Thread: Engine dyno question

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.....I've only had two engines built but I've had both of them run on a flywheel dyno before putting them in the cars. I swear by them, don't think I would ever put a fresh engine in a car without dyno tunning it. Unless I had access to a rear wheel dyno. The only rear wheel dyno in my area only does the dyno pulls, no tune up involved such as jets & timing changes.... The first engine I had built put out something like 30 - 40 more HP on the last pull versus the first pull. And all in a couple of hours, it would take me 10 years to get that done on the street, if in fact I ever even did it!!! Plus, if somethings wrong with the motor your going to know it RIGHT away. I was told by both engine builders who built my motors that it didn't hurt anything to dyno an engine. Unless it's built wrong & if it is I want to know now not 200 miles down the road when the motor is in the car.... Bill