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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Quieting ramps / Andrews Mk 2
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<blockquote data-quote="oexing" data-source="post: 178784" data-attributes="member: 1493"><p>Thank you, that is exactly my thinking: I believe most cylinder studs get way too much torque by owners which does not help in some more matters. The air head BMWs from 1969 got very long studs , solid M 10 threads from case to head, rocker brackets and all alu engines. They seem to wreck case threads quite often by brutal force, likely because heat growth will add to the tension in the ht steel studs with half the extension factor than alu. So really keep forces on the spanner a bit milder as strain on the threads will mount when heating up. </p><p> Stainless steel would help a bit with added extension but then suitable lubrication of threads is essential for preventing seizures - and many owners turn out to be very ignorant or forgetful about lube on fasteners. So better not have stainless for avoiding complaints from stupid . . .</p><p></p><p> Vic</p></blockquote><p></p>
[QUOTE="oexing, post: 178784, member: 1493"] Thank you, that is exactly my thinking: I believe most cylinder studs get way too much torque by owners which does not help in some more matters. The air head BMWs from 1969 got very long studs , solid M 10 threads from case to head, rocker brackets and all alu engines. They seem to wreck case threads quite often by brutal force, likely because heat growth will add to the tension in the ht steel studs with half the extension factor than alu. So really keep forces on the spanner a bit milder as strain on the threads will mount when heating up. Stainless steel would help a bit with added extension but then suitable lubrication of threads is essential for preventing seizures - and many owners turn out to be very ignorant or forgetful about lube on fasteners. So better not have stainless for avoiding complaints from stupid . . . Vic [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Quieting ramps / Andrews Mk 2
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