Replace Pistons and Rings with engine in car? - Alfa Romeo Bulletin Board & Forums
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post #1 of 4 (permalink) Old 06-15-2007, 11:04 AM Thread Starter
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Replace Pistons and Rings with engine in car?

Ok, here goes:

It is theoretically possible to replace the pistons, rings and liners without removing the block from the car. I have heard anecdotal evidence that some have done so, and I may have read such a suggestion in a Braden book. I would like some input from board members as to whether this is anything that anyone in their right mind would attempt. I can think of several reasons why such a procedure may turn out to be more work than pulling the engine or may otherwise require pulling the engine after finding that one or more liners simply won't budge.

Input, advice, laughs?
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post #2 of 4 (permalink) Old 06-15-2007, 11:29 AM
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I looked into doing this myself but decided to pull the engine. I'm glad I did!
It would have been impossible (at least for me) to get the liners out with the
engine in the car (short of tearing it down to drop the crank, etc). Furthermore, I now have the peace of mind of knowing that I have checked everything and gone thru the the engine properly (found the oil pump had
a stuck press relief piston for example). Do it right, it's real easy to work
on the engine when it's on a proper engine stand! I'm doing mine right and
will be running the snot out of it for many years to come........

Kjell "Shel" Nelin 61 Flaminia GT
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post #3 of 4 (permalink) Old 06-15-2007, 12:02 PM
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I have done it. You must unbolt the engine mounts, jack up the engine a few inches and put a piece of 2 by 4 under each one then drop the engine on them. This gives clearance to remove the oil pan and get to the rod bearings. You can even replace the main bearing shells but you can't grind the crank so if you have oil pressure problems you will need to pull the engine.

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post #4 of 4 (permalink) Old 06-15-2007, 12:10 PM
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Sure you can. Here is an old thread on how it's done for ring replacement.


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