Camshaft flange 3rd hole question

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bpresslylsmo
Posts: 25
Joined: Sat Mar 09, 2019 5:14 pm
First Name: Bob
Last Name: Pressly
Location: Lees Summit, MO

Camshaft flange 3rd hole question

Post by bpresslylsmo » Sat Jun 10, 2023 9:52 pm

What is the intended purpose of the third hole in the camshaft flange and does it's orientation matter in the timing of the large timing gear to small timing gear?[image][/image]
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Mark Gregush
Posts: 5370
Joined: Sat Jan 05, 2019 1:57 pm
First Name: Mark
Last Name: Gregush
* REQUIRED* Type and Year of Model Ts owned: 1925 cutdown PU, 1948 F2 Ford flat head 6 pickup 3 speed
Location: Portland Or
Board Member Since: 1999

Re: Camshaft flange 3rd hole question

Post by Mark Gregush » Sat Jun 10, 2023 10:32 pm

Think it was for indexing when doing the machining. It has no function but to make people ask why it is there. The cam gear does not care where it is installed as long as the two timing marks line up when the cam is installed, the gear is not indexed to the cam shaft.
I know the voices aren't real but damn they have some good ideas! :shock:

1925 Cut down pickup
1948 Ford F2 pickup

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