 at 01:32:05pm
I find it hard to get the water up to temperature. We all agree on that it's beneficial to get the temp up as fast as possible, so why not run a thermostat? On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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17 Posts Member #: 8805 Member |
23rd Apr, 2010 at 01:39:25pm
The Davies Craig is set up so you dont need one, it circulates slowly until up to temp and then controls the flow to hold it there. Then if you thrash it it will flow quickly to bring temp back down. Also in Australia getting up to temp is not a problem. |
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 8604 Posts Member #: 573 Formerly Axel Podland |
23rd Apr, 2010 at 01:44:54pm
THe thing to remember about the thermostat is that it has dual role.
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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 10022 Posts Member #: 1456 Mongo Barnsley, South Flatcapshire |
23rd Apr, 2010 at 01:48:14pm
Wouldn't a blanking sleeve perform the restriction job? If something is worth doing, it's worth doing half of. |
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8604 Posts Member #: 573 Formerly Axel Podland |
23rd Apr, 2010 at 02:28:51pm
On 23rd Apr, 2010 John said:
Wouldn't a blanking sleeve perform the restriction job? Yes, but once you add the restrictor, most of the electric pumps available can't handle the extra pressure. Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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520 Posts Member #: 2093 Post Whore Grenoble, France |
23rd Apr, 2010 at 03:45:48pm
On 23rd Apr, 2010 Paul S said:
THe thing to remember about the thermostat is that it has dual role. It controls flow to maintain a constant temperature, but it also creates a restriction in the system to raise the pressure in the block and head above the radiator pressure. This raises the temperature at which the coolant will boil. Removing the restriction of the thermostat is to be avoided, even if you fit an electric water pump with a closed loop temperature control. Looks strange as explanation. When water is cold and thermostat is closed there is no need to increase the boiling point. When water is hot the thermostat is open, so no restriction. Regarding your signature about the Paris Metro: did you try the Moscow Metro ? std 998 A+, g295, MD266, RHF4, 109hp @0.8bar/5400rpm |
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8604 Posts Member #: 573 Formerly Axel Podland |
23rd Apr, 2010 at 04:00:17pm
On 23rd Apr, 2010 alpa said:
Looks strange as explanation. When water is cold and thermostat is closed there is no need to increase the boiling point. When water is hot the thermostat is open, so no restriction. Regarding your signature about the Paris Metro: did you try the Moscow Metro ? The thermostat still creates a considerable restriction when it is fully open and hot. I've never been to Moscow, but Paris is OK unless you get pick-pocketed like I did at the Gare de Nord! Edited by Paul S on 23rd Apr, 2010. Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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10022 Posts Member #: 1456 Mongo Barnsley, South Flatcapshire |
23rd Apr, 2010 at 04:10:45pm
Oooo Eck! I've only just seen your Metro bashing sig. If something is worth doing, it's worth doing half of. |
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8604 Posts Member #: 573 Formerly Axel Podland |
23rd Apr, 2010 at 04:16:40pm
On 23rd Apr, 2010 John said: Oooo Eck! I've only just seen your Metro bashing sig.  
Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
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17 Posts Member #: 8805 Member |
23rd Apr, 2010 at 10:53:21pm
A restrictor in a small motor like a mini with only a small amount of coolant will be a pushover for one of these pumps. I have one on my Jeep which is built for the Malasian Rainforest challenge and the rad is in the back, it pushes water all that way and controls temps in a truck with a worked 4.8 litre straight six which is normally buried to the doorhandles in mud. The pumps also come standard on Ferraris and are built in Austaralia. Only downside is they are a bit big. |
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784 Posts Member #: 912 Post Whore North Yorkshire |
27th Apr, 2010 at 07:48:03pm
Q&A 3 on the Davies site.
I drill holes in everything..! |
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