Quote:
Originally Posted by mikedsilva
I wonder if the 'dip' might have something to do with the large jump from 1.5inch to 1.75 inch headers?
Perhaps a set of 1&5/8 might help?
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The 1 3/4" headers are way too big for that motor. He should be using 1 1/2"...1 5/8" is also too big.
I don't recall if we heard how big the ITBs are....and the stacks are short which doesn't help the lower RPM range any.