Mike Brown wrote: > I think this is closer... > > 800 rpm / 8 cylinders = 100 rpm Doesn't matter how many cylinders you have, you will still be doin' 800rpm... They're all in parallel. -- Matt Boland m.boland at cat.csiro.au CSIRO Division of Exploration and Mining Phone: +61 7 3212-4482 PO Box 883 Kenmore Fax: +61 7 3212-4455 QLD 4069 Australia