help picking fuel pump for 1200hp
10-22-2015, 02:18 PM
#1
Pro
Thread Starter
help picking fuel pump for 1200hp
i have an f1x and i need help picking a fuel pump. external / inline and no mechanical pump please.
a single or dual pumps is ok with me.
update: thanks for all the help in picking a pump. i picked up a single mp-4303 with 10 feed and 8 return. using a holley hydramat in the tank
more than enough fuel
a single or dual pumps is ok with me.
update: thanks for all the help in picking a pump. i picked up a single mp-4303 with 10 feed and 8 return. using a holley hydramat in the tank
more than enough fuel
Last edited by MrH00nel2; 12-06-2015 at 01:36 PM.
The following users liked this post:
MrH00nel2 (12-06-2015)
10-23-2015, 10:16 AM
#5
Tech Contributor
Or the Magnafuel 4703.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
10-23-2015, 11:34 AM
#7
Drifting
Or the Magnafuel 4703.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
It's nice that Aeromotive does provide a chart of flow for pumps such as the Pro
I'm running mine off a 14.5vDC voltage supply
It's a shame I didn't see this post sooner as I have an extra Aeromotive Pro pump, Aeromotive Pro Boost reference regulator and pre (Peterson 100) & post (Fore 10) stainless filters. The pump was just shipped to Aeromotive, checked out, re-furbished and shipped back. It's almost the same as what I'm using in the car, except I am using a Fore F4i regulator at the moment. This pump has no problem running a 402 LSx / YSi combo with 160# injectors up through 8,000 RPM.
I guess it's good to have a backup sitting around. I even have a few extra pressure gauges -- I've got too many parts lying around
10-23-2015, 12:12 PM
#8
Pro
Thread Starter
i had this big reply and since i was logged out it didn't post. well crap.
anyway thanks for the blownblue i am hoping the 4303 will work.
i am not a fan of aeromotive digivex but if this pump doesn't perform i will get it from you.
anyway thanks for the blownblue i am hoping the 4303 will work.
i am not a fan of aeromotive digivex but if this pump doesn't perform i will get it from you.
10-23-2015, 12:40 PM
#9
Drifting
Sorry I didn't see your post earlier. My parts are really hanging around as backup... But, if someone needed a setup like this I would be willing to discuss a sale - but, in no rush, don't need the $$$, not taking up much space and always good to have a spare on hand.
I don't have an opinion on brand... For me, it works: That's all I can ask for.
Thanks and best wishes with your build
10-24-2015, 01:25 AM
#10
ISIS SUCKS FAT CHOAD
You want to make 1200 HP. Cool. Let's assume this is a gasoline engine.
So, with a little math you can get a real good idea on where you need to be. (Do your homework and use this at your own risk)
You can use Brake Specific Fuel Consumption (B.S.F.C.) to get close. B.S.F.C. Is
How much fuel you're using to make one Horse Power for One Hour. (You can google all this stuff) Most forced induction applications have a B.S.F.C. of about .6 (some a little higher some a little lower) but .6 B.S.F.C. is a good number to start at for an F.I. Combo.
So...
1200 (your desired HP) X .6 (Your B.S.F.C.) = 720 Lbs of fuel. So you need a pump capable of flowing at least 720 Lbs. of fuel per hour or 120 gallons per hour.
Still with me?? Ok.
So... Let's figure out a good ball park estimate on what you should expect to see for fuel pressure using a 1 : 1 regulator at 24 PSI boost. This is pretty simple....
It's 58 (LS1 base Fuel Pressure in PSI) + 24 (Amount of boost in PSIG) = 82 PSIG fuel pressure needed at the injector. So if your fuel pump is capable of 720 Lbs of Fuel Per hour or 120 Gallons Per Hour @ 78 PSIG, then you shouldn't have a problem supporting 1,200 HP. It would be a good idea to have a system that has some wiggle room as this is only an estimate.
