Start your own thread & we'll see if we can't figure something out for you. Note the engine.

 

my 95 5.0 with 114k gets 10 mpg with litght mods such as, underdrive pullies, elec. fan, K&N FIPK intake system, no muffler and fresh plugs and wires, ive yet to do my timeing bump, and im soon goin to be puttin shorty headers, Magnaflow Y-pipe and new o2 sensor. hopefully she will start getting better mpg

 

I get about 11 mpg on my 15 gallon tank but that's if I drive like grandma. My mods are listed below, so i expect terrible mpg. Oh and yes, the smog pump is a good question as stated above...mine has a big open end that looks like a hose should be attached.

 

Thanks for all the support. Right now I'm getting about 14mpg on the highway. As soon as the weather breaks I will go with the Seafoam. I used a similar product from STP back in the 80's and it worked wonders but that product isn't around anymore.

I know I have other issues to deal with I was just wanting to know what to expect when everything is right.

 

damn, i get 19mpg city on a 351 V8 with 100k miles with just a new oil change. the plugs and wires and stuff are all due for replacement

 

93' 302 4x2. Got 18 mostly highway when I went out of town a few weeks ago. Hoping to improve upon that with a new coil and gonna try new "sidegap" style plugs.

 

Thats awesome, I just always put it in the fuel tank. I should try that on my car. My Thunderbird has the exact same engine as the second fuel injected one they showed.