Hi Terry, Wow, that is a beauty! The next time I am in Pa. I will check it out. About 15 years ago I was offered a complete Carlheim engine but couldn't raise the funds and it went. A friend in New Jersey has another mounted on Harley crankcases which look like they "grenaded" at one point. Another friend has a Drake which he is supposedly building into a bike but being water cooled I think the idea is ill conceived. How is the Skirrow coming along? I imagine you are in touch with Ivan. It is going to be tough to find a JTOR loose engine with the silly price of Broughs and McEvoys etc. these days but I guess if you can afford to play with Bugattis it is chump change!
For general interest its not too hard to make an 8-80 - if you know where to look for the bits. Recipe as follows:
Set of crankcase castings from various sources and machine using copies of factory drawings - I did that myself.
Crankshaft - various people can do custom work using new rods. I had S&S make and modified pins and shafts to suit. You need to use the Sportster big-end and rods which are narrower than the Big-twin. You also need 8" rods minimum c/w normal Harley 7.5". You need to sort out by drawing the combination of stroke, cylinder length, piston height and con-rod length
Cams - fit different DP teeth (coarser) to speedway cams.
Pistons - custom made.
Barrels and heads can be scrounged and castings are available to make the front head which is different to the speedway head at the rear.
Mags and carbs, second hand, fully serviceable.
Valve gear - use speedway rockers boxes new or second hand
Oil pump - second hand but hard to find the right rotation. Could use the later type gear pump which is easy to make.
Light blue touch paper and hope it works.
I'll attach a picture of the crank.
Last Edit: Jan 20, 2013 12:28:35 GMT 1 by tsrwright
I met the Card family and had a look at their "continuation" engines and bikes, certainly not the stuff for restorers but interesting nonetheless. Dave Card took me for a ride in a three wheeler of their making . A fantastic machine , speed and handling were superb. AFTER THEIR FATHER PASSED THE JAP NAME WAS SOLD TO EWAN CAMERON IN MALVERN. THEY HAVE A BIG COLLECTION AND MANUFACTURE ENGINES FOR REPLICA BROUGHS, MORGANS ETC. Both establishments are worth a visit. All very nice folk.