You can also use B.S.F.C. to get a good idea on what injector size you need to have.
1200HP X .6 = 720 Lbs. per hour. 720 Lbs. / 8 injectors = 90 Lbs Per Hour.
90 / .8 (80% injector duty cycle) = 112 Lbs Per Hour injector @ 80% Injector Duty Cycle.
Looks like Digivex Dave's pump and some ID 1300's will work for you.
Hope that helps.
So, with a little math you can get a real good idea on where you need to be. (Do your homework and use this at your own risk)
You can use Brake Specific Fuel Consumption (B.S.F.C.) to get close. B.S.F.C. Is
How much fuel you're using to make one Horse Power for One Hour. (You can google all this stuff) Most forced induction applications have a B.S.F.C. of about .6 (some a little higher some a little lower) but .6 B.S.F.C. is a good number to start at for an F.I. Combo.
So...
1200 (your desired HP) X .6 (Your B.S.F.C.) = 720 Lbs of fuel. So you need a pump capable of flowing at least 720 Lbs. of fuel per hour or 120 gallons per hour.
Still with me?? Ok.
So... Let's figure out a good ball park estimate on what you should expect to see for fuel pressure using a 1 : 1 regulator at 24 PSI boost. This is pretty simple....
It's 58 (LS1 base Fuel Pressure in PSI) + 24 (Amount of boost in PSIG) = 82 PSIG fuel pressure needed at the injector. So if your fuel pump is capable of 720 Lbs of Fuel Per hour or 120 Gallons Per Hour @ 78 PSIG, then you shouldn't have a problem supporting 1,200 HP. It would be a good idea to have a system that has some wiggle room as this is only an estimate.
You can also use B.S.F.C. to get a good idea on what injector size you need to have.
1200HP X .6 = 720 Lbs. per hour. 720 Lbs. / 8 injectors = 90 Lbs Per Hour.
90 / .8 (80% injector duty cycle) = 112 Lbs Per Hour injector @ 80% Injector Duty Cycle.
Looks like Digivex Dave's pump and some ID 1300's will work for you.
Hope that helps.
Last edited by MVP'S ZO6; 10-24-2015 at 01:46 AM.
10-24-2015, 01:50 AM
#11
Le Mans Master
You want to make 1200 HP. Cool. Let's assume this is a gasoline engine.
So, with a little math you can get a real good idea on where you need to be. (Do your homework and use this at your own risk)
You can use Brake Specific Fuel Consumption (B.S.F.C.) to get close. B.S.F.C. Is
How much fuel you're using to make one Horse Power for One Hour. (You can google all this stuff) Most forced induction applications have a B.S.F.C. of about .6 (some a little higher some a little lower) but .6 B.S.F.C. is a good number to start at for an F.I. Combo.
So...
1200 (your desired HP) X .6 (Your B.S.F.C.) = 720 Lbs of fuel. So you need a pump capable of flowing at least 720 Lbs. of fuel per hour or 120 gallons per hour.
Still with me?? Ok.
So... Let's figure out a good ball park estimate on what you should expect to see for fuel pressure using a 1 : 1 regulator at 24 PSI boost. This is pretty simple....
It's 58 (LS1 base Fuel Pressure in PSI) + 24 (Amount of boost in PSIG) = 82 PSIG fuel pressure needed at the injector. So if your fuel pump is capable of 720 Lbs of Fuel Per hour or 120 Gallons Per Hour @ 78 PSIG, then you shouldn't have a problem supporting 1,200 HP. It would be a good idea to have a system that has some wiggle room as this is only an estimate.
You can also use B.S.F.C. to get a good idea on what injector size you need to have.
1200HP X .6 = 720 Lbs. per hour. 720 Lbs. / 8 injectors = 90 Lbs Per Hour.
90 / .8 (80% injector duty cycle) = 112 Lbs Per Hour injector @ 80% Injector Duty Cycle.
