Go Back   The Ford Barn > General Discussion > Early V8 (1932-53)

Sponsored Links (Register now to hide all advertisements)

Reply
 
Thread Tools Display Modes
Old 11-14-2017, 05:40 PM   #1
Ken/Alabama
Senior Member
 
Ken/Alabama's Avatar
 
Join Date: May 2010
Location: Alabama
Posts: 3,237
Default 8BA vs 59A Flywheels

Pulled the flywheel from a friends 40 today with a 59A engine. Ring gear has came off the flywheel and the teeth aren't very good either. Once I got it out it appears to me that this is a 8BA flywheel judging by another I have in the shop. So could this have caused the failure ? Never ran into this before.
Attached Images
File Type: jpg image.jpg (85.7 KB, 46 views)
Ken/Alabama is offline   Reply With Quote
Old 11-14-2017, 06:03 PM   #2
JSeery
Member Emeritus
 
JSeery's Avatar
 
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
Default Re: 8BA vs 59A Flywheels

These are not my photos!
Attached Images
File Type: jpg Flywheel and pressure plate Flathead V8 004.jpg (63.4 KB, 54 views)
File Type: jpg flywheels.jpg (30.3 KB, 56 views)
JSeery is offline   Reply With Quote
Sponsored Links (Register now to hide all advertisements)
Old 11-14-2017, 06:05 PM   #3
Walt Dupont--Me.
Senior Member
 
Walt Dupont--Me.'s Avatar
 
Join Date: May 2010
Location: Gardiner Me.
Posts: 4,200
Default Re: 8BA vs 59A Flywheels

It looks like a early wheel, 59ab style, The gear looks wide like 59ab and older. Everdently the gear has just come off. Put a new gear on. Walt
Walt Dupont--Me. is offline   Reply With Quote
Old 11-14-2017, 06:20 PM   #4
Ken/Alabama
Senior Member
 
Ken/Alabama's Avatar
 
Join Date: May 2010
Location: Alabama
Posts: 3,237
Default Re: 8BA vs 59A Flywheels

Quote:
Originally Posted by Walt Dupont--Me. View Post
It looks like a early wheel, 59ab style, The gear looks wide like 59ab and older. Everdently the gear has just come off. Put a new gear on. Walt
Hi Walt, The gear is not the wide one. It measures 12 7/8 I.D. The wide one is 12 3/8. It's just like the 8BA wheel I have layin in the shop. Do ya think this 8BA wheel is causing a problem running on the 59A? The gear on the bottom is the old one and the gear on the top is the wide early style.
Attached Images
File Type: jpg image.jpg (79.7 KB, 32 views)

Last edited by Ken/Alabama; 11-14-2017 at 06:26 PM.
Ken/Alabama is offline   Reply With Quote
Old 11-14-2017, 06:23 PM   #5
JSeery
Member Emeritus
 
JSeery's Avatar
 
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
Default Re: 8BA vs 59A Flywheels

V8Coopman "Note that the 8BA-type wheel has clutch bolt holes drilled all the way through, for easy ID".

You can not easily mix flywheels between 8ba & 59a.
JSeery is offline   Reply With Quote
Old 11-14-2017, 06:30 PM   #6
Walt Dupont--Me.
Senior Member
 
Walt Dupont--Me.'s Avatar
 
Join Date: May 2010
Location: Gardiner Me.
Posts: 4,200
Default Re: 8BA vs 59A Flywheels

Sponsored Links (Register now to hide all advertisements)
No, the 8ba wheel won't work on a 59ab block, that's probably why the gear came off. I've tryed both wheels and the gear is in or out futher, cain't remember. Walt
Walt Dupont--Me. is offline   Reply With Quote
Old 11-14-2017, 06:30 PM   #7
Ken/Alabama
Senior Member
 
Ken/Alabama's Avatar
 
Join Date: May 2010
Location: Alabama
Posts: 3,237
Default Re: 8BA vs 59A Flywheels

Quote:
Originally Posted by JSeery View Post
V8Coopman "Note that the 8BA-type wheel has clutch bolt holes drilled all the way through, for easy ID".

You can not easily mix flywheels between 8ba & 59a.
Thanks JSeery, the flywheel I removed has the bolt holes drilled all the way through. I'm thinking we need to go to a 59A wheel. Problem there is that the engine has been balanced.
Ken/Alabama is offline   Reply With Quote
Old 11-14-2017, 06:52 PM   #8
Walt Dupont--Me.
Senior Member
 
Walt Dupont--Me.'s Avatar
 
Join Date: May 2010
Location: Gardiner Me.
Posts: 4,200
Default Re: 8BA vs 59A Flywheels

Balance the wheel separately, thats how it usually is done. Walt
Walt Dupont--Me. is offline   Reply With Quote
Old 11-14-2017, 07:09 PM   #9
Talkwrench
Senior Member
 
Talkwrench's Avatar
 
Join Date: Aug 2012
Location: Perth, Western Australia
Posts: 2,687
Default Re: 8BA vs 59A Flywheels

probably why it failed, its a wonder it worked at all..?
__________________
"Came too close to dying to stop living now!"
Talkwrench is offline   Reply With Quote
Old 11-14-2017, 07:36 PM   #10
36fordguy
Member
 
Join Date: May 2010
Posts: 73
Default Re: 8BA vs 59A Flywheels

The flywheels are not interchangeable - The ring gears are located about 3/16" difference front to back. In one combination the starter will not disengage the ring gear in the other combination the starter gear will not fully engage. The ring gears are different widths between 8BA and 59. -36fordguy
36fordguy is offline   Reply With Quote
Old 11-14-2017, 07:37 PM   #11
JSeery
Member Emeritus
 
JSeery's Avatar
 
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
Default Re: 8BA vs 59A Flywheels

Like Walt said, the flywheel/clutch/pressure plate should have been balanced separate from the rest of the rotating assembly.
JSeery is offline   Reply With Quote
Old 11-14-2017, 07:42 PM   #12
Ken/Alabama
Senior Member
 
Ken/Alabama's Avatar
 
Join Date: May 2010
Location: Alabama
Posts: 3,237
Default Re: 8BA vs 59A Flywheels

Thanks everyone for the response. I have some early wheels around. We'll just have to get new clutch and PP and have the flywheel ground and balance it all.
Ken/Alabama is offline   Reply With Quote
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 04:11 AM.