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Old 10-27-2011, 06:52 PM   #1 (permalink)
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Nissan sentra mpg

I'm building a b13 for mpg of course and I'm wondering if the GA13 or sr20ve would b a good swap.I don't know to much about the GA13 and I don't even know were I can get 1 but I'm thinking the ga13 would be better because of it being a 1.3 but I hear so much about the neo motor being better for mpg. I don't wanna go aero mods because I like the look of my b13 n I'm going to put the sunny front eventually if you recommend a different motor or advice I would appreciate it

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Old 10-27-2011, 09:57 PM   #2 (permalink)
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I'd definitely go with a smaller engine for fuel economy. If you can't find a 1.3, then look for an older 1.5 from the early '80s, or the 1.6 that came in the B13s.
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Old 10-28-2011, 07:13 AM   #3 (permalink)
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Would the wiring from the 15s be a problem I think I know my answer to it but just wanna make sure If I'm rite And what's the highest mpg u seen between the 15s and 16s
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Old 10-29-2011, 03:17 AM   #4 (permalink)
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Yeah, I wasn't thinking. If all the B13s were OBD-I, then you'll have to stick with OBD-I engines.

I once got an honest 45 mpg, 450 miles from Salt Lake City to Las Vegas, on 10 gallons of gas. That was in an '82 Sentra wagon, when I drove like a madman.
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Darrell

Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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Old 10-29-2011, 08:21 AM   #5 (permalink)
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The 1.5 was a timing belt engine SOHC. The 1.6 was DOHC chain driven cams. I doubt you will see enough mileage improvement to ever justify that swap, even if it is possible.
Nissan also made a diesel version of that Sentra that was a mileage champion.

I drove a 4dr 240 miles (pre E10 here) on the Interstate on 6 gallons of fuel, going the speed limit or slightly over. The 1.6 is a great engine with few flaws. As long as you have decent gearing it should be good for great mileage, driven properly.

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Mech
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Old 10-29-2011, 03:38 PM   #6 (permalink)
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What bout the sr16ve and the sr20ve got any info on their mpg ratings
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Old 10-31-2011, 12:33 AM   #7 (permalink)
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I had an SR20DE in my MT B14, & counted on averaging 30 mpg traeling 7 mph over the PSL (I still had a lead foot then). It surprised me with 36 mpg from time to time. The VE engine should do better.

My '82 Sentra wagon had a 1.5 engine in it.

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Darrell

Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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