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H engine timing

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Tom Windsor

03-24-2007 21:13:59

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I have been workling awful hard to rebuild this H engine. So far, I am real happy with where I am. It is now on the engine stand with new pistons, sleeves, rings, mains, rod and cam bearings, except for the flywheel, the rear end is built up, Oil Filer canister installed, lifters in, head rebuilt and ready to install and side covers are on and now I am down to the front end.

I want to make absolutely sure as to the timing of the gears there.

There are 5 gears:

1. the Distributor drive gear
2. The cam gear
3. The gear on the crank
4. An idler gear
5. Govenor drive gear.

As I understand it, I need not be worried with timing on 4 and 5 above cause it is not necessary but that I must get 1,2 and 3 done correctly.

Will one of you who is an expert on the timing, walk through this with me one more time?

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georgeky

03-24-2007 21:23:11

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Re: H engine timing in reply to Tom Windsor, 03-24-2007 21:13:59

Tom I will try to explain this even though I am no expert.There is one mark or dot on the crankshaft gear that meshes with the two marked teeth on the cam shaft gear then mesh the single mark on the camshaft gear to the two marked teeth on the distributor drive gear. I hope this helps.

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Tom Windsor

03-25-2007 08:07:28

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Re: H engine timing in reply to georgeky, 03-24-2007 21:23:11

George

Single dot to 2 dots apparently does not work.

My crank gear has a single dot "on" a tooth.

The cam gear has a single dot "between" a tooth and a doble dot "on a tooth".

The distributor gear has a double dot "between" the teeth.

APPARENTLY, TO ME, it seems that single to single and double to double is proper???

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El Toro

03-25-2007 17:25:32

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Re: H engine timing in reply to Tom Windsor, 03-25-2007 08:07:28

Here's the procedure from my IH manual. Hal

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georgeky

03-25-2007 13:43:07

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Re: H engine timing in reply to Tom Windsor, 03-25-2007 08:07:28

Tom I do see were the confusion was. I meant the mark between two teeth instead of two marks on one tooth.I don't always get it written down like I mean for it to be. Sorry for the confusion.

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Roger Mills

03-25-2007 09:15:22

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Re: H engine timing in reply to Tom Windsor, 03-25-2007 08:07:28

Tom, it seems you answered your own question. I suggest you assemble it that way and with the engine at #1 TDC the #1 cam lobes should both be pointed down, (just to cross check yourself), then put rest on and the distributor on and the rotor should point to the #1 position. (per book pix)

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