Ive got a 90 camaro 305 5 speed 3.08 limited rear. Only mods are open filter with xstream top and straight pipes. I am also unsing 91 octane. The last time I checked i got 26 mpg with my dyno run still on that tank. Just woundered if anyone else was getting this good. And no im not driving it nice to try and get fuel milage.

 

i have a 1992 camaro tbi 305. i have a 3.23 rear end and an 700r4. i can drive 80mph on the freeway and play around some and get 21. or i can drive cool and get 24mpg. figure i am doing good with an automatic.

 

TBI 305 with 700r4 all town driving i get about 20 mpg, i havnt done a road trip yet so i dont have a freeway mpg.

 

Thats the 1 good thing about these motors i guess! I have 1 '92 Bird with 305, 5 speed, 3.08 gears and i get between 24 and 26 average. Mine has all new tuneup parts, plugs, wires, cap, rotor, coil. Also has Flowmaster cat back and open element and air pump delete.

 

Well the L03 is much much more of an economy v8 than a performance one

 

yes stock deffinately more on the economy side. now I know I got 26 out of my completely stock 305 tbi when I first got it. so your not all that cool OP. lol.

 

Thats nice to know. I like that I can have good mpg and still have some power. Ive raced a newer firebird with the lt1 6speed and he jumped by a second and I kept up with him till I had to go to 5th. (He cant drive his car at all.)

 

yeah it looks that way because a stock TBI car shouldnt come close to a 6 speed lt1

 

Mine is an 89 RS. Driving to work daily @ 50 MPH with some stop lights every four or five miles...get 20 mpg regularly. Pure highway driving is 25-26 mpg. only mods are no air pump, higher flow cat w/o air injection, and edelbrock foam air filter (no ram air line though).

 

I have a 350 with headers,open element,custom chip, and performance distributor,cap,rotor,and wires,and i get about 14-16

 

I've been getting between 15-17, i don't know why though

 

Here are a few similar posts that may yeild more info on the subject. Enjoy!

https://www.thirdgen.org/forums/tbi/624601-how-many-mpg-will.html

https://www.thirdgen.org/forums/tech-general-engine/619986-mpg.html

 

you should be getting better than that