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michaltalbot
YaBB God
Posts: 566
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« Reply #2 on: August 31, 2010, 09:08:18 pm » |
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Mr.Milan Dobes has them, he is now renovating my engine so I will ask him for another set for You. Are You going to brush Your crankshaft to 0,25 or do You need 0,10?
Btw: I have to recomend to all - balance your crankshaft and flywheel when you have engine demounted. As I wrote to another topic, my engine was damaged because of using P505 oil pump which is 8mm higher, so in corners oil pressure went to 1 or 0, and it was looking like that only one small-end bearing will have to be changed. But we've also found that last main bearing is hardly damaged. So I bought another crankshaft and took it with my flywheel and with clutch pressure plate to one old specialist, who is doing balancing for cca 40 years. They say, that 5 grams on these components, could lower the engine effectivity for 5%. So when they started with my crankshaft, the whole machine vibrated hardly (and they told me, that there is 27 of hand-barrows of concrete under the machine) and the result was: 7,3 grams on pulley side, 4 grams on flywheel side and unbelievable 12 grams on flywheel! When they finished their work, the crankshaft + flywheel was just zoomed through the wind very quietly and on pulley side was 0,16 grams, on flywheel side 0,18 and flywheel itself had 0,16 grams, both parts mounted together and also together with clutch pressure plate had 0,16 grams at one side and 0,19 grams on another side. It was amazing difference and I hope that it will be noticeable on the engine also...
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« Last Edit: August 31, 2010, 09:12:18 pm by michaltalbot »
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michaltalbot
YaBB God
Posts: 566
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« Reply #8 on: September 01, 2010, 09:39:09 pm » |
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Well, I asked Milan Dobes today and have this answer: 0,10 is no more available Main bearings - there are two producers: 1) Italian - Nuova Boto - in 0,25mm size for 49,- Eur / set 2) French - original - in 0,20mm size for 99,- Eur / set Small-end bearings: Vanderwell from GB - not depence on size - 89,- Eur / set So bad news is that 0,10 is not available for more, so if You will brush the crankshaft, You have to decide first, if You are going to use Italian ones = brush it on 0,25mm, or original French ones, what means to brush it on 0,20mm value.
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krede
YaBB God
Posts: 1172
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« Reply #12 on: September 02, 2010, 10:46:40 am » |
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