I want more Hp for my 318

The 1 318 Swinger i mentioned was in Amarillo Tx., 3700ft. Alt., most times the DA was around 5K & it would still light fire under that back tire 8).

Well that just makes me feel unlucky (lol). BTW what gearing and rear tires did that Swinger have? I've got 2.76:1 and 225/70R14 BFG Radial T/A's.