Re: engine analyzers...

Posted by 57ClipperWagon On 2015/8/21 13:06:23

the easiest way to test engine RPM accurately is with a photo tachometer. no connection required so voltage is irrelevant.
Here's one that's not expensive and would do anything you needed.http://www.amazon.com/AGPtek%C2%AE-Professional-Digital-Tachometer-Contact/dp/B004Q8L894/ref=sr_1_1?ie=UTF8&qid=1440180177&sr=8-1&keywords=laser+photo+tachometer