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Old 02-12-2013, 11:47 AM
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Default RE: What will get better MPG?

ORIGINAL: goodvibes

its late ,im tired and have to get up at 5 inthe morning,but its time to initiate anyone who likes to learn , some little known secrets about how engines really work,but first,
Never good to imagine you know more than the next guy...even if you do.
Baronbrian laid out why the diesel has better fuel efficiency. The diesel turns at a slower RPM and produces more torque....it uses the fuel more efficently for those tasks. If you want high RPM and more power the petrol is not so efficient ..but burns faster
Is the debate about a comparison between a petrol engine at WOT and a diesel...or the fact a petrol has a throttle?