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-   -   3.4L upgrade ? (http://forums.pelicanparts.com/porsche-911-technical-forum/768929-3-4l-upgrade.html)

SLR 09-01-2013 01:33 AM

3.4L upgrade ?
 
Can or has any one photos of there 3.4L rebuild? and if so would you post them. There are a number of guys looking at doing the sam e thing, 3.6L swap is a good idea but getting one at a good price plus leaving the 3.2 looking like a 3.2. :D Here in Germany it is a lot of paper work to a car in most any way.
Thanks Steve.

89911 09-01-2013 03:22 AM

http://forums.pelicanparts.com/uploa...1378034423.jpg

I have an "external" picture that I located to show you the car with the heater backdate, twin distributers, but its not going to look a lot different then a 3.2 with the same. In fact no different which is what you are going after?:)

Craig T 09-01-2013 02:04 PM

I did the 3.2 to 3.4 conversion. I had a tough time deciding between a 993 3.6 drop-in vs. upgrading the 3.2. When penciled-out to the last $$$, the actual cost of both were very similar (about $25K)...but ONLY IF the 3.6 does not need a rebuilt. I decided I wanted to keep the old-school look and sound.

I went with a GE60 cam, just slightly more aggressive than a 964 cut, bumped up the compression to 10:3.1, 46mm PMO's, and twin-plugged the heads. I'm keeping a conservative timing and fairly rich A/F ration to extend the engine life and still seeing hp results similar to what others stated in last week's "3.4 Upgrade?" thread.

My first dyno results show 274.6 rwhp, and 228 ft tq. This run was on 91 octane unleaded. With leaded race gas it's likely closer to 280 hp (I can really feel the difference, and bought a 55 gl drum of 110 leaded last week :eek:). if I bumped the timing 2 degrees, and leaned it out to 13.2, I'd probably see 300 hp.


http://forums.pelicanparts.com/uploa...1378072621.jpg
http://forums.pelicanparts.com/uploa...1378072658.jpg
http://forums.pelicanparts.com/uploa...1378072682.jpg

http://forums.pelicanparts.com/uploa...1378072723.jpg
http://forums.pelicanparts.com/uploa...1378072748.jpg
http://forums.pelicanparts.com/uploa...1378072761.jpg
http://forums.pelicanparts.com/uploa...1378072772.jpg
http://forums.pelicanparts.com/uploa...1378072791.jpg
http://forums.pelicanparts.com/uploa...1378072805.jpg

Craig T 09-01-2013 02:06 PM

http://forums.pelicanparts.com/uploa...1378073127.jpg
http://forums.pelicanparts.com/uploa...1378073147.jpg
http://forums.pelicanparts.com/uploa...1378073161.jpg

SLR 09-01-2013 02:12 PM

WOw! thanks thats exactly the sort of thing I have been looking for


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