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Author Topic:   Sound Levels
77Racer
Member
posted January 03, 2001 11:46 PM
One of our local tracks has gone to a 90 dba@100feet rule. I have always been at 94-95,(95 was the old rule).I run Dynatech hedders 1 3/4"to 3 1/2",lobacs,,,,93 Harris. I've heard of some guys running a street stock type header up and over the trans to get both sides to the right rear. Also Crossovers but needing to cut and modify the tubes. Any ideas?


MOD RACER#93
Member
posted January 04, 2001 08:41 PM
I run 180 crossovers with no muffler and it seems to be quiter the car with mufflers..lol


77Racer
Member
posted January 05, 2001 06:22 PM
Cross overs are what i'm thinking about doing,but I want to make sure I get the right set that takes the least modifying of the car. IMCA and NASCAR rules are what I need to worry about,,,no UMP around here.


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