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07-11-2023, 03:22 PM | #1 |
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Replacing clutch in 1950 Shoebox Convertible
I just brought home a beautifully restored 1950 Shoebox Convertible, that recently had a new disk, pressure plate andTO brg installed. This is a flathead 8 with overdrive and has a large shutter when engaging the clutch. I believe it is a bad disk and need to pull the 3 spd trans out.
I am not as familiar with this vehicle as the people on the forum. Is it possible to remove the transmission without removing the engine? Thanks in advance for tapping into your vast knowledge. |
07-11-2023, 03:52 PM | #2 |
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Re: Replacing clutch in 1950 Shoebox Convertible
check to make sure that your motor mounts are good also the trans mount on the tail stock of the transmission.
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07-11-2023, 04:00 PM | #3 | |
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Re: Replacing clutch in 1950 Shoebox Convertible
Quote:
Those are some of the logistics. Now the big question: Why do you ascribe your problem to a newly installed clutch disk? I would definitely do a great deal more troubleshooting before taking things apart. Consult the Green Bible for more details.
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07-11-2023, 05:43 PM | #4 |
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Re: Replacing clutch in 1950 Shoebox Convertible
The X-member frame of the convertibles does make it a bit more difficult but should still be doable. The 8BA Ford cars all had the same 9.5 inch clutch with the stamped steel bell. The transmissions with OD usually have a rocker type actuator housing so that the operating solenoid could be relocated down underneath the transmission due to interference of the X-frame member with the overdrive solenoid. The other Ford bodies with the standard frame didn't require that part.
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07-11-2023, 06:14 PM | #5 |
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Re: Replacing clutch in 1950 Shoebox Convertible
was the flywheel surfaced? that could be the trouble if it was not
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07-11-2023, 08:22 PM | #6 |
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Re: Replacing clutch in 1950 Shoebox Convertible
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I appreciate the years of experience this forum provides. |
07-11-2023, 08:29 PM | #7 | |
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Re: Replacing clutch in 1950 Shoebox Convertible
Quote:
Besides for the motor and transmission mounts, are there other key areas I should look at carefully? |
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07-11-2023, 08:55 PM | #8 |
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Re: Replacing clutch in 1950 Shoebox Convertible
Just so you know, I spent a lot of time and money replacing the disc and pressure plate on my '51. I also had the flywheel replaced. It didn't help at all.
After doing some research, and Q&A on this forum, I replaced the oil-soaked front motor mounts. Problem solved. |
07-12-2023, 01:43 AM | #9 |
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Re: Replacing clutch in 1950 Shoebox Convertible
That's interesting Tubman. I've got a 52 Customline with a T5 behind it. I get a bit of shudder only reversing and I've never been too fussed about it.
I might just look at my engine mounts sometime when I've nothing better to do. Pretty sure I've got at least one good mount among my bits & pieces. Cheers Mick
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07-12-2023, 08:59 AM | #10 |
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Re: Replacing clutch in 1950 Shoebox Convertible
i also had a vibration on my 50 cpe fought with that problem for a year or so changing different pieces along the way then after replacing motor mnts which did help i took the fly wheel to a machine shop and they resurfaced it on a milling machine bingo it worked perfect the fellow that worked on it told me it was shaped like a bowl i would never take one apart again with out that being done it’s a big job to do especially when your up in age on your back hope this helps
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07-12-2023, 09:08 AM | #11 |
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Re: Replacing clutch in 1950 Shoebox Convertible
I like having my flywheels surfaced on a rotary surface grinder.
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07-12-2023, 09:10 AM | #12 |
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Re: Replacing clutch in 1950 Shoebox Convertible
That's going to be my first check, great advice. Thanks.
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07-12-2023, 10:52 AM | #13 |
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Re: Replacing clutch in 1950 Shoebox Convertible
Your original post sounds exactly like my '49 coupe when I got it.
All the tips given are very valid and had been done to my car by the PO. I found it to be the TO bearing wasn't seated completely on it's hub. I ordered a new assembly and, though not as bad, it too was at an angle. I found original Ford parts on the internet worked perfectly and my clutch is perfectly smooth now. Have driven it about 3,000 miles with no issues. Good luck with your repair! |
07-12-2023, 12:09 PM | #14 |
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Re: Replacing clutch in 1950 Shoebox Convertible
When we removed the tran. and OD> from my l949 convertible we had to remove the steel panel under the hump under floor mat. The top, LH bolt was the problem with X frame.
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07-12-2023, 12:34 PM | #15 |
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Re: Replacing clutch in 1950 Shoebox Convertible
D-Roadster that’s what i had done when i first started putting in a new clutch and plate a good friend of mine had a small shop with a surface grinder but i didn’t mention that because the outcome in the end was the flywheel maybe his machine didn’t have a level table hope this helps
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07-12-2023, 01:01 PM | #16 |
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Re: Replacing clutch in 1950 Shoebox Convertible
Gently push the clutch pedal down with your fingers until it just barely contacts the clutch, it should not want to push the pedal back "at all" if the pressure plates' fingers are all even. If they are not, you will it in the pedal. When you remove the trans and before you touch the clutch bolts check the finger heights on the clutch plate to make sure they are the same height. Check the pressure plate and flywheel for blue hot spots. Put a dial indicator on the flywheel and check the runout while turning it with a flywheel wrench. Have it surfaces ground. Cheak the clutch discs' springs. Put the disc on the trans input shaft and rotate it to see if it is warped. I always install a new throw-out bearing when I have a trans out. You might want to replace the pilot bearing too. Make sure the new ones fit the trans before you install them, the clutch disc too.
Pace the car not pointing at anything you care about Stand off to the side. Have someone put the parking brake on, chock block the wheels and have them let the clutch out a little while giving it a little gas and see how much that engine is moving. Some movement is normal. |
07-12-2023, 02:01 PM | #17 |
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Re: Replacing clutch in 1950 Shoebox Convertible
https://www.centerforce.com/i-304998...%7Cyear%3D1950
https://www.centerforce.com/i-305001...%7Cyear%3D1950 Flywheel and clutch assembly. do it once and forget forget about it forever. I got tired of unreliable rebuilders and waiting on a machinist. Don't forget a new/correct throwout bearing and pilot bushing/bearing. |
07-12-2023, 11:10 PM | #18 |
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Re: Replacing clutch in 1950 Shoebox Convertible
For what it's worth. When I adapted the T5 behind my 52, I used Falcon pressure plate and disc. Same diameter (9" or 9 1/2"?) as the original except I had to get the flywheel redrilled to take the falcon pressure plate. The clutch is a lot lighter than the original now and if I'm not wrong, I'm pretty sure the spline is the same as the original Customline. Not that it matters because as I say, I used the Falcon pressure plate and disc.
Actually, it was pretty easy to adapt the T5 behnd the 8BA. If anybody wants the the detail on how to do it, I can put it up on the forum. But I suspect that's already happened. Cheers Mick
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