Another thought that occured to me is to stick a rag into the intake. It w= ill let the engine idle, but won't let them get anywhere. Just be careful = that it doesn't get sucked in. Works for diesels too =20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .