Did some work on my car today
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Did some work on my car today
I upgraded the wires from my fuel pump to 10 gauge. WOW! what a huge difference. It changed the tone of my pump and got rid of inconsistency issues I was having with fuel. This is a 100% must if you have an upgraded fuel pump. This has also helped my injector offset issue I was having. I just thought I would share the info to help others.
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Thats exactly what I was thinking. I still cant believe the difference. It runs like a different car.borat wrote:This would probably even benefit a stock pump slightly. Even 1 or 2 extra volts over 12v causes a large increase in flow in most pumps, often exceeding the percentage voltage increase.
Maybe not on all Hondas, but my 1991 civic it sure did help. This leads me to believe that this is the reason my last motor popped. I was running on the same tune for months and then one day BOOM! I think it just lost voltage and could not flow the needed fuel.Civic Tsi wrote:Nice. heard about this on DSM and SRT4, didn't know it would make a big diff on a Honda.
Almost any honda can benefit from a fuel pump rewire. You got to think, any car manufacturer will save money if not needed to make the car work. Also they never plan for after market add ons. It's an economy car after all. I too also noticed a difference, and I've got a 99 hatch, so it's not just on yours.
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If you got your battery in the back of your car it can be made quite simple. Take a heavy relay and activate this relay with the stock old fuel pump wiring. Take a thicker wire directly from the battery to power the pump via the relay. You only have to put some fuse between the battery and the relay. Also, I heard a few times that the ground of the tank is often quite bad. Making the grounding better can also have good results.
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That is exactly what I did, Except I took it a step further and replaced the wires in the tank too. I also replaced where the stock positive terminal goes through the pump housing so it is really 10 gause from battery to pumpGaskleppie wrote:If you got your battery in the back of your car it can be made quite simple. Take a heavy relay and activate this relay with the stock old fuel pump wiring. Take a thicker wire directly from the battery to power the pump via the relay. You only have to put some fuse between the battery and the relay. Also, I heard a few times that the ground of the tank is often quite bad. Making the grounding better can also have good results.
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I did same long time. Till the pump is 10gauge gnd and power.Adam Hopkins wrote:That is exactly what I did, Except I took it a step further and replaced the wires in the tank too. I also replaced where the stock positive terminal goes through the pump housing so it is really 10 gause from battery to pumpGaskleppie wrote:If you got your battery in the back of your car it can be made quite simple. Take a heavy relay and activate this relay with the stock old fuel pump wiring. Take a thicker wire directly from the battery to power the pump via the relay. You only have to put some fuse between the battery and the relay. Also, I heard a few times that the ground of the tank is often quite bad. Making the grounding better can also have good results.
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Most people will wire the stock fuel pump power wire to activate the relay, and they'll run a fused wire back from the battery through a relay to the pump. For the ground some people just find a good ground through metering, while others run it back to the t-stat engine ground or the battery ground. Just depends on how you want to do it.
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