Sr20DEt gas mileage - Nissan 240SX Forums
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#1 Old 12-01-2007, 01:46 AM
 
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Sr20DEt gas mileage

Hey guys,

This is my first post and I'm currently in an auto class looking for a great project car that I can make into an everyday street car. Hence, I looked towards everything from the buzzy V-tecs and growling V-8s. With gas prices so high, I settled my sights for a 240sx razor back. I'm still looking for one with a decent interior and exterior. But my main focus is towards a engine swap. The stock Ka24 motors get 21-25 miles to the gallon, which is decent. Now, if I did the swap with a red-top sr20det, what would the mileage be then? I know most people say, stay out of boost....like its a friggin afterburner.... so with average driving, what would the gas mileage be ?
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#2 Old 12-01-2007, 03:08 AM
 
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im gonna be no help but, who cares? if you can afford to do the swap, chances are you can afford the gas to go with it.........

Blacktop 240 hatch

My '89 build up ----> HERE
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#3 Old 12-01-2007, 12:53 PM
 
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Well my 96 gets 27-28 MPG but I don't drive it hard either.... I'd guess around 16-18 with the SR20, buts that just a guess....


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#4 Old 12-02-2007, 11:38 AM
 
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A stock sr20det should get (almost) as good gas milage as a n/a car if you stay out of the boost. More air = more fuel. Last time I checked all my fwd sr20det buddies were getting around 26 mpg when they stayed out of the boost. And my old sr20de got around 30mpg.

And +1 for revo, if you can afford the swap you can most likley afford the gas IMO.

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#5 Old 12-02-2007, 11:52 AM
 
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Well a lot of people spend ALL their money on the swap, and don't have enough money for gas :O Gas these days. You have to be a million air to keep your tank full...
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#6 Old 12-04-2007, 02:42 AM
 
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I had the EXACT same question for guy who's gonna be building me a custom 240 w. an SR20DET, he said about 23MPH @ a constant speed.

Quote:
Originally Posted by braceyoself777 Last Post
Hey guys,

This is my first post and I'm currently in an auto class looking for a great project car that I can make into an everyday street car. Hence, I looked towards everything from the buzzy V-tecs and growling V-8s. With gas prices so high, I settled my sights for a 240sx razor back. I'm still looking for one with a decent interior and exterior. But my main focus is towards a engine swap. The stock Ka24 motors get 21-25 miles to the gallon, which is decent. Now, if I did the swap with a red-top sr20det, what would the mileage be then? I know most people say, stay out of boost....like its a friggin afterburner.... so with average driving, what would the gas mileage be ?
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#7 Old 12-04-2007, 05:17 AM
 
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I got around 15-17 and 23-24 in long drives with my old 240 w/ s13 SR20DET blacktop
and it was pretty much a stock motor with bolt ons.
I get better millage in my 400 and its a V8
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#8 Old 03-01-2008, 05:01 PM
 
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One of my friends used to have an S13 hatch with an SR20DET. It had some other bolt ons, and may have been running slightly higher than stock boost, I'm not sure (he said it was around 230-240HP).

Anyways, he said that under normal driving, he could get around 25 MPG average, and 30 on the freeway, but that with the way he drove it, he could watch the gas needle go down
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#9 Old 03-06-2008, 07:25 PM
 
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would CA18DET be better on gas seeing how its 1.8 as oppose to 2.0 liter?
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#10 Old 03-06-2008, 08:55 PM
 
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probably not because the fuel maps arent able to be tuned as accurately
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#11 Old 03-18-2008, 09:18 PM
 
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I get around 20 mpg for mixed driving in my DET powered SE-R.
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#12 Old 03-18-2008, 09:24 PM
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I used to get about 240~250 miles out of tank on my S13 with a stock SR. Driving it moderately hard.

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