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Old 06-04-2012, 07:54 AM   #1
mike37cdn
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Default model t engine timing

witch is the best way to time the engine on the t i have a 26 t some say to measure after tdc i think it said 5/16 of an inch another was use a dial gauge after tdc go 91 de and set the time and rod when number one fires not sure witch one is better to use or is there an easy way to do this thanks rebuilt the engine with alum pistons for higher compression the rest is stock
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Old 06-04-2012, 09:37 AM   #2
Doug Money
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Default Re: model t engine timing

We try and get the crank pin inside the front pulley to line up at the 9:30 -3:30 position. Not sure if you can see it on a 26. You can shine a light down the spark plug hole and have someone crank it over by hand until you see the #1 piston start down. Then with the spark rod disconnected and the spark lever all the way up, rotate the timer until the coil just starts to buzz. Bend the spark rod in the big end to make it fit the timer hole. Hope that helps.
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Old 06-04-2012, 09:38 AM   #3
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Default Re: model t engine timing

Also, if you have slop in the timer linkage you will need to account for that.
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Old 06-04-2012, 11:42 AM   #4
William L. Vanderburg
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Default Re: model t engine timing

Make sure you rotate the timer counter clockwise as you face the front of the car.
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Old 06-04-2012, 05:07 PM   #5
BUBBAS IGNITION
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Default Re: model t engine timing

OR you could call this guy and buy this tool for the Model T engine.
I have never had Ts that ran so well until i bought this tool from a friednd in our t club in Indy!!!!
If ya was in the neighborhood i would loan you the tool!!!!!
I forgot what they cost ( they are in Snyders catalog) but not overly expensive.....
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Old 06-05-2012, 11:18 AM   #6
FRANK PKNY
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Default Re: model t engine timing

once timed you get it started at retard position, then as you run down the road adjust the timing by ear, yes I said ear, that's the beauty of a T listen for the engine and set it where it sounds the best. Up hills you will need to retard slightly. Once you get used to it that's what makes a T so special.
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Old 06-10-2012, 03:25 PM   #7
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Default Re: model t engine timing

Hi, Could you please tell me the name of the tool? Thanks
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Old 06-10-2012, 04:20 PM   #8
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Default Re: model t engine timing

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Originally Posted by sjb89 View Post
Hi, Could you please tell me the name of the tool? Thanks
Its here in the Snyders catalog and is called a "timing Indicator tool"

http://www.snydersantiqueauto.com/mo...ibutors?page=2
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Old 06-10-2012, 10:53 PM   #9
Doug Money
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Default Re: model t engine timing

piece of 1/2" pipe with weed wacker string in it. Make the string long enough to not drop the string down the hole.
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Old 06-11-2012, 10:05 AM   #10
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Default Re: model t engine timing

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piece of 1/2" pipe with weed wacker string in it. Make the string long enough to not drop the string down the hole.
Explain that one to us?? I have used rope on a small block chevrolet to find TDC but on a T ??
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Old 06-11-2012, 11:55 AM   #11
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Default Re: model t engine timing

The tool for finding TDC on a Model T costs less than a nickel.
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Old 06-11-2012, 02:46 PM   #12
Doug Money
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Default Re: model t engine timing

Yep, Steve has the lower cost model of what I was talking about.
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Old 06-13-2012, 10:02 PM   #13
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Default Re: model t engine timing

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Originally Posted by Steve Jelf View Post
The tool for finding TDC on a Model T costs less than a nickel.
\

Love it !!! Thanks , wheres there a will theres a way i guess.
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Old 06-14-2012, 07:40 AM   #14
mike37cdn
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Default Re: model t engine timing

ok it works good for tdc now how do you find 15 de i talked toan old macanic he saids they had a measurment of how far to move the piston down to set the timmer
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Old 06-14-2012, 09:42 AM   #15
Doug Money
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Default Re: model t engine timing

.090 inch down is 15 degrees.
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Old 10-04-2013, 06:37 AM   #16
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Default Re: model t engine timing

Once I find TDC, what do I move to get my 15 degrees?
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Old 10-04-2013, 07:55 AM   #17
Doug Money
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Default Re: model t engine timing

Move the crank clockwise looking at the front of the car until the pin in the pulley is pointing at 9:30 to 3:30. That will give you 15 degrees. The idea is that you want to make sure that the piston is starting the downstroke to prevent kickback.
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Old 10-04-2013, 07:56 AM   #18
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Default Re: model t engine timing

Or .090 inch down if you are measuring from the piston.
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Old 10-05-2013, 10:52 AM   #19
Steve Jelf
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Default Re: model t engine timing

Finding TDC: With the plug out of #1, put your thumb over the hole. Pull the crank until you feel compression from the rising piston. Look at the crank pin. Pull the crank until the pin is horizontal, like this. That's TDC.
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Old 10-05-2013, 11:50 AM   #20
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Default Re: model t engine timing

Heck, I just bring No 1 up on compression, look in the hole and when the piston goes over the top and is just starts on it's down stroke, I set my timing with the lever up.
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