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Old 12-29-2024, 04:28 PM   #1
Ggmac
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Default Identifying LZ gears

How can I tell a set of LZ gears from regular Ford sets ? One of my spare transmissions supposedly has them .
Thanks , Gary
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Old 12-29-2024, 04:45 PM   #2
Zeke3
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Default Re: Identifying LZ gears

What is the tooth count on the large front gear on the cluster gear? LZ’s were either 25 or 26 teeth.

Last edited by Zeke3; 12-29-2024 at 04:48 PM. Reason: Correct misspelling.
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Old 12-29-2024, 05:13 PM   #3
Ggmac
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Default Re: Identifying LZ gears

What are normal a Ford gear count ?
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Old 12-29-2024, 05:40 PM   #4
cas3
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Default Re: Identifying LZ gears

There are lots of gears. Gotta go to Mac VP's sight and study the tooth count and application charts
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Old 12-29-2024, 07:56 PM   #5
Will Kimble
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Default Re: Identifying LZ gears

Common main drive gear tooth count is 15 or 16. LZ is 18 or 19. I use the oil hole for reference and can count this pretty quick. Common cluster is 28 or 29 (big end) and LZ is 25 or 26. Harder to count in a dirty, oily transmission. Rule of 44: 15/29, 16/28, 18/26, 19/25.
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Old 12-29-2024, 08:02 PM   #6
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Default Re: Identifying LZ gears

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The standard gears are 16/28 if I remember correctly.
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Old 12-29-2024, 09:53 PM   #7
Tim Ayers
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Default Re: Identifying LZ gears

Put a grease pencil mark on one of the teeth of large gear on the lower cluster. Count as you rotate. If it is 25 or 26, you have an LZ gear set.
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Old 12-29-2024, 09:53 PM   #8
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Default Re: Identifying LZ gears

Quote:
Originally Posted by rotorwrench View Post
The standard gears are 16/28 if I remember correctly.
Correct
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Old 12-30-2024, 05:47 AM   #9
Ggmac
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Default Re: Identifying LZ gears

Thanks guys . I forgot about Mac s book , sitting on the shelf .
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Old 12-30-2024, 07:09 AM   #10
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Default Re: Identifying LZ gears

From my notes. I have this set in my '32 and they're great



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Old 12-31-2024, 08:42 AM   #11
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Default Re: Identifying LZ gears

I posted RPM versus road speed for my setup here:


https://www.fordbarn.com/forum/showp...6&postcount=23
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