Originally Posted by SIERRA SS
yeah, on my 2K olds bravada with the 4.3 V6 i had the helix spacer from S&P and didnt really notice any more power, but i picked up around 2-3 MPG. So in that respect it may be worth it, but not for power.
yeah, on my 2K olds bravada with the 4.3 V6 i had the helix spacer from S&P and didnt really notice any more power, but i picked up around 2-3 MPG. So in that respect it may be worth it, but not for power.
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