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Oil Pump Question.


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#1 Gillybobs

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Posted 06 June 2018 - 10:06 PM

Hi just about to start the reassembly of my 1275 a plus engine wondered what oil pump to use . I could use the original from the engine but I feel it would be sensible to fit a new pump . My only worry is that new pumps seem to be very cheap so I m concerned about the quality of them. Should I be worried? What oil pump are people fitting and where from ?

#2 nicklouse

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Posted 06 June 2018 - 10:38 PM

strip and inspect old one. guess it will need replacing. then what ever pump you get strip it and make sure it is to tolerance and adjust to suit.



#3 Cooperman

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Posted 06 June 2018 - 10:42 PM

I recently had a new oil pump which wouldn't prime. I changed it for a Turbo oil pump and it primed in a few seconds.

Original has gone back for a refund.



#4 Moke Spider

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Posted 07 June 2018 - 03:45 AM

I'd be fitting a new pump without question - the Oil that goes through them is unfiltered, and in a Mini, that's some dreadful 'stuff' (from the gearbox).

 

I've used loads of the steel backed Pumps and found them great.



#5 Mini Manannán

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Posted 07 June 2018 - 07:44 AM

I'd be fitting a new pump without question - the Oil that goes through them is unfiltered, and in a Mini, that's some dreadful 'stuff' (from the gearbox).
 
I've used loads of the steel backed Pumps and found them great.

Give the fella a link Chris?

#6 Moke Spider

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Posted 07 June 2018 - 08:23 AM

 

I'd be fitting a new pump without question - the Oil that goes through them is unfiltered, and in a Mini, that's some dreadful 'stuff' (from the gearbox).
 
I've used loads of the steel backed Pumps and found them great.

Give the fella a link Chris?

 

 

http://www.minispare...px|Back to shop

 

I'll add to that by saying don't use a pump with more capacity than what the engine needs, ie, don't fit a Turbo Pump to a N/A Engine.



#7 Gillybobs

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Posted 07 June 2018 - 06:24 PM

I'd be fitting a new pump without question - the Oil that goes through them is unfiltered, and in a Mini, that's some dreadful 'stuff' (from the gearbox).
 
I've used loads of the steel backed Pumps and found them great.

Give the fella a link Chris?
 
http://www.minispare...px|Back to shop
 
I'll add to that by saying don't use a pump with more capacity than what the engine needs, ie, don't fit a Turbo Pump to a N/A Engine.

I understand what your saying about the turbo pump . The extra capacity is not going to go through the engine but just get dumped back to the sump by the relief valve .

#8 Cooperman

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Posted 08 June 2018 - 09:16 AM

I often use a turbo pump in 1275 builds. My personal feelings are that you will only get the initial pressure as governed by the relief valve, but when the oil is hot and this thinner there will still be a god flow.

Excess flow will just feed back if the pressure is also too high and at normal operating temps the flow will be good as will the pressure. Too much available flow won't damage an engine, too little might.

I put a turbo pump on the engine which wouldn't prime because I had one and it cured the issue instantly.



#9 myredmini

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Posted 09 June 2018 - 11:51 AM

AC Dodd "zero tollerance" pump is what you want. £35 delivered

#10 Gillybobs

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Posted 09 June 2018 - 04:39 PM

AC Dodd "zero tollerance" pump is what you want. £35 delivered


Have you got a link ?

#11 spin

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Posted 09 June 2018 - 08:25 PM

 

AC Dodd "zero tollerance" pump is what you want. £35 delivered


Have you got a link ?

 

https://www.facebook.com/ac.dodd.1






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