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Leighton
 Post subject: waterpump
PostPosted: Thu Feb 26, 2009 8:33 pm 
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998cc
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which water pump should i use? a high flow or just a standard one?

ive got a 1060 Re13 cam, head work (de-shrouded valves), skimmed dont know exact i think GR said 100-200thou off, GR's high comp pistons.

cheers leighton

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1310/71
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PostPosted: Thu Feb 26, 2009 8:40 pm 
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I think the hi-flow is in order, but equally important to make sure your whole cooling system is in shape too eg radiator, fan etc.

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Leighton
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PostPosted: Thu Feb 26, 2009 8:48 pm 
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yep ill make sure its all good.

what type of needle for a 1 and 1/2" SU on a standard manifold would i need?

cheers leighton

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Gadgets mini
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PostPosted: Thu Feb 26, 2009 9:20 pm 
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try a water pump that doesn't look like this :wink: :wink:

Image

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Leighton
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PostPosted: Thu Feb 26, 2009 9:32 pm 
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yer thats pretty much my old one

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Gadgets mini
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PostPosted: Thu Feb 26, 2009 9:36 pm 
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I went the high flow

it handled the recent heat wave with no problems :wink:

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mtsmini wrote:
Master, you are wise beyond your years.....I am a mere grasshopper before you :D

Tombo wrote:
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Leighton
 Post subject:
PostPosted: Thu Feb 26, 2009 9:38 pm 
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k thanks

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simon k
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PostPosted: Thu Feb 26, 2009 9:50 pm 
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dunno why anyone would by the standard one....

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Leighton
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PostPosted: Thu Feb 26, 2009 10:13 pm 
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because they're uneducated like me :D

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850man
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PostPosted: Thu Feb 26, 2009 10:13 pm 
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Buy a pump with a cast iron impeller, not the cheap S@%! pressed steel type. I have only used std pumps on every motor i have ever built including all my race motors and have never had the need for a "high flow" pump.

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drmini in aust
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PostPosted: Fri Feb 27, 2009 7:28 am 
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Stay away from the ones with bent tin impellers, they are rubbish.
If putting a hi-flow one in a smallbore, check the impeller doesn't foul inside the block...

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justminis
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PostPosted: Fri Feb 27, 2009 7:29 am 
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850man wrote:
Buy a pump with a cast iron impeller, not the cheap S@%! pressed steel type. I have only used std pumps on every motor i have ever built including all my race motors and have never had the need for a "high flow" pump.


For the purposes of discussion and leaving the pressed steel impeller type alone, what is the difference between a standard water pump and a "high flow" pump?

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drmini in aust
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PostPosted: Fri Feb 27, 2009 7:49 am 
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High flow impeller is wider, by maybe 1/4". :wink:

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mattsmadmini
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PostPosted: Fri Feb 27, 2009 9:10 am 
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drmini in aust wrote:
Stay away from the ones with bent tin impellers, they are rubbish.
If putting a hi-flow one in a smallbore, check the impeller doesn't foul inside the block...


Yeh made that rookie error last year.... standard pump should be up to the job if the rest of the cooling system is in good nick...

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Wombat
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PostPosted: Fri Feb 27, 2009 11:25 am 
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drmini in aust wrote:
If putting a hi-flow one in a smallbore, check the impeller doesn't foul inside the block...


And if it does....?

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David L
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