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Old 12-13-2009, 05:22 AM   #10
Beemerboff
Beastly Adventurer
 
Joined: May 2005
Oddometer: 2,267
The real problem is that the lifters dont get a straight push at the rods , so for a top race engine you want to be welding up the holes and re machining them so that they do- said to be worth 500 revs by those that should know.
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Adelaide Hills, Australia. 93 R100 GS, 77 R75/7 ,70 BSA B44VS, , 86 R80 G/S PD, 95 BMW Funduro F650 ST
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