Volvo RWD 444-544 Forum

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B20F head 444-544

uid 37336's pic
posted by  B20Paul. on  Fri Jan 26 08:24 CST 2007
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last visit: Mon Oct 20 10:54 CST 2014
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The better heads first appeared in '73 models here in Australia. We got A,B & E versions but not the F. The difference is the short size radius is larger which makes for better flow after porting. If you look at the exhaust port from outside in, the floor of the port tapers upwards roughly 6mm. On the earlier heads it was only 3mm, for my own heads I build them up to 10mm with brass.





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New B20F head [444-544]
posted by  abe544  on Fri Jan 26 08:17 CST 2007 >


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