Volvo RWD 140-160 Forum

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b30 head differences? 140-160

posted by  walrus3 on  Sun Nov 16 13:38 CST 2008
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last visit: Mon Dec 2 14:20 CST 2013
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I think that the 74-75 models are better in some ways and they are distinguishable more or less
like the B20 heads with the dips in the edge above the manifold flange.
The FI B30 heads use the same valves as the FI B20 heads.
Since the ports are all round I doubt if they are much bigger.
The worst thing I have noted is that the exhaust ports are constricted immediately below
the valve seat.
Be sure that your heads have the right water outlet flange and the right water pump holes on the bottom!
--
George Downs, Bartlesville, Heart of the USA!






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New b30 head differences? [140-160]
posted by  fidel  on Sun Nov 16 10:59 CST 2008 >


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