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15-03-2012, 02:30 PM
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#1
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Registered User
Country: SOUTH WEST UK
Location: WESTON SUPER MARE
Occupation: MERCEDES SALESMAN
Interests: POWER BOAT RACING
Boat name: BIG AIR
Boat make: PHANTOM 19
Engines: 200XS
Cruising area: BRISTOL CHANNEL
Join Date: Mar 2008
Location: WESTON SUPER MARE
Posts: 792
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XR" Fuel Pump
Hi can anyone confirm how many litres per minute fuel pump would be required for an XR2 motor.Thanks Nic
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15-03-2012, 02:46 PM
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#2
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The Doc
Join Date: Mar 2004
Posts: 8,291
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ballpark 90LPH @ WOT
I believe a base model holley (red) electric pump works great
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15-03-2012, 03:37 PM
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#3
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Martyn W
Country: uk
Location: Guernsey Channel island
Occupation: wholesale food sales
Interests: Burning fuel!!!
Boat name: The Magician, A Fine Pair
Boat make: ring20b, chriscraft stinger 26
Engines: merc XR2, 2X AQ311B 5.7's
Cruising area: channel islands
Join Date: Jul 2009
Location: Guernsey Channel island
Posts: 284
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Yeah 90LPH is about right, iv always run mine on either facet red top or holley low pressure pumps with a pressure regulator in line
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15-03-2012, 04:38 PM
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#4
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Registered User
Country: uk
Location: salcombe
Occupation: semi retired
Interests: racing(middle east class 3 6l)
Boat name: still no worries
Boat make: phantom18
Engines: 2.5 efi
Cruising area: salcombe
Join Date: Dec 2007
Location: salcombe
Posts: 499
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What's wrong with a normal v6 pump more reliable, we always ran them with no problems.
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15-03-2012, 05:48 PM
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#5
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Senior Member
Country: UK
Location: Devon
Occupation: Garage Proprietor
Interests: PowerBoat Racing
Boat name: If Only
Boat make: Bernico F3 OCR, Bernico Prototype Inboard, and some Ribs
Engines: Yamaha Pro V 115
Cruising area: UK, France
Join Date: Jan 2005
Location: Devon
Posts: 3,095
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I am with Derek on that one Std XR2 Mechanical pump !!
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If Only
National Outboard Immersed Propeller Mono Record 103mph
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15-03-2012, 06:23 PM
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#6
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Registered User
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer
Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,351
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ive got a red top holley if you want one Nic
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15-03-2012, 08:12 PM
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#7
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Registered User
Country: SOUTH WEST UK
Location: WESTON SUPER MARE
Occupation: MERCEDES SALESMAN
Interests: POWER BOAT RACING
Boat name: BIG AIR
Boat make: PHANTOM 19
Engines: 200XS
Cruising area: BRISTOL CHANNEL
Join Date: Mar 2008
Location: WESTON SUPER MARE
Posts: 792
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Fuel Pump
Quote:
Originally Posted by OCRDA
I am with Derek on that one Std XR2 Mechanical pump !!
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It already has an electric pump but it would more at home on rusty old tractor, and I know it will go faster with a nice shiney one.my old boat had a regulator but this one doesn't,is it necessary?
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15-03-2012, 09:53 PM
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#8
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Registered User
Country: uk
Location: salcombe
Occupation: semi retired
Interests: racing(middle east class 3 6l)
Boat name: still no worries
Boat make: phantom18
Engines: 2.5 efi
Cruising area: salcombe
Join Date: Dec 2007
Location: salcombe
Posts: 499
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Electric pump needs a regulator,(rob,ocrda will tell you the right psi) mechanical pump doesn't.
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16-03-2012, 07:33 AM
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#9
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Registered User
Country: UK
Location: Coventry (but from Lee on Solent)
Occupation: Sales Director
Interests: My Boat of course
Boat make: Extreme 21
Engines: Merc V8
Cruising area: Solent
Join Date: Jul 2005
Location: Coventry (but from Lee on Solent)
Posts: 587
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Not strictly true. Depends on pump psi and flow rate. Facet and holley both do one that can be used without a regulator as they are within the xr2 spec.
If memory serves me, 5-6 psi. Holley red top or facet silver top competition models. If you went with a holley blue or facet red or blue top then you would need a regulator to reduce the pressure.
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