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Old 09-07-2015, 05:04 PM   #1
Mac VP
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Default Stripped transmission gear pics

We don't often see this sort of damage, but someone managed to remove every single tooth from the main drive gear and about 7 or 8 teeth off the cluster gear. I don't think JB Weld is going to restore these............
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File Type: jpg strippedgears-2.jpg (37.3 KB, 337 views)
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Old 09-07-2015, 05:15 PM   #2
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Default Re: Stripped transmission gear pics

I have. I kept the input shaft for a paperweight. Tell everyone it came out of a little ole ladys 40 ford.
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Old 09-07-2015, 05:20 PM   #3
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Default Re: Stripped transmission gear pics

That kind of carnage was fairly common back in the '50s and early '60s, when it was possible for "Randy Racer" to find a replacement trans in the junk yard for $5 or $10. DD
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Old 09-07-2015, 05:42 PM   #4
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Default Re: Stripped transmission gear pics

man, that must have been one hell of a power shift, ive seen a lot of cluster gears like that, matter of fact I did a few of those, but I never seen that many teeth off a main shaft, its a good clutch alignment tool now
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Old 09-07-2015, 06:09 PM   #5
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Default Re: Stripped transmission gear pics

your making me worried about using the 99a engine in my 33.even though its got the 46 gears.
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Old 09-07-2015, 06:12 PM   #6
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Should be easy to repair, since you have all the teeth right there...
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Old 09-07-2015, 06:15 PM   #7
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Default Re: Stripped transmission gear pics

Any idea what caused this incredible carnage?
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Old 09-07-2015, 06:28 PM   #8
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Default Re: Stripped transmission gear pics

my guess is the clutch was dropped at high rpms in low gear taking off a few teeth on the cluster gear, or a hard shift to second gear, then the broken teeth were pulled up to the main shaft gear by the oil, thus wedging the broken tooth in the gear and striping it, trans don't like odd bits of metal getting caught between the teeth on the main shaft and cluster gear
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Old 09-07-2015, 07:08 PM   #9
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Default Re: Stripped transmission gear pics

Now that's real talent. I've taken all the teeth off the second gear cluster but can't ever remember seeing anything quite like that. I don't think dental implants are going to help that one smile pretty again.
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Old 09-07-2015, 07:54 PM   #10
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Default Re: Stripped transmission gear pics

I'll take a guess: the broken teeth locked the cluster and the main kept spinning. A wonder the case isn't cracked.
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Old 09-07-2015, 07:55 PM   #11
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Default Re: Stripped transmission gear pics

Bet that made some rackett. !
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Old 09-07-2015, 08:07 PM   #12
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Default Re: Stripped transmission gear pics

Not even sure if we were told if the trans had any "issues" but we're expected to make it right again and that's what we'll do. I like Bruce's suggestion......sort of like tackling a 10,000 piece jigsaw puzzle. And I just showed you the big chunks......there was a lot of tiny pieces in there too.
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Old 09-07-2015, 08:22 PM   #13
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Default Re: Stripped transmission gear pics

Quite often that will happen on a one two shift when you try to make it sound like you have a Lenco.
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Old 09-07-2015, 08:41 PM   #14
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Default Re: Stripped transmission gear pics

I actually did that twice in my 50 ford truck in high school. The third trans I changed the bellhousing and had no more trouble. Must of had an alignment problem. Gary
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Old 09-07-2015, 09:04 PM   #15
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Default Re: Stripped transmission gear pics

This was a weekly occurance when I was young; it was a good thing Carmichel's Auto Parts in Excelsior, Minnesota was open until noon on Saturday; otherwise, we would have been begging for rides from our friends on Saturday night. We got really good at swapping transmissions and parts!
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Old 09-07-2015, 09:34 PM   #16
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Default Re: Stripped transmission gear pics

1-2 shift in a drag race! Done a couple dozen that way back in the day.
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Old 09-07-2015, 09:43 PM   #17
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Default Re: Stripped transmission gear pics

Bam. Clunk, clunk,clunk,clunk,clunk. Bad words, more bad words.
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Old 09-07-2015, 11:38 PM   #18
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Default Re: Stripped transmission gear pics

