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Old 01-19-2016, 09:47 AM   #1
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Quote:
Originally Posted by ksjohn View Post
...If it blows up in short order, I can get a used engine and install it. Put a new IMS in that one with the same clutch and down the road. I did not expect to get into this thing without spending money on it, and I did get it cheap. It is just a question of potentially wasting $400 on this engine or spending $3K on a replacement.

Either way, it will be an adventure!
I know it's a minority opinion and you don't seem to care for votes, but I say IF you enjoy working on cars and have a healthy curiosity about Boxsters go ahead.
As you have said, if the engine fails, you have lost under $1k and gained some significant experience. Having replaced an engine and IMS bearing, I know that doing it a second time will go a lot smoother and faster.

Your engine IS compromised and short of spending much more than it is worth, it can not be 'saved'. The failed 2.7 that I pulled apart was full of debris, most of it was aluminum which will not stick to a magnet. Much of the fine debris was adhering to plastic parts and was still very difficult to remove completely in a parts washing tank with a brush.

Worst case: Soon after you reinstall the engine it will catastrophically fail and the car will need to be towed. I wouldn't plan on taking it for any cross country trips.

Best case: Your engine makes it another 5k-10K miles before the wear from damage and tiny particles finally finish it off. At 2k miles a year, that could be 5 years.

Edit: If you do it, drive it hard and enjoy it; push it to its eventual demise. No sense in taking the trouble if you are going to worry and fear every time you take it out.
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Last edited by 78F350; 01-19-2016 at 10:51 AM.
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Old 01-19-2016, 11:42 AM   #2
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There are a fair number of folks out there who have changed out the IMS AFTER finder metal debris and have lived to drive another day. Actually, many many days.

Roll the dice, take your chances. You got the car on the cheap - worst case, you put a few bucks into a fix, it doesn't work - take it as a (hopefully) fun learning experience and then either go get another engine or a newer Box.

Either way, good luck!
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