I finished installing my new clutch, master & slave clutch cylinders and changed the oil today.

While the tranny was out, however. I discovered that my flywheel is floating way too much. I checked out my blown engine and it floats 27 thousands, within the range specified in my Haynes manual.

The engine currently in my car floats an estimated 40 thousands. A rough estimate is the width of the handle of a 1/2 drive ratchet!

The thing holds 55 psi oil pressure and starts and idles like a champ. Accelerates very smooth. No signs of any engine problems.

Obviously worst case scenario it will somehow take the engine out. But, what can cause that much endplay? The engine is relatively new, 2 yrs old with about 20k miles on it. No smoke, doesn't burn excessive oil. Nothing.

 

i had the same prob... i frogot what exzatly it was butt you have somthing wrong in the front of the engine near the thrust bearing, oil pump gear area.. just look in the fsm and re put everything inn

 

End play should not be .027 or .040. It should be 0.0016 to 0.0028 in. And they say a MAX of 0.0035 in

 

maybe the torrington bearing? I will probably look into getting a front cover seal and tear the thing down sooner than later.

Funny thing is: it has been like this for 2 years now and i haven't noticed it until now

 

Sorry Hailers

I left out a zero on accident.

My blown engine is .0027 in.

my current engine is way too far off.........like .0400 in

I can't figure out how it even runs

 

Either one of the torrington bearings (thrust bearings), the thrust plate, the thrust washer, the spacer, or the stationary plate are worn. Take off the front cover and check them out.

 

In the Engine section of the series four or series five manual, there is a passage that tells one how to tell if *something* has been left out. You tighten the pulley bolt, then remove the bolt. You measure from the area that the pulley bolt seated TO the front of the eccentric shaft. The dimension should be .0961 MAX. You can use a vernier caliper or a depth gauge or just a common six inch machinist scale, like a Lufkin or General. It sounds like you've got something irregular in there, but when your through fixing it, you might go to the page, page 1-57 of the engine section of the 88 fsm, and just measure as an extra measure.

 

Hailers, it was correct the first time .027 - .040. You have written (.0027") two thousandths of an inch plus 7/10s (seven tenths) of a thousandth of an inch. Say it out loud and it makes sense. The fourth position after the decibal is the hardest to understand for most people. You come up saying "three tenths" (3/10) of a thousandth and most engineers in the country have to think about that measurement. (ask me how I know). Only those that work in thin film processing are the ones that use such tight measurements or work in that environment. I work with angstrom thin film deposition. 250,000 angstroms (not exact) would be close to 1 mil or .001" and finaly for our metric system friends .025mm......I think