A little help Henery - I have a sbc & I'm running Cyberdyne digital gauges. I'm up I canada on the west coast & I am trying to find a replacment oil sender that will work with the gauge. So far I have found out that the gauge works on 0- 90 ohmes ??? Was given a gm part #14040816 but gm say's the # is no good. I would go to Summit but with shipping # exchange it will cost about $100. to get it here.