Go Back   The Ford Barn > General Discussion > Model A (1928-31)

Sponsored Links (Register now to hide all advertisements)

Reply
 
Thread Tools Display Modes
Old 07-16-2017, 04:13 PM   #21
hardtimes
Senior Member
 
hardtimes's Avatar
 
Join Date: May 2010
Location: South California
Posts: 6,188
Default Re: Crank regrinding

Quote:
Originally Posted by Kohnke Rebabbitting View Post
I agree with Kev, and George.

In 53 years, I would say that 80% of crank grinders don't know how to grind a crank that takes a gear on it. No crank of any kind should be ground off worn main journals for a center line.


Kev is also right about the ones that don't radius their stone to match the Radius in
the crank. That is real common, they grind up to the Radius with a flat grind wheel, and leave it at a Right Angle, which will brake, more then not.


A good way to tell how a crank was ground is if the very front of the first main Journal has a ridge on it as the gear was in the way to grind it all.

George also brought up the center main which is true. The Model T is even worse!

Here are some pictures of a ground crank by Vern in Fort Dodge, Iowa. They are always Perfect, with high polish on mains and crank pins, straighten rear flange by grinding, that bolts to the flywheel, while it is still set up for center line, correct Radius, crack checked with Black light. On Model T's he also, if wore will straighten the pulley and seal area.

Herm.
Hey Herm,
Another way to figure if a crank grinder ground radii on a (your) crank, is if he charged you $125. to...'cut a stone to do those radii'. Hopefully, this would indicate , along with looking, that good work was done .
That's the charge/results of ME asking/telling that I wanted the largest radius that he could put on my C crank
hardtimes is offline   Reply With Quote
Old 07-16-2017, 09:37 PM   #22
BILL WILLIAMSON
Senior Member
 
BILL WILLIAMSON's Avatar
 
Join Date: Dec 2010
Location: FRESNO, CA
Posts: 12,560
Default Re: Crank regrinding

Is this common? I "heard" of a crank for "some" engine, where the radius was SO extreme, it would BIND up the inserts!
Bill Curious
__________________
"THE ASSISTANT GURU OF STUFF"
BILL WILLIAMSON is offline   Reply With Quote
Sponsored Links (Register now to hide all advertisements)
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Sponsored Links (Register now to hide all advertisements)


All times are GMT -5. The time now is 11:41 AM.