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b20s 140-160

uid 37336's pic
posted by  B20Paul. on  Sat Sep 19 18:25 CST 2009
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last visit: Mon Oct 20 10:54 CST 2014
[RELATED]

Single isthmus means that they are from 1973 or latter & have the more desirable exhaust ports. They are most likely B20E heads from a 73 or latter model. Measure how thick they are from top to bottom, B20F heads are simply thicker than B20E.

http://www.volpro.com.au/ is still around too if you are still looking for porting. He's about 30 minutes drive from me, but I've never met him! I'd be interested in knowing what he charges.







--
Three 164's, Two 144's, One 142 & a partridge in a pear tree.






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