Yellow Peril

Page 3

Adding a vacuum booster plate to 28mm Carbs

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There is nothing magical about this, all the work was done with a 12" & 6" hacksaws and a couple of sharp files, a bench vice and a lot of care !

28mm carb slots

2 slots on the maximum dia of the 28mm carbs bell mouth



pn plate pic

Close up of the finished brass plate note that the curves either side are equal.



Looking down the throat

Looking straight down the throat of the carb with the plate in place



top view

Looking down on the plate notice how close it is to the slide and follows it's contour



Bottom view

Looking up at the plate notice it follows the bell mouth contour



side view

To see an explanation as to how this simple gadget smoothes out your power delivery at small throttle openings see Mark Dent's excellent page at:- Mark's Carb page



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For further details E-Mail: KGB-Racing at Saltmine dot Org dot UK

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