04-22-2005, 12:43 PM
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#1
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Registered User
Join Date: Jun 2004
Location: Des Moines, IA
Posts: 8,083
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Here is the short answer:
The 3.2 will "bolt right in" to the 2.7 slot.
The difficult things to handle are:
Clutch-you will need an S clutch and figure out if it will mate to 5 speed trans from reg Box.
Emissions-if you are in CA or MA, you need to talk to Smog shops to get their take on what issues you will have to handle.
Exhaust-need the S exhaust for the S motor. Try to buy complete engine/exhaust unit.
ECU Computer. Will need to use S computer.
Who will install--Hint, Porsche dealers will likely not touch this with a 10 ft pole.
Cost-Used engine is how much with right parts? Porsche will sell you a replacement engine but will require a like CORE engine back.
Interesting issues-hope someone who has done this chimes in!
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04-22-2005, 12:57 PM
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#2
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Registered User
Join Date: Feb 2005
Location: Pittsburgh, Pa
Posts: 670
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^ remember, he has the 2.5, not the 2.7. He wants to know how hard a 2.7 or 3.2 would be for a 2.5 Boxster.
__________________
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When people risk their lives, shouldn't it be for something very important?
Well, it better be.
But what is so important about driving faster than anyone else?
Lots of people go through life doing things badly. Racing's important to men who do it well.
When you're racing, it's life. Anything that happens before or after is just waiting.
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04-22-2005, 01:18 PM
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#3
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Registered User
Join Date: Apr 2005
Location: LA
Posts: 2
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Thanks for the feedback guys.
Regarding the catastrophic engine failure, I've seen posts from people who had their engines replaced by Porsche (either free or half price), even when out of warranty. A very small number of the '97 - '99 model series apparently had issues with porous motor blocks, so it's a known issue to Porsche.
Still would like to hear from people who had their 2.5l exchanged for a 2.7 or 3.2l.
Thanks!
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04-22-2005, 01:24 PM
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#4
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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go big man
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GT3 Recaro Seats - Boxster Red
GT3 Aero / Carrera 18" 5 spoke / Potenza RE-11
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BORN: March 2000 - FINLAND
IMS#1 REPLACED: April 2010 - NEW JERSEY -- LNE DUAL ROW
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04-22-2005, 01:33 PM
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#5
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Registered User
Join Date: Jun 2004
Location: Des Moines, IA
Posts: 8,083
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What I posted applies to a 3.2 into a base car, either 2.5 or 2.7.
Not sure about the 2.7 into an older 2.5 Boxster but if it were me, I would simply go right to the 3.2 swap, in a heartbeat.
In other words, if you need to swap an engine, why not go for it!
The impact of going from 201 HP to at least 250HP seems to good to pass up.
Now the 996 engine is a whole other matter.
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04-22-2005, 01:36 PM
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#6
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Registered User
Join Date: Jun 2004
Location: Des Moines, IA
Posts: 8,083
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"A very small number of the '97 - '99 model series apparently had issues with porous motor blocks, so it's a known issue to Porsche."
Yes this happened. For the most part, the engines failed pretty quickly on these. I have to wonder how many are currently being ascribed to this source of the problem.
Good luck in either case!
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06-16-2005, 02:12 PM
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#7
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Registered User
Join Date: Jan 2005
Location: Southern Cali
Posts: 494
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Quote:
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Originally Posted by Perfectlap
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That's right, GO BIG OR GO HOME! 
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06-16-2005, 06:13 PM
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#8
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Registered User
Join Date: Nov 2003
Location: Illinois
Posts: 3,033
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Yeah, if you are going to swap go for the 3.2L at least.
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05-29-2010, 01:11 PM
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#9
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Registered User
Join Date: Jan 2008
Location: St Catherines, Ontario
Posts: 439
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2.5 to 2.7
I'm currently sitting on a 2.5L 1997 with a cracked head.
I found a 6,000 mile 2.7L for a good price. Can I just swap throttle bodies and go?
__________________
2006 Audi A4 Avant 2.0t Quattro
1997 Boxster Glacier White w/facelift(gone but not forgotten)
2004 Boxster S 550 Spyder Anniversary Edition
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