Quote:
Originally Posted by chassis1
1.750 is way too big for the lt1 first step.......measure the ports one of the heads, I think they are more D shaped and barely over an 1.500.....
and remember, just because it is a step header does not mean the steps are correct......
Chassis1
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The 1 7/8" are even bigger, yet made more power 5500 + up.