93 Accord Posted April 3, 2012 Share Posted April 3, 2012 Just wanting to get to the bottom of the MPG differences.Because the Vtec-e was designed for maximum fuel efficiency, and therefore you would assume it was better on fuel than a D14.Anyone got any mpg results for the Vtec-e? Quote Link to comment Share on other sites More sharing options...
93 Accord Posted April 3, 2012 Author Share Posted April 3, 2012 Just wanting to get to the bottom of the MPG differences.Because the Vtec-e was designed for maximum fuel efficiency, and therefore you would assume it was better on fuel than a D14.Anyone got any mpg results for the Vtec-e? Quote Link to comment Share on other sites More sharing options...
hickster Posted April 3, 2012 Share Posted April 3, 2012 Yes, discussed in this thread-viewtopic.php?f=14&t=9061As a very unscientific rule of thumb the short ratio box on the D14 makes it good on b road/ town economy but the extra legs on the D15 make it an excellent mile cruncher once it gets going. Quote Link to comment Share on other sites More sharing options...
hickster Posted April 3, 2012 Share Posted April 3, 2012 Yes, discussed in this thread-viewtopic.php?f=14&t=9061As a very unscientific rule of thumb the short ratio box on the D14 makes it good on b road/ town economy but the extra legs on the D15 make it an excellent mile cruncher once it gets going. Quote Link to comment Share on other sites More sharing options...
EmZvr Posted April 3, 2012 Share Posted April 3, 2012 Definitely the vtec-e. It's unbeatable in fuel economy. And I think D15Z1/Z3 is a little bit better than D15Z8 but has very little power. Quote Link to comment Share on other sites More sharing options...
EmZvr Posted April 3, 2012 Share Posted April 3, 2012 Definitely the vtec-e. It's unbeatable in fuel economy. And I think D15Z1/Z3 is a little bit better than D15Z8 but has very little power. Quote Link to comment Share on other sites More sharing options...
93 Accord Posted April 3, 2012 Author Share Posted April 3, 2012 yep i saw that thread when i searched, prior to making a new topic, has good info, but goes off tangent slightly.So the main difference is the gearing, dispite the engines vtec system to aid economy.Based on that, would a D14a2 benefit from a D15 vtec-e gearbox for 60mph mpgs? or better still, whip out the 5th gear from a vtec-e and stick it in? Quote Link to comment Share on other sites More sharing options...
93 Accord Posted April 3, 2012 Author Share Posted April 3, 2012 yep i saw that thread when i searched, prior to making a new topic, has good info, but goes off tangent slightly.So the main difference is the gearing, dispite the engines vtec system to aid economy.Based on that, would a D14a2 benefit from a D15 vtec-e gearbox for 60mph mpgs? or better still, whip out the 5th gear from a vtec-e and stick it in? Quote Link to comment Share on other sites More sharing options...
EmZvr Posted April 4, 2012 Share Posted April 4, 2012 It will make a difference but 5th gears are the same for D14 and D15, the difference is in the final drive. D14 has 4.437, D15 has 3.888. So changing it will make all your gears longer and 1.4 motor with vtec-e gears.. this will be slow as snail Vtec-e has also a EGR system which helps with fuel economy Quote Link to comment Share on other sites More sharing options...
EmZvr Posted April 4, 2012 Share Posted April 4, 2012 It will make a difference but 5th gears are the same for D14 and D15, the difference is in the final drive. D14 has 4.437, D15 has 3.888. So changing it will make all your gears longer and 1.4 motor with vtec-e gears.. this will be slow as snail Vtec-e has also a EGR system which helps with fuel economy Quote Link to comment Share on other sites More sharing options...
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