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Author Topic: Probably a silly question but ............  (Read 7179 times)
Billy_Boy
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« on: February 28, 2015, 05:43:56 PM »

is the mechanical fuel pump (reliant 850) interchangeable with austin mini's ?
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Olds
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« Reply #1 on: February 28, 2015, 06:45:09 PM »

Not sure but I don't think so. Burlen (SU) list a pump for the A series BMC engine, but don't have one for Reliant 850.
Fifer would be the one to know for sure.
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Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
Billy_Boy
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« Reply #2 on: February 28, 2015, 07:49:17 PM »

Thanks Olds
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fifer
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« Reply #3 on: February 28, 2015, 11:15:11 PM »

If changing from an early fuel pump to the later pumps you need to fit a spacer with a gasket either side between the pump and the block . You would also need the longer studs .
Do not buy any fuel pump with plastic tops as the inlet and outlet spouts can come loose .

Reliant sell the pump
http://www.reliantpartsworld.co.uk/reliant-robin/robin-fuel-system/fuel-pump
mini pump
http://www.minispares.com/product/classic/AZX1818MS.aspx

I have fitted the Mini pump in the past but have always got the Reliant pump .
Whether the new Reliant pumps are as reliable as the old pumps , I cannot comment on .

When fitting the new pump make sure that the curved drive sits on top of the cam when inserting . This is easy to check as the pump will be tilted in towards the engine at the top and when you press on the pump to line it up you will feel a springy resistance .
When the pump is fitted in place check that the pump is correctly fitted by using a spanner on the timing pulley nut to turn the engine 2 or three revolutions by hand .
.
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Confucious ; He say that man who take woman up hill , him not on level
Billy_Boy
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« Reply #4 on: March 01, 2015, 01:13:23 AM »

Many thanks Fifer, no fuel pump fitted on this engine, but my mate has a couple of mini ones I can pinch,  just trying to save a few quid  Grin
« Last Edit: March 01, 2015, 03:46:29 PM by Billy_Boy » Logged
fifer
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« Reply #5 on: March 01, 2015, 12:07:54 PM »

Have a look at the angled bit which fits inside the engine ;

http://www.minispares.com/product/classic/AZX1818MS.aspx

I have not used the following type ;

http://www.minispares.com/product/Classic/Fuel/Pumps/AZX1818.aspx?1303&ReturnUrl=/product/classic/AZX1818MS.aspx|Back%20to 

and remember it needs the spacer ;

http://www.minispares.com/product/Classic/Engine/Block/Gaskets/GUG705603GM.aspx?100108&ReturnUrl=/product/Classic/Fuel/Pumps/AZX1818.aspx|Back%20to
,
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Confucious ; He say that man who take woman up hill , him not on level
Billy_Boy
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« Reply #6 on: March 01, 2015, 01:54:45 PM »

Thanks Fifer, will find a spacer, or an original reliant pump  Wink
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BikerGran
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« Reply #7 on: March 01, 2015, 03:14:02 PM »

https://www.google.co.uk/#q=spacer+for+reliant+fuel+pump
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You don't stop havin fun because you get old - you get old if you stop havin fun!
Billy_Boy
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« Reply #8 on: March 01, 2015, 03:35:41 PM »

Thanks Bobbi, I seriously underestimated how much this build was going to cost (probably along with the rest of you )  Smiley
« Last Edit: March 01, 2015, 03:40:56 PM by Billy_Boy » Logged
ROD
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« Reply #9 on: March 01, 2015, 05:26:20 PM »

Ive made a spacer from a couple of thicknesses of something like 6mm perspex in the past.
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Billy_Boy
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« Reply #10 on: March 01, 2015, 06:05:16 PM »

Thanks for that Rod, but we managed to locate a spacer  Grin
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andyrennison
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« Reply #11 on: March 03, 2015, 10:07:31 PM »

Thanks Bobbi, I seriously underestimated how much this build was going to cost (probably along with the rest of you )  Smiley

Ive seriously given up adding it up now. It just dpresses me.
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Thousands of candles can be lit from a single candle,
and the life of the candle will not be shortened.
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Billy_Boy
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« Reply #12 on: March 05, 2015, 07:06:41 PM »

Aye, I think trike building may be  paying off the national debt, who would have thought men with shed's would be national economic hero's  Grin
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Manky Monkey
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« Reply #13 on: March 05, 2015, 07:27:57 PM »

I've employed a small army of nut & bolt manufacturers with my truck.
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On the last freedom moped out of Nowhere City.
BikerGran
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« Reply #14 on: March 05, 2015, 07:44:47 PM »

I did that just rebuilding a bike as standard!


BTW Billy Boy - re the thread title - I don't think these folks believe in such a thing as a silly question!
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You don't stop havin fun because you get old - you get old if you stop havin fun!
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