When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Your 360 will chirp into second with a shift kit or tune. I prefer the 360, I have towed with a hemi in a 3/4 ton, and done some 0-80 runs. I will agree it is faster, but for having an extra 100hp more than the 360 it doesn't feel like it, just my personal opinion and preference. A 408 will, if done correctly, have more hp and a lot more torque, depends on the setup and tuning.
Yeah, probably be like 2mpg lol. oh well thats fine if he is will to pay $4 a gallon to fill every day I used to get 16mpg highway until I put on the duratracs, now 14.5. My uncle has a 3/4 ton mega cab. He never gets above 15 highway. He usually averages 12mpg highway and 8 city. Although he has 285 tires instead of 265.