Webers Cars - IDA vs IDF

Bill, the IDA's are geared towards the more performance, higher compression motors (cobras, shelbys gt40's ect..), the IDF's are for the more docile motors( 289,mild 302"s ) and are apparently a little easier to tune.
 
My engine is a 331 with 10.2 compression and a high lift, short duration cam. Would I be better off with the IDA's of the IDF's?

Thanks
Bill D
 
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Bill, I would think the IDA's would be the ticket for that motor. I really think the IDF's were made for stock motors,street rods ect..
 
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