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-   -   83 SC 3.0 CIS to webers (http://forums.pelicanparts.com/porsche-911-technical-forum/147490-83-sc-3-0-cis-webers.html)

Sonny 02-06-2004 04:10 PM
83 SC 3.0 CIS to webers
 
If I strip off the cis on this engine and put my 40IDA webers on, is there anything I need to do to the stock distributor??? And why are there 2 vacum lines instead of one going to this distributor?? My brain does not operate with CIS yet!

1fastredsc 02-06-2004 04:40 PM
One is vacuum before throttle, the other is vacuum after throttle. Why it's like this, i still don't know.

chuckw951 02-06-2004 06:05 PM
Re: 83 SC 3.0 CIS to webers
 
Quote:
Originally posted by Sonny
If I strip off the cis on this engine and put my 40IDA webers on, is there anything I need to do to the stock distributor??? And why are there 2 vacum lines instead of one going to this distributor?? My brain does not operate with CIS yet!
I believe you need to have the distributor recurved to work with the carbs else replace it with a 78/79 distributor.

chuckw951 02-06-2004 06:06 PM
Re: Re: 83 SC 3.0 CIS to webers
 
Quote:
Originally posted by chuckw951
I believe you need to have the distributor recurved to work with the carbs else replace it with a 78/79 distributor.

Why are you converting to carbs?


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