Honda Civic Performance - JDM Discussion Engine tech, forced induction, springs, shocks, brakes, tires, etc.

Fuel mileage..?

Old 24-Aug-2003, 05:43 PM
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Fuel mileage..?

Why is it that after the intake installation.. I get worse mileage?

Any ideas?
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Old 25-Aug-2003, 02:10 AM
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your foot got heavier???
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Old 25-Aug-2003, 04:47 AM
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Not at all.. I even rev lower too. I rev to 2000 rpm and change gears and I have problems making a 600 km tank.. before when I had my closed element intake.. I was easily reaching 800 km per tank.
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Old 25-Aug-2003, 07:05 AM
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switch back and test it to see if you can still get 800, then if you can, go back to the current set up and see if it is in fact your intake
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Old 25-Aug-2003, 02:10 PM
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Re: Fuel mileage..?

Originally posted by NoSpleeny
Why is it that after the intake installation.. I get worse mileage?

Any ideas?
more air = more gas burning
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Old 25-Aug-2003, 05:31 PM
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Exclamation

Cosmic is correct 100%.

I find it very hard to beleive that you used to get 800 KM per tank. No freakin way. The most I could get is 408 KM per tank on my 2000 SiR.
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Old 25-Aug-2003, 05:37 PM
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yeah cosmic hit it dead on you free up the air flow and the ecu doesn't want to see the engine lean out so it increases the fuel flow
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Old 25-Aug-2003, 05:54 PM
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i found the opposite... i find that with my cold air intake i get better millage.... cause i recently put my stock air box back on and i lose like 50 kms per tank now
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Old 25-Aug-2003, 06:48 PM
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When I put my short ram intake, I only lost about 50km-80km a tank.
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Old 25-Aug-2003, 07:27 PM
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Originally posted by PunkInDrublic
i found the opposite... i find that with my cold air intake i get better millage.... cause i recently put my stock air box back on and i lose like 50 kms per tank now
isn't your cold air intake one of those flexable pipes... that are ribbed?? if so your again resitricting the air even further... get it flow tested I think you'd find I'm right on this...
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