Looks like Digivex Dave's pump and some ID 1300's will work for you.
Hope that helps.
So, with a little math you can get a real good idea on where you need to be. (Do your homework and use this at your own risk)
You can use Brake Specific Fuel Consumption (B.S.F.C.) to get close. B.S.F.C. Is
How much fuel you're using to make one Horse Power for One Hour. (You can google all this stuff) Most forced induction applications have a B.S.F.C. of about .6 (some a little higher some a little lower) but .6 B.S.F.C. is a good number to start at for an F.I. Combo.
So...
1200 (your desired HP) X .6 (Your B.S.F.C.) = 720 Lbs of fuel. So you need a pump capable of flowing at least 720 Lbs. of fuel per hour or 120 gallons per hour.
Still with me?? Ok.
So... Let's figure out a good ball park estimate on what you should expect to see for fuel pressure using a 1 : 1 regulator at 24 PSI boost. This is pretty simple....
It's 58 (LS1 base Fuel Pressure in PSI) + 24 (Amount of boost in PSIG) = 82 PSIG fuel pressure needed at the injector. So if your fuel pump is capable of 720 Lbs of Fuel Per hour or 120 Gallons Per Hour @ 78 PSIG, then you shouldn't have a problem supporting 1,200 HP. It would be a good idea to have a system that has some wiggle room as this is only an estimate.
You can also use B.S.F.C. to get a good idea on what injector size you need to have.
1200HP X .6 = 720 Lbs. per hour. 720 Lbs. / 8 injectors = 90 Lbs Per Hour.
90 / .8 (80% injector duty cycle) = 112 Lbs Per Hour injector @ 80% Injector Duty Cycle.
Looks like Digivex Dave's pump and some ID 1300's will work for you.
Hope that helps.
10-24-2015, 01:51 AM
#12
Le Mans Master
Or the Magnafuel 4703.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
10-24-2015, 02:04 AM
#13
ISIS SUCKS FAT CHOAD
Or the Magnafuel 4703.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
Be careful about picking pumps based on HP ratings. I don't even know why they advertise that way because it's quite misleading and dead wrong.
You need to know how much fuel you need and then you need to know how much fuel the pump is capable of supplying at the end pressure you're going to run with the voltage supply at the pump.
If you're boost referenced, your differential pressure is your base pressure, however you will calculate your fuel pump flow at the base pressure plus the boost you're going to run. Ex. 58psi base pressure and 20psi boost, you will calculate pump flow at 78psi. You will calculate your injector flow at your base pressure, regardless of what it ends up being at top boost and only if you're boost referenced. If you're not boost referenced, you will calculate it at your base pressure minus the amount of boost you're running.
and it's because they're phucking "*********"
10-24-2015, 10:36 AM
#14
Burning Brakes
I created a spreadsheet that does all of this math, taking into account injectors/pump(s)/fuel type/bsfc/etc. and plots it out so you know what base fuel pressure for your setup will yield the highest efficiency of the respective system. It was attached to a thread that Blownbluez06 created for explaining fuel system function in excellent detail, and considerations when choosing setup. Unfortunately it turned into some vendors pushing products, and not the technical reference it was intended to be and the thread was pulled.
10-24-2015, 10:59 AM
#15
Supporting Vendor
I created a spreadsheet that does all of this math, taking into account injectors/pump(s)/fuel type/bsfc/etc. and plots it out so you know what base fuel pressure for your setup will yield the highest efficiency of the respective system. It was attached to a thread that Blownbluez06 created for explaining fuel system function in excellent detail, and considerations when choosing setup. Unfortunately it turned into some vendors pushing products, and not the technical reference it was intended to be and the thread was pulled.
Sorry for the delay!
