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I have a 1996 Escort LX with a 1.9 liter SFI engine for which I am considering the installation of 4 new pistons, because one has been severly damaged; I have no idea how.

According to the factory manual the cylinder bore is suppose to be 82mm or 3.2300 in. across. I just completed going over them with a Fowler Dial Bore Gauge that was set up with a Fowler Caliper. The results were as follows:

At the top of the cylinder (top of piston travel):

Front to Back averaged .0007 under or 3.2293 inches across.
Side to Side averaged .0020 under or 3.2280 inches across.

At the bottom of the cylinder (bottom of piston travel):

Front to Back averaged .0015 under or 3.2285 inches across.
Side to Side averaged .0021 under or 3.2279 inches across.

For those that wonder if I set up the bore gauge correctly, I followed the following procedure:

1. I set the caliper to exactly 82mm / 3.2300 inches and
locked it in.

2. I used the #7 anvil (3.2") with the .02" spacer in the bore gauge and
then inserted the measuring head of the bore gauge between the
outside jaws of the caliper. I set the bore gauge to "0" at the point
where the needle stopped and began its return.

3. Set up like this, as I measured the cylinders and the needle began
to move, it approached and they passed over the "0" setting to the
measurements I mentioned above.

My questions are these:

1. Have I taken my measurements correctly, and if so:

2. Am I going to be able to use the stock size (red) pistons?

Thanks in advance!
 

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csbarry said:
I have a 1996 Escort LX with a 1.9 liter SFI engine for which I am considering the installation of 4 new pistons, because one has been severly damaged; I have no idea how.
It dropped a valve seat.

Have you considered a 2.0 SPI swap? You could probably get that done quicker and cheaper then trying to rebuild what you have.
 
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