I forgot to include that I get about 17.5 -18 mpg in town and 20 on the interstate. Premium fuel makes no noticable gain,but opening up the exhaust with a glass pack ( no cat)helped greatly compared to stock exhaust.Header didnt seem to do too much ,but I needed a new ex manifold anyway.

oh what a feeling:
#1 86 xtra cab 22R,EB 261 cam ,Hooker header,2" ex with cherry bomb, Aussie powered
#2 86 sr5 4x4 efi parts truck
#3 87 2wd parts truck
84 supra yard art