need help on 460
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New User
Joined: Apr 2002
Posts: 4
Likes: 0
From: Brighton
need help on 460
I need help on my 1984 f-250 cab & half with a 460 v8 with a 4 speed and 4 wheel drive, and I think it has 4:11 gears in it. I have the manifold off right now and I was wondering if it would cut my gas milage if I took off the emissions(EGR) or if it would help. I am getting about 10mpg if I keep my foot out of it and about 6mpg if I keep it hammered all the time(this is all befour I put in new plugs, wires, cap, rotor. I have not yet got gas milage with the new components.)I have just rebuilt the stock Holley carb. I also kind of wanted to put a new manifold and maybe a carb on since I have the old ones off also. Is there a good combination to give me more response and better gas milage? I use the truck to just drive back and forth to school and go to our cottage with it. so I do some around town and also highway driving. And lastley what is the horsepower rateings and torque rattings for this? Thankyou, Steve If you live in the michigan area and have any old outboard motors(pre 1960) e-mail me Thanks. 
Elder User
Joined: Jan 2000
Posts: 966
Likes: 2
From: Crooked River Ranch, OR
need help on 460
Save your money and buy a small car to commute with. If your getting 10 MPG your doing good for a carbed 460...the injected ones get between 11-12 when not towing. I drive an older Geo XFI to work (55 MPG)...you should be able to pick one up for under $1,500. If you spend that same $1,500 on your truck you MIGHT pick up 1 MPG. Deen
