08-26-2020, 11:53 PM | #1 |
Junior Member
Join Date: Sep 2019
Location: Pahrump Nv
Posts: 20
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timing gear
27 TT truck stop running. turns out the fiber gear had failed, teeth missing. The engine had been restored quite a few years back. The truck sat for a long time with not a lot of drive time on it. I believe the cam, crank gear are timed at the 4:00 and 10:00 position or there about? I have heard that is not timed on TDC but just before, Is this correct?
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08-27-2020, 12:20 AM | #2 |
Senior Member
Join Date: May 2010
Location: Portland OR
Posts: 6,340
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Re: timing gear
Ok this is an don't over think it moment. As long as the two timing marks are lined up you are good to go. Put the new gear on, line the marks up, put back together and drive.
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08-27-2020, 12:53 AM | #3 |
Junior Member
Join Date: Sep 2019
Location: Pahrump Nv
Posts: 20
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Re: timing gear
Thanks , as usual you are always a big help!
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08-27-2020, 07:12 AM | #4 |
Senior Member
Join Date: May 2010
Location: Powell, TN
Posts: 2,509
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Re: timing gear
Do not use a fiber gear! They will fail.
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08-27-2020, 09:36 AM | #5 |
Senior Member
Join Date: May 2010
Location: Longbranch, Washington
Posts: 513
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Re: timing gear
It seems that the currently available fiber cam gears don't play nice with a generator ! Older (era) macerated fiber gears seem to hold up to the generator load BUT then, I use original steel or Dan Mc's aluminum or bronze.
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08-27-2020, 11:40 AM | #6 |
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,436
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Re: timing gear
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08-27-2020, 10:14 PM | #7 |
Junior Member
Join Date: Sep 2019
Location: Pahrump Nv
Posts: 20
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Re: timing gear
I ordered an aluminum gear,(Dan McEachern) a fan pulley with sealed bearings, gaskets ect. I ordered from Chaffins garage and my parts were here in 24 hrs. shipping was $22. Good service! I will check my gears for play and rotate to make sure nothing binds.
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08-31-2020, 11:34 PM | #8 |
Junior Member
Join Date: Sep 2019
Location: Pahrump Nv
Posts: 20
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Re: timing gear
trying to figure out how I posted pics the first time. I wanted a before and after.
This weekend I got everything back together just had to order more parts that are on the way and should have the old girl running again. I did not realize that as you put on the cam gear you have to rotate the cam to make it mesh with the crank gear Last edited by thrifty; 09-01-2020 at 12:03 AM. |
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