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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>I have been having fun and games with my overdrive recently. Pressure related, I think.<o:p></o:p></p><p class=MsoNormal>Whilst digging around in my accumulation of “useful stuff” files I cam across the excellent article written by Del Border some years back. I sent it out recently.<o:p></o:p></p><p class=MsoNormal>I am, I trust, near the reassembly stage and the article’s got me wondering. Have any of you tried the fix with the piston? Adding the extra 3/32”??<o:p></o:p></p><p class=MsoNormal>I’ve made the requisite little piston with the additional width and, having done so, I’m dithering about putting it in. I didn’t find it particularly easy to dig that far into my unit. Nothing would come out without a battle and I’d hate to have to do it all over. <o:p></o:p></p><p class=MsoNormal>So, anybody tried it???<o:p></o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Simon<o:p></o:p></p></div></body></html>