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Old 09-13-2021, 11:49 AM   #1
kursed30
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Default A few timing gear questions

So the other day I finally got the large timing gear off. Got the new aluminum one on yesterday and managed to get the two lines matched up after some cuss words. Before I close it up is there anything I should check first? Do I need to add any grease to the gears? I have new cork gaskets for the inspection plate and the front cover of the gears. Do cork ones need any gasket sealer put on?
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Old 09-13-2021, 12:04 PM   #2
Aretino
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Default Re: A few timing gear questions

Spring loaded plunger well greased
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Old 09-13-2021, 01:02 PM   #3
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Default Re: A few timing gear questions

Double check the crankshaft lineup is correct. Put a bit of grease across the gears, assemblyi lube is better but any will do.
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Old 09-13-2021, 02:44 PM   #4
Patrick L.
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Default Re: A few timing gear questions

Oil the gears after double and triple checking them. Make sure the nut is TITE.
Grease the plunger and spring. I usually shim the spring if reusing the old one.
Sealer on the gaskets is OK. A little goes along way.
If the rope seal is being replaced, do not cut it, oil it, do not grease it.
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Old 09-13-2021, 02:51 PM   #5
Rob Doe
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Default Re: A few timing gear questions

I suggest you take a picture of the gear alignment and post it here before closing things up.
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Old 09-13-2021, 03:07 PM   #6
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Default Re: A few timing gear questions

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Tighten the nut down well with the special tool then drive it home with a hammer and chisel a few times.
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Old 09-13-2021, 03:39 PM   #7
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Default Re: A few timing gear questions

Here is a picture I took. I didn't see any markings on the crankshaft gear but a few places I read mentioned the key slot works also.
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Old 09-13-2021, 04:02 PM   #8
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Default Re: A few timing gear questions

I just checked an extra crankshaft I have. It has a mark on 2 teeth that are side by side, one each side of the key way. The marked tooth to the right of my key way also has a “0” marked on the front of the tooth.

Last edited by LeonardS; 09-13-2021 at 04:09 PM.
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Old 09-13-2021, 04:05 PM   #9
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Default Re: A few timing gear questions

No you look good.
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Old 09-13-2021, 04:06 PM   #10
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Default Re: A few timing gear questions


Is that a timing mark on that tooth. I think you may be off.
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Old 09-13-2021, 04:11 PM   #11
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Default Re: A few timing gear questions

Upon second look, I can't tell where the crank mark is for sure.
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Old 09-13-2021, 04:13 PM   #12
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Default Re: A few timing gear questions

I agree Ruth.
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Old 09-13-2021, 04:19 PM   #13
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Default Re: A few timing gear questions

I think the keyway should be to the left (in your picture) of the cam gear mark.

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Old 09-13-2021, 04:47 PM   #14
Chuck Sea/Tac
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Default Re: A few timing gear questions

Yes , the key way is to the left. You’re one tooth off.
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Old 09-13-2021, 04:58 PM   #15
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Default Re: A few timing gear questions

Just changed my timing gear and it appears you are off one tooth. The marked crankshaft tooth is to the right of the keyway.
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Old 09-13-2021, 05:06 PM   #16
Patrick L.
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Default Re: A few timing gear questions

Try to take a really good at the crank gear for the mark, it should be there. That'll let you know for sure.
I think the fellas are right, it does look from what we can see that you are off a tooth.
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Old 09-13-2021, 07:46 PM   #17
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Default Re: A few timing gear questions

So what does being off one tooth do exactly?
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Old 09-13-2021, 07:59 PM   #18
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Default Re: A few timing gear questions

another pic
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Old 09-13-2021, 08:01 PM   #19
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Default Re: A few timing gear questions

Still hard to tell where that mark is. Being a tooth off will throw the timing off.
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Old 09-13-2021, 08:04 PM   #20
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Default Re: A few timing gear questions

I put the plate back on and and when I turned the engine over until the pin hit the dot. I took out the spark plug and it was TDC.???
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