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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cylinder liner material: hard verus soft cast?
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<blockquote data-quote="davidd" data-source="post: 54884" data-attributes="member: 1177"><p>Vincent,</p><p></p><p>You are certainly correct that you must specify the rings for Nikasil bores. Carleton and I both use Total Seal rings and if you buy either a JE or CP piston you can ask for Total Seal for Nikasil and they will do so. Both Carleton and I used the gapless second ring from Total Seal with good results.</p><p></p><p>JE and CP are fairly comparable. It used to be that JE had access to some very hard to get alloys. It is not the case now. CP was started by the Calvert brothers (three of them) who all worked for Arias in the early 70's and worked for JE in the 80's. CP stands for Calvert and Pankl. Pankl is an Austrian company know for incredibly high end parts. CP got a good share of the Piston market by offering custom coatings and lightening. So, it is a very small world.</p><p></p><p>Renwick used to turn the sleeves from solid, but the chips would force him out of the shop.</p><p></p><p>David</p></blockquote><p></p>
[QUOTE="davidd, post: 54884, member: 1177"] Vincent, You are certainly correct that you must specify the rings for Nikasil bores. Carleton and I both use Total Seal rings and if you buy either a JE or CP piston you can ask for Total Seal for Nikasil and they will do so. Both Carleton and I used the gapless second ring from Total Seal with good results. JE and CP are fairly comparable. It used to be that JE had access to some very hard to get alloys. It is not the case now. CP was started by the Calvert brothers (three of them) who all worked for Arias in the early 70's and worked for JE in the 80's. CP stands for Calvert and Pankl. Pankl is an Austrian company know for incredibly high end parts. CP got a good share of the Piston market by offering custom coatings and lightening. So, it is a very small world. Renwick used to turn the sleeves from solid, but the chips would force him out of the shop. David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Cylinder liner material: hard verus soft cast?
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