Thread: Weber VS CIS
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hilandscott hilandscott is offline
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Join Date: Apr 2001
Location: Athens, GA, USA
Posts: 222
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Advice I received recently concerning carbs for my '78 SC 3.0 Euro:

Get a new set-- don't try to save money with someone else's trash, apparently a new set of PMOs is in the area of $1800

change the cams to increase airflow by going to 964 grind

backdate the exhaust to pre-75

get the distributor re-curved to work with the carbs, not CIS (services offered in back of Excellence)

tune them -- as they are tuneable, fun and driveable and easy to maintain compared to a forced induction (turbo) modification. 25mpg highway is possible.

Perhaps 250HP is possible as well, but that is best left to the dyno...

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'78 911 SC 3.0
Old 10-18-2001, 09:28 PM
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