Panhead Left Case Repair

[billpedalino]

Over the years I've seen advertisements for shops that specialize in substantial motor case repair. Unfortunately, I haven't seen any such advertisements for awhile.

I have a 1953 FLE that needs the left side cast-in roller race insert bored, sleeved and honed to stock I.D. The existing race has spun and damaged the cast-in steel insert, so I would send both cases to the machine shop so they could indicate the correct bore location of the left race using the pinion race location. Also, my preference would be to slightly chamfer the O.D. of the sleeve and braze a couple of small locations with a small amount of brass to ensure against future spinning..

I was in this business in my youth and I know how sensitive and sometimes fragile these sand castings are to this kind of work, so I'm really interested in a shop who knows Harley cases very well. Can anyone recommend such a company?

Thanks,
Bill Pedalino

[dukekleman]

Bill,

Do you have an idea of how much damage has occurred to the cast in insert?
Would the cast in insert be able to be honed .010", .020", .030" to be cleaned up for the proper interference fit of a new oversized case race?
They make over sized case races and I've done it before is why I ask...

Duke Kleman

[knucklehead 61]

I've never dealt with him but maybe Accurate Engineering

Berry retired & is only working on his personal projects now.

[Rubone]

A replacement race could be hard chromed and ground to any size you like requiring just minimal removal of case material.

[billpedalino]

A replacement race could be hard chromed and ground to any size you like requiring just minimal removal of case material.

Yes that's a good point and an efficient fix. But the I.D. of the hole is too far worn - I would probably need about 0.020 plating buildup..

[Jerry Wieland]

Bill

V-Twin offers an Eastern made left case race at +.040. I would not dream of sleeving the hole if it would clean up at +.040. V-Twin # .10-0951

This is their description:

Machined and ground to factory specifications.
*NOTE: Outside is .040" oversize, machine case to accept larger case bushings. Barrel spigot holes must be machined to match after installation of the left side case.

EL 1940-1952 FL 1941-1954

[billpedalino]

Bill

V-Twin offers an Eastern made left case race at +.040. I would not dream of sleeving the hole if it would clean up at +.040. V-Twin # .10-0951

This is their description:

Machined and ground to factory specifications.
*NOTE: Outside is .040" oversize, machine case to accept larger case bushings. Barrel spigot holes must be machined to match after installation of the left side case.

EL 1940-1952 FL 1941-1954

Jerry,
Yes, I was informed by Dukeklman that Eastern now makes larger oversize's. When I was with them they only went to +0.0010" or so. Thank you both for pointing that out. I'll have to see how fat the hole has been previously machined to. Hopefully it will clean out at less that +0.040".