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View Poll Results: Are you on a donor engine?
Still on the orginal 44 84.62%
Original was rebuilt 1 1.92%
Replaced with a used engine - no rebuild. 3 5.77%
Replaced with a used but rebuilt engine 4 7.69%
Voters: 52. You may not vote on this poll

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Old 03-25-2016, 07:26 AM   #1
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Are you on a donor engine?

Please share your experience in replacing your existing engine with a used one from another car. Why a new engine was needed, where did you source the engine, what issues your encountered and how thing have gone so far.

I'll add a poll just to log the number of members on donor engines.

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Old 03-25-2016, 10:06 AM   #2
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In the process of transplanting an 05 donor into my 03 2.7. It has not gone well...
Got the engine from Woody.

IMS bearing failed.
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Old 03-25-2016, 10:34 AM   #3
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Not in the Poll, due to multiple answers.

Of the cars I have owned:
-2001 2.7 Tip 125,000 miles. Broken rod destroyed engine prior to my purchase. I expect there were other contributing factors - some coolant had jelled. (good dual row IMSB)
-2001 2.7 5-spd (Donor Car) 120,000 miles. Original engine, swapped into the above car with maintenance items, not rebuilt. (good dual row IMSB)
-2000 S 6-spd 128,000 miles. Unknown failure of 3.2L replaced with non-rebuilt 1997 2.5.
-1999 2.5 5-spd 140,000 miles. Original
-1999 2.5 5-spd 80,000 miles Original
-1999 2.5 Tip 128,000 miles Original engine, rebuilt Tiptronic.
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Old 03-25-2016, 02:24 PM   #4
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Rebuilt my original just to make it better & last longer than I do.
OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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Old 03-25-2016, 04:27 PM   #5
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I have 95,500 miles now. Bought it just under 3 years ago with 58k on it. The engine was replaced with a Porsche rebuild in 2008 with 37k on it.
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Old 03-26-2016, 05:14 AM   #6
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I would say 1 out of 10 boxsters that I buy have had the motor replaced and most of them have been 1999's. One only had 43k and another had a second blown motor!
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Old 03-26-2016, 06:21 AM   #7
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I couldn't vote since there's no category for replacing with a new engine. My 2003 S engine was replaced under warranty at around 36,000 miles with a new 2006 (larger, non-replaceable IMSB) engine. 99,000 miles now and still running perfectly. I contacted the dealer who replaced the engine (previous owner) and they said their records showed that a "cam tower" had cracked (I think that's what they said).
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Old 03-26-2016, 08:39 AM   #8
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Mine is not the norm. My 2.7 original 42K motor is in storage in my garage ready to go as needed. I was on a search for more power, so I searched eBay for a 3.2 with low mileage and no core or return. I had no intention of rebuilding it. I found a flood damaged 2004 SE that the motor was supposed to be undamaged and that "the water had not got high enough to get inside". I believe he also said he had some great cheap vacation property in south central Florida. One cylinder was about to dechunk and three total had corrosion in the bottom 1/3 of the cylinder. He then refused to accept a return. After allot of back and forth he finally agree to half the original agreed price. About $12K later I have a track day monster.
2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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Old 03-27-2016, 05:13 AM   #9
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1997 2.5 @ 124,000 miles which I bought knowing it was burning coolant. Right bank cracked somewhere didnt bother digging to find out.

Swapped a used high mileage motor. Low mileage motors are the ones that seem to croak

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