10-24-2015, 11:03 AM
#16
ISIS SUCKS FAT CHOAD
I created a spreadsheet that does all of this math, taking into account injectors/pump(s)/fuel type/bsfc/etc. and plots it out so you know what base fuel pressure for your setup will yield the highest efficiency of the respective system. It was attached to a thread that Blownbluez06 created for explaining fuel system function in excellent detail, and considerations when choosing setup. Unfortunately it turned into some vendors pushing products, and not the technical reference it was intended to be and the thread was pulled.
10-24-2015, 11:44 AM
#17
Burning Brakes
10-24-2015, 02:12 PM
#19
Pro
Thread Starter
You want to make 1200 HP. Cool. Let's assume this is a gasoline engine.
So, with a little math you can get a real good idea on where you need to be. (Do your homework and use this at your own risk)
You can use Brake Specific Fuel Consumption (B.S.F.C.) to get close. B.S.F.C. Is
How much fuel you're using to make one Horse Power for One Hour. (You can google all this stuff) Most forced induction applications have a B.S.F.C. of about .6 (some a little higher some a little lower) but .6 B.S.F.C. is a good number to start at for an F.I. Combo.
So...
1200 (your desired HP) X .6 (Your B.S.F.C.) = 720 Lbs of fuel. So you need a pump capable of flowing at least 720 Lbs. of fuel per hour or 120 gallons per hour.
Still with me?? Ok.
So... Let's figure out a good ball park estimate on what you should expect to see for fuel pressure using a 1 : 1 regulator at 24 PSI boost. This is pretty simple....
It's 58 (LS1 base Fuel Pressure in PSI) + 24 (Amount of boost in PSIG) = 82 PSIG fuel pressure needed at the injector. So if your fuel pump is capable of 720 Lbs of Fuel Per hour or 120 Gallons Per Hour @ 78 PSIG, then you shouldn't have a problem supporting 1,200 HP. It would be a good idea to have a system that has some wiggle room as this is only an estimate.
You can also use B.S.F.C. to get a good idea on what injector size you need to have.
1200HP X .6 = 720 Lbs. per hour. 720 Lbs. / 8 injectors = 90 Lbs Per Hour.
90 / .8 (80% injector duty cycle) = 112 Lbs Per Hour injector @ 80% Injector Duty Cycle.
Looks like Digivex Dave's pump and some ID 1300's will work for you.
Hope that helps.
So, with a little math you can get a real good idea on where you need to be. (Do your homework and use this at your own risk)
You can use Brake Specific Fuel Consumption (B.S.F.C.) to get close. B.S.F.C. Is
How much fuel you're using to make one Horse Power for One Hour. (You can google all this stuff) Most forced induction applications have a B.S.F.C. of about .6 (some a little higher some a little lower) but .6 B.S.F.C. is a good number to start at for an F.I. Combo.
So...
1200 (your desired HP) X .6 (Your B.S.F.C.) = 720 Lbs of fuel. So you need a pump capable of flowing at least 720 Lbs. of fuel per hour or 120 gallons per hour.
Still with me?? Ok.
So... Let's figure out a good ball park estimate on what you should expect to see for fuel pressure using a 1 : 1 regulator at 24 PSI boost. This is pretty simple....
It's 58 (LS1 base Fuel Pressure in PSI) + 24 (Amount of boost in PSIG) = 82 PSIG fuel pressure needed at the injector. So if your fuel pump is capable of 720 Lbs of Fuel Per hour or 120 Gallons Per Hour @ 78 PSIG, then you shouldn't have a problem supporting 1,200 HP. It would be a good idea to have a system that has some wiggle room as this is only an estimate.
You can also use B.S.F.C. to get a good idea on what injector size you need to have.
1200HP X .6 = 720 Lbs. per hour. 720 Lbs. / 8 injectors = 90 Lbs Per Hour.
90 / .8 (80% injector duty cycle) = 112 Lbs Per Hour injector @ 80% Injector Duty Cycle.
Looks like Digivex Dave's pump and some ID 1300's will work for you.
Hope that helps.
