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Car Forum / Chevrolet / Chevrolet Trucks / December 20071994 S-10
Just bought a 1994 S-10 with a 4.3 automatic about a month ago. It showed about 127000 miles on it. I've been fixing up a few things on it including a tune up. I set the timing on 0 degrees like it showed to do but had no power. I now have it set at about what appears to be about 8 degrees. The power and pick-up is great there. Now comes the question. To get the best gas mileage where is the best setting to have the timing at. Just got back from a trip from out of state and I got 21 MPG. The book shows I should be getting 18 city and 23 highway. What can I do to get better gas mileage. I've not replaced the distributor cap or the rotor button yet, would this help? Any suggestions would be appreciated. Thanks Jeff > Just bought a 1994 S-10 with a 4.3 automatic about a month ago. It showed > about 127000 miles on it. I've been fixing up a few things on it including a [quoted text clipped - 8 lines] > > Thanks Jeff Put in a set of plugs, wires cap and rotor. Make sure the EGR is not plugged with carbon. Make sure the tire pressures are OK and it isn't out of alignment. Then be happy with the mileage you get. The book numbers are under PERFECT conditions in a lab and are not done using actual driving. 21 is good for the 4.3. Did you set the timing using a book? There is a set procedure to follow.  SignatureSteve W. Near Cooperstown, New York Life is not like a box of chocolates it's more like a jar of jalapenos- what you do today could burn your a.s tomorrow! > Just bought a 1994 S-10 with a 4.3 automatic about a month ago. It showed > about 127000 miles on it. I've been fixing up a few things on it including a [quoted text clipped - 6 lines] > I've not replaced the distributor cap or the rotor button yet, would this > help? Any suggestions would be appreciated. I'd say 21 mpg for a 127K mile vehicle that's listed at 23 is great. on Saturday 22 December 2007 06:39 pm, someone posing as Meat Plow took a rock and etched into the cave: >> Just bought a 1994 S-10 with a 4.3 automatic about a month ago. It showed >> about 127000 miles on it. I've been fixing up a few things on it [quoted text clipped - 9 lines] > > I'd say 21 mpg for a 127K mile vehicle that's listed at 23 is great. Bingo! IIRC, the '94 S-10 trucks had the TBI interface. So if there's any parasitic loss, it might be in there. One might also look at the fan clutch to see if it is getting aged and needing more power to turn the fan. Signaturewww.perfectreign.com > Just bought a 1994 S-10 with a 4.3 automatic about a month ago. It showed > about 127000 miles on it. I've been fixing up a few things on it including a [quoted text clipped - 8 lines] > > Thanks Jeff To adjust the timing. Open the Right hand door. inside the Cab, under the cowl mat, And Just below the Heater, There is a SMALL tan wire with a connector, Split the connector, Now Set the timing to 0 . Then Reconnect the tan wires ... ALL DONE My 1989 4.3, 4X4 , automatic tranny, 225,000 miles get 28 mpg HWY 23 city when not in 4 X 4 Mode ( Citgo Gas 87 Octane) ( with Shell Gas 19 city 22 hwy ) http://www.freewebs.com/kotarski/plow.htm |
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