Dry Lakes Racers Australia

http://i1079.photobucket.com/albums/w511/mjohno3/DSC01072_zps8568e485.jpg Sorry Harky I havent been around, I had to square up with my wife for my over indulgance in motorcycling last Feb, took a lap around the globe, got back two days ago & cost me a mutza. While in Paris I tried to find that ...

+1 , keep the pics coming , I am intrigued.

Yes Greg, I thought the same so I did check, I just got back some info from JE today saying those pistons were ordered by a customer as road racing pistons and he had ground the chamber more hemi shape not sure why he wanted such large exh releif ? Out of curiosity I will put in the Dynoman JE pisto...

http://i1079.photobucket.com/albums/w511/mjohno3/DSC00826_zps1a067d7a.jpg time to do a comp check, Clearance volume......17.2 Swept vol................190.1 CV+SV divide CV = 12.01:1 this is less than the Dyno JE which was 12.2:1 I'll have to think about the piston to head clearance how to machine ...

http://i1079.photobucket.com/albums/w511/mjohno3/DSC00823_zpsb06360ea.jpg this a kind of a contour map to see where I need to machine. Inlet valve is good....just need to flycut the 34mm diam to about 38mm Exhaust is fine , lots of room as both the inlet and exhaust are fly cut to 34mm where the ex...

measured the play do thickness,

assembled the head, cam , tappets etc , turned it over a couple of times, now to loook at the play doh

tool to mark the plug centre in case I have to unshroud them

done all the valve cutaway's

made a long centre pop to mark the centre of the valve on the piston to centre the mill if flycutting.

Thought I would have a look at the new pistons,
standard on left
Dynoman JE in Middle and
custom JE on right

http://i1079.photobucket.com/albums/w511/mjohno3/DSC00792_zpsef22350a.jpg The new old pistons are a bit heavier, they have longer pins and the extra ring, all up around 17 grams heavier but I can live with that, no good having carillo rods if they dont earn their keep, they will be fine with 10K re...

http://i1079.photobucket.com/albums/w511/mjohno3/DSC00793_zps219626c9.jpg These pistons were originally a special order from JE. I had been talking with Brian Weaver at JE , getting a set of pistons how I wanted was starting to get complicated as JE have lots of sub dealers who have the design righ...