F. Rallycross Miata Parts Cleaning

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Send comments to mostlymiata@gmail.com                                                                             

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Rallycross Miata


Parts Cleaning

I cleaned up some of the parts today to prepare for the getting the replacement engine together.

I started with cleaning the old engine and transmission.

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Then I cleaned the intake.  It had a few issues.  Someone had used gasket sealer on the intake and getting it off the engine was a chore.  Also the mating surface had to be cleaned with a razor blade.  

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It took a while, but I finally got the old gasket material off.

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I separated the two halves of the intake and cleaned the halves inside and out.

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I used some Gunk Gel engine cleaner and a few brushes to get the crud out.  Then I used some MAF cleaner and a wire to finish cleaning the passages out.

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The intake cleaned up pretty good.  Most of the caked on stuff came out.

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My neighbor picked up the head today.  It looks great.

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I removed the transmission from the old engine and cleaned out the bell housing area, lightly re-greased the throw-out bearing and shifter arm.  

The clutch was worn, but not completely gone.  However, the flywheel and the pressure plate was hot spotted, so I will use the ones I bought when picked up the engine.  I may look for a new clutch later especially if we install the supercharger in this car.

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The replacement block looked good in the cylinders but I took some measurements to check for any issues and to use as a reference later.  I took all the measurements twice.  I only wrote down the numbers below the decimal point.

They differ, but the difference in the numbers in each set is what I needed.  I see no issues based on a quick look at the taper and roundness of each cylinder bore.  This block only has 72,000 miles on it.

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I will be working on putting the engine back together tomorrow.  Hopefully, it will be ready for installation into the car by the end of the day.


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