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-   -   tell me about the difference between 3.0 and 3.3 turbos. (http://forums.pelicanparts.com/porsche-911-technical-forum/229968-tell-me-about-difference-between-3-0-3-3-turbos.html)

air-cool-me 07-07-2005 03:01 PM

tell me about the difference between 3.0 and 3.3 turbos.
 
3.0's have a shorter stroke (70.4mm)?

the use 95mm pistons with 6-5 as opposed to 7-1 comp ratio

do they have the same piston squirter's?

are the upgrade paths relatively the same?(euro exhaust,intercooler,k27)

will the extra .5 a point of CR make a bid difference in the off boost performance?

what else can you tell me about the early 3.0?

thanks
-nick

cowtown 07-07-2005 03:12 PM

3.0s have a higher-capacity fuel distributor. Same upgrade path, starting with removing thermal reactors and installing an intercooler.

air-cool-me 07-07-2005 03:34 PM

Quote:

3.0s have a higher-capacity fuel distributor
then NA's or 3.3's?

cowtown 07-07-2005 03:49 PM

3.0 930 fuel heads flow more than 3.3 930 fuel heads, from what I have read. They can be retrofit to later engines. ImagineAuto also does an upgrade to get higher flow, I believe.

air-cool-me 07-07-2005 05:21 PM

thanks!


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