Engine at the machine shop- suggestions on what to check

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Model T Ford Forum: Forum 2016: Engine at the machine shop- suggestions on what to check
Top of pagePrevious messageNext messageBottom of page Link to this message  By Rick Ross on Friday, April 29, 2016 - 10:23 pm:

Dropped off my engine and transmission at the mechanic/machine shop. Replacing the magnet keeper screws. Having the head pulled and engine checked over. The mag is being looked at to get it going. What do the experienced t-owners suggest I have checked and/or replaced while the engine is out? I don't know the history of the engine. The rear end is being checked for the thrust washers. Thanks!


Top of pagePrevious messageNext messageBottom of page Link to this message  By Keith Gumbinger, Kenosha, WI on Friday, April 29, 2016 - 10:37 pm:

Have all castings and forgings magnafluxed to check for cracks. Check the runout on the transmission main shaft and hopefully get it to .005 or less. Check the pan to make sure it's straight and especially not bent down on the back end. Balance all moving parts, especially the flywheel and transmission drums. Balancing the rods, pistons and crankshaft is a minimum.

I'm not an engine rebuilder and will defer other items to those with more experience.

Keith


Top of pagePrevious messageNext messageBottom of page Link to this message  By John Doolittle on Friday, April 29, 2016 - 10:50 pm:

Here's something to check: Check to see if the engine has a fiber timing gear. If so, replace it with bronze or aluminum.


Top of pagePrevious messageNext messageBottom of page Link to this message  By george house . . .caldwell county, TX on Saturday, April 30, 2016 - 08:25 am:

If the transmission is to be removed to have "the mag looked at to get it going", remove the probably clogged inside oil tube and wash-blow it out.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Saturday, April 30, 2016 - 08:36 am:

Rick,

With the engine apart, I agree with much of what has already been said. The timing gear needs to be a metal one, and if you install one new gear you really need to replace the other so that both are new.

I would never assemble a T engine with cast iron pistons, they accelerate wear and hurt power. They also are known to separate and fail at the ring groove sometimes with disastrous consequences.

If the engine has its original valves they need to be replaced since they are known to come apart and ruin an engine. If the camshaft shows any sign of wear then buy a new (not reground) one. The modern cam grinds from Stipe make a remarkable difference in performance.

Hopefully your engine is going to Ron's machine shop in Shandon OH. They will do a good job and give you a set of decent recommendations from what they find.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Michael Pawelek Brookshire, Texas on Saturday, April 30, 2016 - 08:54 am:

When you say "mechanic/machine shop" I hope it is someone who specializes in the Model T. My experience with regular mechanics shops is that they don't have a clue when it comes to how the Model T works and can miss some huge problems that a Model T mechanic would know to check first.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Rick Ross on Saturday, April 30, 2016 - 02:51 pm:

Yes they work on model Ts. They do send the magnito to a specialist. I've done my research thanks to those in this forum.


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