Engine swaps, Mpg focused |
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Engine swaps, Mpg focused |
r_towle |
Jun 1 2022, 08:08 PM
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#1
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Custom Member Group: Members Posts: 24,624 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
Leave the SBC and flat6 conversions out of this.
Who has swapped a different engine into a 914? Something Japanese, great mpg? |
Chris914n6 |
Jun 2 2022, 03:52 PM
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#2
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Jackstands are my life. Group: Members Posts: 3,393 Joined: 14-March 03 From: Las Vegas, NV Member No.: 431 Region Association: Southwest Region |
My 2 cents...
Weight is not a factor in highway mileage, just stop-n-go. Modern cars go into 'lean burn' to get the 40mpg, which can't be done on our aircooled motors. Also tech like VVT that reduces pumping losses by adjusting the exhaust cam. Plus more efficient trans. So a modern engine swap won't necessarily get us the same results without ALL the components swapped over. My Nissan 3.0 v6 190hp measured 24/29 on it's last WCR trip. A stock 1997 Maxima is rated 22/27 and weights 1,000 lbs more. All the water pumper additions weigh less that 100lbs, so really not a factor in mpgs. A Rav4 awd is up to 4400lbs. Talk about a porker... A stock 1.7 with a well tuned MS might get you over 40mph highway. ECO focus tires would be a good start. But for long trips a Prius or that Fiesta makes sense and would be more comfortable I would think. |
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