Buy a 1000 doller beeter civic or mitsu marage for weekday gas savings. Build A BIG BLOCK FOR FUN AND WEEK END DRIVING ! #1 gas $ saved during the week will pay for week end gas ! #2 Plus you will feel more acepted at car shows with the big block car and not past over buy most with a wimp small block in there . #3 I know small blocks can run but it does not mater to the masses perception and coolness is everything that is why you have a 68 b-body in the first place anyway right ?