Getting a CAM Shaft out

Discuss all things Model T related.
Forum rules
If you need help logging in, or have question about how something works, use the Support forum located here Support Forum
Complete set of Forum Rules Forum Rules
User avatar

Topic author
Mopar_man
Posts: 1101
Joined: Sat Jan 12, 2019 9:24 pm
First Name: Robert
Last Name: Govoni
* REQUIRED* Type and Year of Model Ts owned: 1926 Touring
Location: Fredericksburg, VA
MTFCA Number: 32331
Board Member Since: 2016

Getting a CAM Shaft out

Post by Mopar_man » Sun Apr 12, 2020 2:57 pm

OK I ran into a bit of a problem with getting the CAM Shaft out. I took out the two bolts that hold in the bearing and I started to slide it out and it stopped moving on the center bearing. I tapped the CAM on the back with a big punch. It started to move and looked as if it was not together. I know they are held in with a clip. So I used a thin punch and tapped on the bearing and was able to get the bearing back into a circle. I then tried to tap it again and it won't move. The front bearing moves with the CAM no issue. Am I missing something.
IMG_3375.jpeg
You can see the bearing coming out.
IMG_3376.jpeg
This is the other side.


R.V.Anderson
Posts: 680
Joined: Tue Jan 08, 2019 6:01 pm
First Name: R.V.
Last Name: Anderson
* REQUIRED* Type and Year of Model Ts owned: 1914, 1920, 1923, 1923
Location: Kennedy, NY

Re: Getting a CAM Shaft out

Post by R.V.Anderson » Sun Apr 12, 2020 3:01 pm

OK; may be a stupid question, but did you remove the front timing cover?


Dan Hatch
Posts: 4144
Joined: Tue Jan 08, 2019 7:31 pm
First Name: Dan
Last Name: Hatch
Location: Alabama
MTFCA Number: 49974

Re: Getting a CAM Shaft out

Post by Dan Hatch » Sun Apr 12, 2020 3:10 pm

Did you remove the valve springs? And hold the tappers up ?


John kuehn
Posts: 3923
Joined: Sun Jan 06, 2019 8:00 pm
First Name: John
Last Name: Kuehn
* REQUIRED* Type and Year of Model Ts owned: 19 Roadster, 21 Touring, 24 Coupe
Location: Texas
MTFCA Number: 28924

Re: Getting a CAM Shaft out

Post by John kuehn » Sun Apr 12, 2020 3:59 pm

Check out the Ford service manual paragraph 472 - 477. page 122-123. Pretty straight forward on removing the camshaft. Don’t know if you have the original lifters or replacement type but the springs may have to come out and the lifters have to come up. You can take the springs out and then hold the pins up with clothes pins.


Kerry
Posts: 1302
Joined: Mon Jan 07, 2019 2:42 pm
First Name: Frank
Last Name: van Ekeren
* REQUIRED* Type and Year of Model Ts owned: 1916 touring, 1916 pick-up, 1924 coupe, 1926 touring, 1927 touring
Location: Rosedale Vic Australia

Re: Getting a CAM Shaft out

Post by Kerry » Sun Apr 12, 2020 4:16 pm

Ouch!
Another bad engine rebuild, rods around the wrong way and no oil holes in the pistons for the wrist pins :(


rickg
Posts: 76
Joined: Sun Jan 06, 2019 2:44 pm
First Name: Richard
Last Name: Goelz
* REQUIRED* Type and Year of Model Ts owned: 1924 Fordor, 1926 Coupe, 1923 popcorn Truck
Location: Knoxville, Tn
MTFCA Number: 24965

Re: Getting a CAM Shaft out

Post by rickg » Sun Apr 12, 2020 5:01 pm

I use a wooden dowell and place it on the end of the cam and give it a few good whacks and they usually come right out.

Rick

User avatar

Topic author
Mopar_man
Posts: 1101
Joined: Sat Jan 12, 2019 9:24 pm
First Name: Robert
Last Name: Govoni
* REQUIRED* Type and Year of Model Ts owned: 1926 Touring
Location: Fredericksburg, VA
MTFCA Number: 32331
Board Member Since: 2016

Re: Getting a CAM Shaft out

Post by Mopar_man » Sun Apr 12, 2020 5:30 pm

Cam Shaft cover was off, valves are out and lifters are out of the way. Kerry you are correct. This motor and trans was bad at almost every turn. J&M Machine did an outstanding job on the transmission. I know the risk I'm taking with the pistons and some other parts. Just wanted to make sure I wasn't going to hurt anything. The Cam shaft seems to slide in the center bearing so the cam lobe hits the side of it.


Scott_Conger
Posts: 6435
Joined: Sun Jan 06, 2019 11:18 am
First Name: Scott
Last Name: Conger
* REQUIRED* Type and Year of Model Ts owned: '13, '15, '19, '23
Location: Clark, WY
Board Member Since: 2005

Re: Getting a CAM Shaft out

Post by Scott_Conger » Sun Apr 12, 2020 6:09 pm

I wouldn't normally post this advice, but right now, I'd stop and investigate my options to buying new or refurbished cam bearings, before getting to the point where you MUST replace the cam bearings. They are not a commodity in great supply these days. Make sure you have a source before you NEED them.
Scott Conger

Tyranny under the guise of law is still Tyranny

NH Full Flow Float Valves
Obsolete carburetor parts manufactured

User avatar

Topic author
Mopar_man
Posts: 1101
Joined: Sat Jan 12, 2019 9:24 pm
First Name: Robert
Last Name: Govoni
* REQUIRED* Type and Year of Model Ts owned: 1926 Touring
Location: Fredericksburg, VA
MTFCA Number: 32331
Board Member Since: 2016

Re: Getting a CAM Shaft out

Post by Mopar_man » Sun Apr 12, 2020 6:46 pm

Scott good advice. Thanks for posting. There are many parts in the old car hobby that if you don't buy them when available you may not be able to get them.


