Do i need an electric fuel pump?

A

Anthony

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Joined Oct 26, 2003

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59 Posts

Discussion starter · #1 · Feb 16, 2004

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Im about ready to finish assembling my 396, i am considering a 100 shot of Nitrous. Is it absoulutly a must to have an electric fuel pump. Can i use just a good mechanical fuel pump???

 

R

Redrum

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Joined Apr 29, 2000

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962 Posts

#2 · Feb 16, 2004

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A good mechanical should be fine. The fuel line from your tank is just as important.

 

B

BillK

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Joined Aug 27, 1998

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12,147 Posts

#3 · Feb 16, 2004

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Anthony,
Almost everytime I have seen or heard of an engine that was destroyed by Nitrous ... it was due to lack of fuel. I am going to disagree with red and say you need a better than a mechanical pump IF you are going to spray it. Personally, I would run a completely seperate fuel line for the nitrous. If there are any doubts, call the manufacturer of your nitrous system and ask them. They will know for sure.

 

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Anthony

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Joined Oct 26, 2003

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Discussion starter · #4 · Feb 16, 2004

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seperate fuel line for the nos? can you elaborate. i dont know alot about nitrous. thats why im trying to learn now before i decide to buy

 

J

JOEL_TX

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Joined Oct 10, 2000

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105 Posts

#5 · Feb 16, 2004

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Keep the mechanical pump on the engine to supply fuel to the carb under regular driving.The electric pump is used to supply fuel only when the nitrous is used.Usually wired into the arming switch for the nitrous....

That way, if either pump ever goes out on ya, yer not stranded somewhere cause you can just disconnect a line and reconnect it..

the mechanical pump will support up to 100 shot of NOS, but I think you get more power out of adding the electric pump plus the peace of mind that there is always plenty of fuel even if one pump fails...