Board Thread:Questions and Answers/@comment-99.61.199.2-20130403201100/@comment-6294495-20130404004017

Steam engines create more power, yes. You would need hundreds of Redstone engines for a quarry. Use Combustion engines, they won't blow up if you make an easy timing system, check this out...http://thetekkit.wikia.com/wiki/Tutorial_/_Combustion_Engine_Clocks