pretty good ....
i tryed last year IDA48s on a 928 engine but didn't got it smooth running ( dead spots ) .... was even searching Cobra & GT forums about Weber tuning.... problem was there are no sets venturis and jets in Belgium... had to buy every set...
so back to injection....
had some pics posted in the Weber tuning thread about air filters
http://www.clubcobra.com/forums/show...24#post1015024