jon v8 Posted January 5, 2017 Report Share Posted January 5, 2017 No, a friend of mine who builds mostly large drag racing engines did it for me.I'll find out what company supply the stuff,probably an American company. 1 Quote Link to comment Share on other sites More sharing options...
ask greeves Posted January 5, 2017 Report Share Posted January 5, 2017 10 hours ago, fantic tom said: Looks good did you do this yourself? Hi Tom, Had a good look at both an old used piston and a new piston, seems taper on new piston (difference between top and bottom) to be 8 thou. Whereas the old used piston. the difference is 16 thou. I also had an interesting conversation last night with the guy who had re-engineered his piston. The long and short of it.....He made a 3/8th thick dural/alumium disc, after heating piston for 20mins in oven at 200c, took measurement (while hot) at the piston inside register and made a size fit disc (fitted cold to the hot piston) cooked again at 200c for 30mins then left in oven overnight (to cool slow). I suppose you could have a measure up, to see how much your own piston has worn/distorted, and may help in getting a fuller idea as to the sort of clearances involved. 1 Quote Link to comment Share on other sites More sharing options...
fantic tom Posted January 5, 2017 Author Report Share Posted January 5, 2017 Thanks guys some great intresting info. Quote Link to comment Share on other sites More sharing options...
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