How To Build A Flow Bench

A perfect way to get started with a flow bench for effective repeatable flow data.

How to build a flow bench. 10 more air equals 10 more. Stay tuned because my next article will give you helpful berm building tips and quality photo examples. For this project one could utilize any functional mass air flow sensor.

Specifically a used maf from a volvo s80 that we purchased from ebay. Our choice of sensor was dictated by availability on the used market and access to the manufacturer s datasheet. Small portable low power consumption.

Kevin johnstone is an avid mountain biker from vancouver canada. The basic 2 0 kit powered by a shop vacuum is a great way to build a precision flow bench on a budget. A perfect combination for the beginner or professional.

I asked terry about the flowbench he made here s what he said my flowbench started because i wanted to modify my car s engine by porting the heads. Flow testin this dry flow test performed on a superflow 600 flow bench you can see there is very little difference between the iron eagle and platinum intake ports each with 2 05 inch intake valves. For the most part we flow the exhaust at 28 inches and live with the fact that it is not the best way to do things.

In order to obtain usable flow data from the flow bench we utilized a mass air flow sensor maf. If you use home made water manometers you can build a very accurate flow measurement system for only a few dollars worth of hardware store parts and a bit of fabrication work. To incorporate some serious speed and flow you need to know how to build berms.

Very few flow bench setups are capable of this. He has been building trails across canada for 4 years. Although unconfirmed i have heard that ford s detroit division has a flow bench that can approach real world pressure drops and that it costs a mere seven figure number to build.