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JD`s Jimmy Doom Norman Milwaukee Muscle Jimmy Doom Norman Milwaukee Muscle

Flow-Tech racing is the competition side of Milwaukee Muscle and was established back in the early 80`s before Milwaukee Muscle kicked off, back then the tuning work was with the early Z900/1000 GPZ1100 GS1000 GSX1100 and EFE engines and these were tuned for fast street use and run what u brung drag racing.


By around 87/88 the Honda challenge and super sport series had just begun and we had teamed up with Jim Moodie and started to tune the CBR600`s for the supersport series and also the RC30`s and OWO1`s for the superbike series as the cc`s were reduced down from the 1000cc F1 bikes due to the power levels getting to much at that time on the old dinosaurs.


In them days we built full race bikes and engines for the likes of the late great Andy MaGladdery, Jim Moodie, Brian Nicholson, Doug Harris, Ray Stringer, Honda UK and a few other tuning company’s. All the tuning work was for top national level and covered short circuit, TT and the North West 200 in Ireland.


The racing and Harley work has always been run alongside each other and still is to this day though now the racing side has gone full circle covering the same engines we started on for the classic 1300cc open class and endurance racing. The big jap multis are also tuned alongside the Harley engines for big street bikes.


We prefer tuning the air cooled carburetted engines with mechanical advance ignitions rather than the much weaker modern fuel injected engines. The older engines need far more specialised machinery and tooling than the newer engines do which in turn means there are far few of these types of tuning shops left now. Check out the rest of the flow-tech pages to see what we mean.