Fuel Pump & FPR for a dellorto carb
#1
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MattG FTW!!!!!
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From: South Windsor, CT
Fuel Pump & FPR for a dellorto carb
I am installing my new dellorto carb.
I plan on going with this fuel pump
http://store.summitracing.com/defaul...=egnsearch.asp
It is a carter Universal Rotary Vane Electric Fuel Pump. I figure cant go wrong if it says rotary!!!
Its is max 6psi, with 72 gph. Will this be enough to feed my hungry Streetport.
For the FPR I know I have to drop the fuel pressure to around 2.25/2.5
http://store.summitracing.com/defaul...=egnsearch.asp
So I am planning on going with Holley FPR with 1-4 psi.
But my question on this is, do i need a return style FPR, or no?
Thanks
- Matt|ttaM
I plan on going with this fuel pump
http://store.summitracing.com/defaul...=egnsearch.asp
It is a carter Universal Rotary Vane Electric Fuel Pump. I figure cant go wrong if it says rotary!!!
Its is max 6psi, with 72 gph. Will this be enough to feed my hungry Streetport.
For the FPR I know I have to drop the fuel pressure to around 2.25/2.5
http://store.summitracing.com/defaul...=egnsearch.asp
So I am planning on going with Holley FPR with 1-4 psi.
But my question on this is, do i need a return style FPR, or no?
Thanks
- Matt|ttaM
#3
Thread Starter
MattG FTW!!!!!
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Joined: Feb 2005
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From: South Windsor, CT
No my dell doesnt have a return. How much longer does it make it last. I mean the only one I see on summit racing that has a return is 75 bucks and it is only 3-12 psi. Will that be low enough?
Just noticed those links dont really work.
Here you go
Fuel Pump
http://store.summitracing.com/largei...part=CRT-P4070
FPR
http://store.summitracing.com/largei...art=HLY-12-804
Just noticed those links dont really work.
Here you go
Fuel Pump
http://store.summitracing.com/largei...part=CRT-P4070
FPR
http://store.summitracing.com/largei...art=HLY-12-804
Last edited by MattG; 01-16-06 at 05:40 PM.
#4
you can always buy a fuel inlet fitting for the carb that has two ports, inlet and a smaller one for return.
that pump and regulator is fine. buy a fuel pressure gauge and plumb it in right before the carb. I use 2.25psi on my 7 and repu with dells.
that pump and regulator is fine. buy a fuel pressure gauge and plumb it in right before the carb. I use 2.25psi on my 7 and repu with dells.
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#8
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MattG FTW!!!!!
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From: South Windsor, CT
Originally Posted by trochoid
Does your Dell have a return? Some don't. A return style helps the pump last longer.
How long would it last if I dont get a return style one. So far I havent been able to find a return style on that goes low enough in the PSI range
#10
At that pump psi you shouldn't need a return. The return is required for the higher pressure fuel injection systems so that the pressure stays more constant, at least thats my understanding. I've been using two facet fuel pumps together into my Dell with no problems for years ( > 10 ). It was dual setup put out by Rotary Engineering at the time and I used the Dellorto from RB. Its all worked real well over the years except for the typical progressive carb behavior at low throttle. A lot of fun up top tho.
#13
Originally Posted by t_g_farrell
At that pump psi you shouldn't need a return. The return is required for the higher pressure fuel injection systems so that the pressure stays more constant, at least thats my understanding. I've been using two facet fuel pumps together into my Dell with no problems for years ( > 10 ). It was dual setup put out by Rotary Engineering at the time and I used the Dellorto from RB. Its all worked real well over the years except for the typical progressive carb behavior at low throttle. A lot of fun up top tho.
#14
I, too, run a pair of Facets on my streetported 13B 4 port. They are great pumps for the street, but for more serious applications, I switch over to my Holley Red. Actually, none of my pumps are being used right now, as my motor is in pieces. MY NEW HOUSINGS ARRIVED TODAY, THOUGH! w00t!
#15
Originally Posted by clean85owner
I, too, run a pair of Facets on my streetported 13B 4 port. They are great pumps for the street, but for more serious applications, I switch over to my Holley Red. Actually, none of my pumps are being used right now, as my motor is in pieces. MY NEW HOUSINGS ARRIVED TODAY, THOUGH! w00t!
#17
Facets come in different flow rates and pressures. Yours may be fine, it depends on the model. At the time I got mine from RE they used two to get the flow rate at the right pressure. I don't use a regulator at all on my Dell because the Facets are putting out the right PSI and the two of them flow enough for the highend. They're a bit noisy when they come on but other than that they have worked great over the years.
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