389/689 on a downdraught head? 650ss

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Feb 6, 2011
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Hey everyone finally done a bit more work on my norton

just got the single carb conversion off of her and was thinking Ive got one minty fresh 389 and was wondering fitting the matching opposed float bowl 689 if I can find one

anyone ever fitted that setup on the 650ss. Bit worried a bout the idle screws hitting each other ?

Thanks in advance,

Tom
 
Norton put that setup on some Dominators from the factory, specifically the 1966 Atlas, now that I have checked one book showing the fact......
 
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