SteveTN
Posts: 35
Joined: Fri Mar 27, 2020 8:29 am
First Name: Steve
Last Name: in Tennessee
* REQUIRED* Type and Year of Model Ts owned: '23 Cuttoff
Location: Whiskey Creek

Re: Getting a CAM Shaft out

Post by SteveTN » Sun Apr 12, 2020 7:13 pm

been a while but I got a 270 grind from Chaffins when I did mine. The engine was exactly as it left the factory so of course I changed the bearings. They lapped them to the cam for me. Very nice.

User avatar

RajoRacer
Posts: 4358
Joined: Sun Jan 06, 2019 12:18 pm
First Name: Steve
Last Name: Tomaso
* REQUIRED* Type and Year of Model Ts owned: 1914 Touring, 1919 Centerdoor, 1924 TT C-Cab Express, 1925 Racer
Location: Longbranch, WA
MTFCA Number: 14972
MTFCI Number: 15411
Board Member Since: 2001

Re: Getting a CAM Shaft out

Post by RajoRacer » Sun Apr 12, 2020 8:07 pm

I've heard "good things" about the recently available cam bearings from the guys in California, Scott.


BobShirleyAtlantaTx
Posts: 361
Joined: Mon Jan 07, 2019 12:44 am
First Name: Bob
Last Name: Shirley
Location: Atlanta Tx
MTFCA Number: 29135

Re: Getting a CAM Shaft out

Post by BobShirleyAtlantaTx » Sun Apr 12, 2020 8:51 pm

883FFCC6-7E6E-40D8-BAD6-349803F899C1.jpeg
9D740671-5ACB-4A36-AC46-3416C2E616E2.jpeg
C608A145-093B-4766-8156-96CD771BD023.jpeg
7027B877-B827-4C8E-8944-ABBF88064B93.jpeg
Be glad to help but I’d need the shaft for proper fit. 903-824-1949


Scott_Conger
Posts: 6435
Joined: Sun Jan 06, 2019 11:18 am
First Name: Scott
Last Name: Conger
* REQUIRED* Type and Year of Model Ts owned: '13, '15, '19, '23
Location: Clark, WY
Board Member Since: 2005

Re: Getting a CAM Shaft out

Post by Scott_Conger » Sun Apr 12, 2020 9:58 pm

Steve, that's good to know

And Bob, I thought I'd remembered someone in the recent past showing some being made...perhaps it was you
Scott Conger

Tyranny under the guise of law is still Tyranny

NH Full Flow Float Valves
Obsolete carburetor parts manufactured

User avatar

Topic author
Mopar_man
Posts: 1101
Joined: Sat Jan 12, 2019 9:24 pm
First Name: Robert
Last Name: Govoni
* REQUIRED* Type and Year of Model Ts owned: 1926 Touring
Location: Fredericksburg, VA
MTFCA Number: 32331
Board Member Since: 2016

Re: Getting a CAM Shaft out

Post by Mopar_man » Sun Apr 12, 2020 10:23 pm

That looks great!


Dan McEachern
Posts: 1190
Joined: Sun Jan 06, 2019 11:08 am
First Name: DAN
Last Name: MCEACHERN
* REQUIRED* Type and Year of Model Ts owned: too many. '14 touring, 2 depot hacks, 2 speedsters
Location: ALAMEDA,CA,USA

Re: Getting a CAM Shaft out

Post by Dan McEachern » Mon Apr 13, 2020 3:48 am

Biggest problem with old shells is that the partng line where they are split is often times badly worn, rendering the od of the shell into an oval shape. There is no way to repair this, so good cores for rebabbiting can be scarce.

As far aw removing the cam shaft from the threads above, rotate the cam so that the side of a lob is bridging the split in the bearing. Now when you tap or drive the cam out, the lobe will push BOTH sides of the bearing out at the same time. As others said above, you must have the valves and springs remove so that the tappets are not in contact with the cam.


BobShirleyAtlantaTx
Posts: 361
Joined: Mon Jan 07, 2019 12:44 am
First Name: Bob
Last Name: Shirley
Location: Atlanta Tx
MTFCA Number: 29135

Re: Getting a CAM Shaft out

Post by BobShirleyAtlantaTx » Mon Apr 13, 2020 9:15 am

Yes, I’m in total agreement with you Dan. The little broken lines must not be worn- see the last picture, if the shell are good, the rough broken seams will interlock and line up the shells. This is also why I’ve had no luck with babbitting the early iron shells, by the time you bore the for Babbitt you cut broken line out and there’s no way to line them up. But, thankfully a large majority the shells I’ve run across have a good break line. And I’m thinking if the cam bearing break lines are worn you need to look at the block also for wear in the hole. As the say, That turtle didn’t get on top of that fence post by himself.

Post Reply Previous topicNext topic