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Author Topic:   Steve Hendren
posted February 02, 2004 04:47 AM
I run open wheel modfied i have 1 5/8 step out to 1 3/4 header and i also have straight 1 3/4 the motor is a 386 cubic inches on a 3/8 mile what differce in performance i know that the 1 5/8 to 1 3/4 will give more torque but would they suffer on topend compared to the straight 1 3/4 headers they i have a set of 3 1/2 merge collecters that can be switch out for each header the motor will be turning in the 7500 rpm

posted February 02, 2004 06:12 AM
If your not suffering on low and mid range torque, I'd go with the straight 1-3/4" headers along with your merge collectors.


Hendren Racing Engines
Rutherfordton , NC
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