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#1
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Street Fuel Pump
I have been reading some resent discussions about fuel systems but haven't been able to get all my questions answered. I have a 71' Cuda that will be 99% street driven when back on the road. I just got the tank back after having the 10 year+ nasty fuel cleaned out, I've ordered a new 3/8" sending unit and am going to replace the fuel lines with 3/8". Question is about what fuel pump should I get? I'm looking at the following 3 units:
Aeromotive Street Rod Pump AEI-11203 Mallory 110 MAA-4110 Summit 140 SUM-G3134 I like the Mallory unit since it doesn't need a regulator but from what I have been able to find out it's HUGE. 11" tall and 4" wide, sort of tough to find a spot back by the tank. The Aeromotive and Summit units appear to be comparable. The tech guy at Summit told me that Aeromotive makes the Summit pump. Any good/bad or ugly things to say about these pumps? Recommendation on a regulator would be helpful. I have also been told that these three units are quiet. Locke |
#2
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You haven't said what the pump will be feeding?
440/426?? Dual four barrels? six pak? Fuel injection? NOS? street 6000rpm redline, or track 7500? I have a crate 360/380, 800cfm carb, runs perfectly with a carter street pump, which also fits and looks like stock. |
#3
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I'd go with the Carter street pump. That is what I use on my autocross car and no problems. 390 ci. ,750 Eddy, .492 lift cam. 9.67 comp. ratio. Great for the street.
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#4
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More Info
The motor is a 360 at this time but in the future I have plans to stroke it, max RPM 6000. Like I said 99% steet so lets forget the 7500. The car will probably sit for extended periods of time between use so the pump is partially just to fill the carb prior to starting. One of my pet peeves is loud fuel pumps so wondering if the Carter is quiet or a rattle trap, I had a boat a few years ago that had a Holley pump on it that drove me nuts. I don't mind paying a few more bucks for what I want.
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#5
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No noise at all.
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#6
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try the www.summitracing.com site, put this into the search field.
CRT-M6902 Chrysler: 273-360, street style, fuel pump |
#7
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I don't know about the Summit pump.
I think the Mallory 110 is a bit quieter than and Aeromotive pump. My friend has an Aeromotive pump and it is really loud, but I'm not sure what size it is. Since you said 99% street driven, the Carter High Volume Mechanical pump should work and would be really quiet, but you would still have the problem of having to crank the engine to prime a dry carb after the car has sat for some long periods of time. |
#8
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If I mounted an electric pump and only used it for priming would the mechanical pump be able to pull fuel through the electric pump? Also can anyone comment on the size of the Mallory Electric pump.
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#9
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For a street engine I wouldn't worry about an electrical pump. My Cart mechanical pump works just fine after the vehicle sits for a week or two. Takes a couple/few cranks to get it going , but works just fine.
I have no idea if it will suck fuel thru the electric, if the electric isn't running. I'd think it might. |
#10
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Tom's right the carter 120 GPH mechanical pump will feed up to 400 HP without any problems.
The 3/8ths lines are a good upgrade, just don't restrict the system with a cheezy fuel filter or a chunk of rubber hose to the carb. |
#11
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I have the Carter mech pump and the Carter 72 GPH electric pump both in series to feed my 340. The Carter electric is very noisy and the reason why I used it was that the Carter high perf pump only had 4 psi when warmed up and running. They advertise higher but its not true. I would not get the fuel requirements with the mech pump alone. If you like to cruise around nice and easy then it will be o.k. but under any real performance I found my mech pump slowed me down. The electric is noisy but performance is right up there. Now I have a steady 6.5 psi at the least with both pumps and I don't use a regulator because the pressure may never go over 7.5 psi. This is my experience, of course others may vary.
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#12
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I also found the Carter street pump to be a bit low on pressure when the engine was warm. On my 440 I decided to use the high pressure pump and a regulator. I just got the car running, but so far it seems to be working pretty good.
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