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Join Date: Oct 2005
Location: CT
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Cayman Turbo Engine Build or swap? Experts needed!

So I have a 2007 2.7 with headers and exhaust and a 08 3.4. Iím going to turbo one of them just not sure what the best route to go is. Iím leaning toward the 2007 since it has 143,000 miles which renders it close to worthless in the Porsche world. My questions are has anyone tested how much the 2.7 crank or block can hold? Is the 3.4L from a 07-08 a direct drop in with a 3.4 ECU? Need the 3.4 harness? What am I looking for externally to make sure I donít buy a 06 IMS plagued engine definitely want a 07-08 as a starting point. Iím thinking Iíll turbo the 2.7 then build a 3.4 (bored to 3.6) to drop in then really crank the boost go Cayman R suspension gutted and caged. If the 3.4 isnít a direct swap I may just build the 2.7. Purpose of this car is to make it into a debadged fire breather! Iíve searched countless hours and havenít been able to find any of these answers. All help is appreciated!
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07 Cayman 5spd 141,000 Daily Silver/Chocolate
08 Cayman S 6spd 41,000 Black/Terra-cotta
04 Gallardo Gated 6spd 19k Arctic Grigo/Nero Blue
14 BMW M5 6spd Stick 1 of 577 F10 less than 300 LCI
Old 01-04-2019, 10:02 PM
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Is this a DIY project or did you want to have an experienced shop handle the build?
How far do you want to go with performance? A 4.0L TT is possible with deep pockets.
All of the 06-08 987.1 motors still have the IMS w 2 scavenge pumps instead of 4 on later models.
Track-capable demon or primarily a street rod?
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2009 Cayman PDK
With a few tweaks
Old 01-05-2019, 02:11 PM
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I have an experienced engine builder I am working with. I like to go to him with exactly what Iím doing and do it with him. Pockets are deep and I want to shock the hell out of everyone on the track
I like the sound of the 4.0 but donít want to get into 911 engines want to use a period correct Cayman motor. IMS doesnít scare me their failure rates on the M97 is so rare that Iím not worried. My understanding is the 07/8 had an upgraded IMS from the 06. Any idea about power the 2.7 can handle? 3.4 a direct drop in? Thanks!
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07 Cayman 5spd 141,000 Daily Silver/Chocolate
08 Cayman S 6spd 41,000 Black/Terra-cotta
04 Gallardo Gated 6spd 19k Arctic Grigo/Nero Blue
14 BMW M5 6spd Stick 1 of 577 F10 less than 300 LCI
Old 01-05-2019, 03:12 PM
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Join Date: May 2008
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Quote:
Originally Posted by EuroShark View Post
I have an experienced engine builder I am working with. I like to go to him with exactly what Iím doing and do it with him. Pockets are deep and I want to shock the hell out of everyone on the track
I like the sound of the 4.0 but donít want to get into 911 engines want to use a period correct Cayman motor. IMS doesnít scare me their failure rates on the M97 is so rare that Iím not worried. My understanding is the 07/8 had an upgraded IMS from the 06. Any idea about power the 2.7 can handle? 3.4 a direct drop in? Thanks!
Be sure he is an experienced water cooled Porsche M96 or M97 engine rebuilder!
Old 01-08-2019, 09:52 AM
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