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Whatever you do, if it is overbored, do not let him get his hands on the other barrel, anyone that ignores recommended tolerances and makes such a balls up cannot be trusted ever again.
Quote from: hairygit on November 20, 2018, 05:06:13 PMWhatever you do, if it is overbored, do not let him get his hands on the other barrel, anyone that ignores recommended tolerances and makes such a balls up cannot be trusted ever again.So true!I remember the conversationhttp://www.sohc.co.uk/index.php/topic,16637.msg140753.html#msg140753 and the comments made appear to have been found proven unfortunately.I have worked on lots of race engines that have been modified, mostly crank case work for bigger liners, race transmissions/clutches, and am amazed at how badly some of it is done by so called experts. All our engines are machined by us now.As Trig says - cross hatching is essential for bedding in. Lastly I would check you have the oil rings seated in the piston correctly, if they are 3 piece oil rings they can be fitted wrong easily.
Very true Tomb, never assume anything when it comes to engineering I did have a engine in sometime ago where the owner had fitted the rings as they were stacked in the packet
Quote from: Trigger on November 21, 2018, 06:05:33 PMVery true Tomb, never assume anything when it comes to engineering I did have a engine in sometime ago where the owner had fitted the rings as they were stacked in the packet Better than that other bloke who left half the bits at home
Quote from: Allington on November 21, 2018, 06:41:36 PMQuote from: Trigger on November 21, 2018, 06:05:33 PMVery true Tomb, never assume anything when it comes to engineering I did have a engine in sometime ago where the owner had fitted the rings as they were stacked in the packet Better than that other bloke who left half the bits at home 🙄🙄🙄🙄🙄 There's always one.....Steve 😀😀😀