Back in the 50's me and my brother and a couple other guys swapped a junkyard trans into one of our cars every weekend.
5 or 10 bucks each.
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Old 09-08-2015, 10:57 AM   #19
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Default Re: Stripped transmission gear pics

Man, whatever the cause of this carnage is I want to make certain I never do it! I drive my car pretty hard, though I don't abuse it.
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Old 09-08-2015, 01:27 PM   #20
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Default Re: Stripped transmission gear pics

My guess would be that a loose nut behind the steering wheel caused this mechanical malfunction.
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Old 09-08-2015, 02:08 PM   #21
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Default Re: Stripped transmission gear pics

I was just driving down the road to school and it went BANG!!
I don't want to talk about it, Dad...
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Old 09-08-2015, 07:32 PM   #22
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Default Re: Stripped transmission gear pics

I was at a traffic light with a double wide stop strip just recently applied to the road, floored my 1950 Fi to get ahead of slow moving truck. When the rear tire hit that strip the wheel spun, then hit the blacktop, removed every tooth on input shaft. I made it home 20 miles using third gear. Third gear was only gear available. Pete
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Old 09-08-2015, 08:10 PM   #23
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Default Re: Stripped transmission gear pics

when I was a lot younger and dumber my Dad had a 51 F-1 with a 302 and a early trans. I must have been going 100 mph or so, down the hwy. I heard a loud bang then something hit me in the right leg, it was the shifter, I looked in the rear view mirror and saw parts flying. the drive shaft, starter motor and parts of the bell housing. when I pulled over the trans was sitting sideways and it broke the input shaft. my Dad asked me what happened? I said it just came apart
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Old 09-09-2015, 12:36 AM   #24
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Default Re: Stripped transmission gear pics

I actually had 20 plus broken transmissions in my garage when was young. They were $15 then and we just went and got another one. I am not exaggerating when I say I actually blew the cluster out on the street. The Olds engine was mounted in the front and stock ford trans mount. Easy to figure out what was wrong. To much torq. on the trans mounted that way. We sure had fun at night around Pomona. It was race city in the late 50s early sixties. I guess this should have been on the HAMB. Jim
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Old 09-09-2015, 01:46 AM   #25
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Default Re: Stripped transmission gear pics

Exactly the same here in Iowa. Change out a gearbox in 30 minutes. That 303 Olds could destroy all sorts of Ford parts. My Olds powered 40 was constantly beating my friends Cad powered 39 on the Sioux City streets. He finally left a cluster on the street. I did the same thing elsewhere. That makes a hole in the side of the case for parts to exit. Yessir, put me back there and I'll do it again!!
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I actually had 20 plus broken transmissions in my garage when was young. They were $15 then and we just went and got another one. I am not exaggerating when I say I actually blew the cluster out on the street. The Olds engine was mounted in the front and stock ford trans mount. Easy to figure out what was wrong. To much torq. on the trans mounted that way. We sure had fun at night around Pomona. It was race city in the late 50s early sixties. I guess this should have been on the HAMB. Jim
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Old 09-09-2015, 01:50 AM   #26
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Default Re: Stripped transmission gear pics

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Old 09-09-2015, 05:22 AM   #27
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Default Re: Stripped transmission gear pics

I can relate to that. I blew the gears out of the case and into the road many years ago! kerk
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Old 09-09-2015, 06:06 AM   #28
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Default Re: Stripped transmission gear pics

Quote:
Originally Posted by tubman View Post
This was a weekly occurance when I was young; it was a good thing Carmichel's Auto Parts in Excelsior, Minnesota was open until noon on Saturday; otherwise, we would have been begging for rides from our friends on Saturday night. We got really good at swapping transmissions and parts!
Saturday night on Lake St. in Minneapolis?
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Old 09-09-2015, 07:16 AM   #29
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Saturday night on Lake St. in Minneapolis?
How'd ya' guess?
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Old 09-09-2015, 03:27 PM   #30
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Quote:
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How'd ya' guess?
Grew up in Bloomington. Of course, I never participated in the stoplight drags up there (at least no charges were ever proven)
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Old 09-09-2015, 06:18 PM   #31
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Default Re: Stripped transmission gear pics

After replacing three transmissions,I found that my pilot bearing was badly worn(brass bushing).After replacing it,no more problems.It allowed the main shaft to move out of alignment enough to stress the gear on the back end.
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