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 Post subject: Whats your fuel pump?
PostPosted: Thu Nov 23, 2006 5:00 pm 
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848cc
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Joined: Sat Oct 28, 2006 7:34 pm
Posts: 118
Location: Adelaide
I'm just curious to know which type of fuel pumps everybody is using. My fuel pump is next in line for a rebuild. Please mention your basic engine specs.


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PostPosted: Thu Nov 23, 2006 5:22 pm 
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1275cc
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Joined: Wed Jun 14, 2006 9:45 pm
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Location: Adelaide, SA
I got a 3psi Facet fuel pump, does the job on my engine, which is a pretty stock S motor. I bought myself supercharger which will go in when I can afford to pay for the kit, and still I reckon the 3 psi pump wil lbe fine, if not I'll try a 6psi facet pump that I used to use on my car, don't think it effected the carbies but I have read that SU's don't like more than 2-4 psi. Cooper S stock was rated with a 3psi SU fuel pump.

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PostPosted: Thu Nov 23, 2006 5:27 pm 
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1275cc
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Joined: Sat Nov 19, 2005 1:37 pm
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Location: Vegus, Brisvegus
Same as above, no regulator. Single HIF6 on 1275 motor with dyno results posted somewhere...

EDIT: I forgot I modified the Facet. Standard return spring in the guts was too strong and the pump wouldn't self prime above the fuel level. I found a spring of suitable diameter and pit it in and now she pulses slower but will self prime.

M


Last edited by Mokesta on Thu Nov 23, 2006 5:47 pm, edited 1 time in total.

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PostPosted: Thu Nov 23, 2006 5:44 pm 
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1360cc
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Location: Cairns, Nrth QLD
I got some bloody rotary vane style that i got from repco. Unknown specs, but the newish facet 1 i had couldnt keep up with my twin SU's....

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 Post subject:
PostPosted: Thu Nov 23, 2006 5:55 pm 
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There is a big difference between pressure and volume. With carbies you don't need much pressure but you may need a larger volume.


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PostPosted: Thu Nov 23, 2006 6:02 pm 
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848cc
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Joined: Sat Jan 28, 2006 9:38 pm
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Location: Geelong, Victoria
I have the same as slinkey. 3psi solid state facet. I run a 1310 A+, 12g940 unleaded head ported polished, kent 286 cam, omega dished pistons, 45dcoe weber on medium manifold.

Its a pretty thirsty motor but the facet copes more that adequatly, I have a purolator fuel regulator just near the carby to keep things nice and smooth.

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 Post subject:
PostPosted: Thu Nov 23, 2006 6:16 pm 
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1275cc
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Joined: Wed Aug 16, 2006 4:47 pm
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Location: tasmania
6psi facet with a 45mm weber it will pull a sailor off your sister

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PostPosted: Thu Nov 23, 2006 6:53 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
3psi Facet/Purolator/TRW, (all same really) both cars. 1293 and 1360.

Mount it on a Mini square exhaust mount, it really shuts it up. :wink:

Mokesta, these pumps are really meant to be mounted below fuel level, this will ensure freedom from vapour lock in hot weather too.

Worst place to put a pump is up on the firewall, where Morris Minors had it. :lol:

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 Post subject:
PostPosted: Fri Nov 24, 2006 6:20 am 
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1275cc
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Joined: Sat Nov 19, 2005 1:37 pm
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Location: Vegus, Brisvegus
Agreed Doc but on a moke it's no easy task to run a line from the tank compartment to the rear subby and then forward again.

My alloy tank has a pump mount inside which currently holds an EFI pump. The Facet was just there until I finished the EFI manifold and swapped over. Unfortunately the EFI computer $ stopped that project for a while so I've got a less than optimal pump location. Next time I'm bored, out comes the tank and in goes an in-tank low pressure pump.

The facet paperwork says it is capable of priming up to 12 inches of inlet head difference, but it actually couldn't.


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 Post subject:
PostPosted: Fri Nov 24, 2006 7:08 am 
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1098cc
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Joined: Fri Aug 26, 2005 1:03 pm
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Location: Napier, NZ
People do seem to spend a lot of time worrying about fuel volume - if you take the crappiest old 'lectric fuel pump there is (mine for example!) and pump into a jar instead of your carb, you'll see one hell of a lot of fuel in just a few seconds. If your engine is using that much A) you'll have a range of about 4 miles and B) it's poked

So yes, worry about correct pressure, not volume.


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PostPosted: Fri Nov 24, 2006 9:32 am 
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Joined: Fri Jan 14, 2005 9:08 pm
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Location: Bris Vegas Occupation: Engineer
VL commodore 044 on EFI. Want to make a surge tank and put an in-tank walbro type, currently using diesel fuel filter (about 600cc) as surge tank!

Daniel

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 Post subject:
PostPosted: Fri Nov 24, 2006 12:36 pm 
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1275cc
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Joined: Tue Jun 08, 2004 1:52 pm
Posts: 4434
Location: Melbourne, VIC.
On Skippy (now W33VAN) I used a Mazda 929 fuel pump that looked like a Facet. Cost me $2 at a garage sale.

On the Auto-Moke I have a 6psi Facet. Too much pressure. I need to change pump or fit a regulator. Or I could fit a return line, as the HIF38 I have not fitted yet has the return line outlet. But taking out the Moke tank and brazing in a return line fitting doesn't bear thinking about!

Cheers,

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 Post subject:
PostPosted: Fri Nov 24, 2006 12:57 pm 
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1275cc
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Joined: Mon Sep 19, 2005 4:57 pm
Posts: 3635
Location: Gulgong
On a 1310 motor with a modded 12G940 head and MG Metro cam, with a HIF44, I have the standard diaphragm fuel pump.

Doesn't seem to be a problem as the motor currently pulls 7,000 rpm in all four gears. I have the luxury of country roads where I can rev it out on occasions.


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 Post subject:
PostPosted: Fri Nov 24, 2006 4:51 pm 
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998cc
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Joined: Tue Mar 28, 2006 7:30 pm
Posts: 1184
Location: ASQUITH NSW, Engine size:1310
what this facet?

any other names for this facet

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 Post subject:
PostPosted: Fri Nov 24, 2006 5:37 pm 
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Joined: Tue Oct 18, 2005 6:40 am
Posts: 1943
Location: New Zealand (whangarei)
facet 3psi? (square one), on a austin 1300(1100s) with extractors and an hs4, goes good.

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