You are completely wasting your time by putting anything in you freezer . You need liquid nitrogen. I did my type 4 guides no problems ,3 angle valve job . Run a tap in the guides , fit a bolt M10 from memory and just bash them out cold . I warmed up heads to I couldn’t touch them and using a turned bar guide just hammered them home . I made two seat cutters and cut the seats This was also a WO 1700
..this is how I pressed old guides out..this was the easiest step tho.. Sent from my iPhone using Tapatalk
I think I calculated about a 2 thousandth of a mm difference in diameter for 15deg C drop on a 10mm tube in bronze... marginal gains as Mr Brailsford says.. can't comment on effect this would have on side friction as I didn't get that far before I tried again and it worked Sent from my SM-G930F using Tapatalk
Yeah .. i couldnt find them so I figured if valves didn't rattle or got stuck they were good!..there is a tolerance in Bentley for valve tip movement I think? Sent from my SM-G930F using Tapatalk