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> ever heard about a 2.5 flat six?
Gustl
post Apr 9 2005, 12:16 AM
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got some info on a '70 six for sale here in Austria
the owner told me, that it got a 2.5 engine installed in 1971 by the Porsche factory - now there's a 2.7 in

well, I've never heard about a 2.5 (IMG:http://www.914world.com/bbs2/html/emoticons/idea.gif)
the seller told me, that is was a very special/rare engine, but it's gone for more than 20 yrs

now I wonder about that engine
does anyone know such an engine? what could you tell me about?
carbs or FI, power, torque, rpm bandwith ...
just try to describe this engine, please

many thanks in advance,
(IMG:http://www.914world.com/bbs2/html/emoticons/pray.gif) Gustl
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Posts in this topic
Gustl   ever heard about a 2.5 flat six?   Apr 9 2005, 12:16 AM
Aaron Cox   i assume its just a short stroke 2.7...   Apr 9 2005, 12:20 AM
Travis Neff   Yep there were 2 versions of the 2.5 engine. Pors...   Apr 9 2005, 12:28 AM
Gustl   ...   Apr 9 2005, 12:29 AM
Joe Sharp   As I recall one of the 916 had a 2.5 in it. Joe   Apr 9 2005, 12:33 AM
Travis Neff   The 911 handbook has references to that engine and...   Apr 9 2005, 12:33 AM
ArtechnikA     Apr 9 2005, 06:05 AM
xitspd   I have seen a couple of 2.5 six cylinder engines. ...   Apr 9 2005, 07:45 AM
mskala   There were 2.5's run in the 911ST, which was m...   Apr 9 2005, 05:48 PM
d914   I run the short stroke 2.0 liter version with 2.7 ...   Apr 9 2005, 06:28 PM
TimT   There are a few iterations of 2.5's the fact...   Apr 9 2005, 06:36 PM
Porsche Rescue   I once had (and J. Fort in Ohio now has) a 2.5, ea...   Apr 9 2005, 07:26 PM
Al Meredith   I bought a 2.4 T MFI engine about 1 yaer ago. I wa...   Apr 9 2005, 07:30 PM
d914   go 2.5 with torque, long stroke, replace only what...   Apr 10 2005, 08:46 AM
ArtechnikA     Apr 10 2005, 09:04 AM
Eric_Shea   I'm building a 2.5 liter. Yup... if you check...   Apr 10 2005, 09:32 AM
J P Stein   Back when I was trying to figure out WTF to do wit...   Apr 10 2005, 10:20 AM
ArtechnikA     Apr 11 2005, 11:19 AM
Eric_Shea     Apr 11 2005, 11:54 AM
J P Stein   "all the appropraite machining" is the key phrase ...   Apr 11 2005, 02:14 PM
Eric_Shea   I didn't mention any names...   Apr 12 2005, 08:29 AM
sixnotfour   .25mm overbore main bearings with standard crank. ...   Apr 12 2005, 12:59 PM
Eric_Shea  
  Apr 12 2005, 02:46 PM
Gustl  
  Apr 12 2005, 05:48 PM


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