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Old 08-13-2004, 06:47 PM
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REBUILD IT! my engine needs help

i thought my engine was doing ok.. but then i found out i am supposed to be getting 17 mpg and im getting 8 i read a story at truckin.com about someone who rebuilt the same engine and got it up to 16mpg. How much is it going to cost me to have my entire engine rebuilt? anyone know?

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Old 08-13-2004, 06:53 PM
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thats pretty much of an open ended question.it could cost anywhere from 1-3,000.just depends how much you do and if you do it.what do you want to end up with.you didn't say what you had to begin with.
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Old 08-13-2004, 10:09 PM
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yeah it realy depends on what you have put in your engine. btw, same truck? same drivetrain? same tires?, same ignition system? same induction system???? it all makes a diffrence when it comes to MPG.
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Old 08-13-2004, 11:01 PM
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For cryin out loud. What engine is it? You do know there are vast differences in the cost of engine rebuilds?
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Old 08-13-2004, 11:43 PM
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wait, you're rebuilding the motor due to poor gas mileage? Wrong course of action, what makes you think it needs a build?

K
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Old 08-14-2004, 03:11 AM
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U are leaving out vital information. What kind of engine. what size engine and year. Is it fuel injection or carburated. Auto or manual trans? More specifics will get your clearer answers to weather or not it will need a rebuilt. Dont rebuilt anything until u know for sure whats wrong. If not u will waste your time and your money.
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Old 08-14-2004, 09:17 AM
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Spend some money on a very thorough tune up.

New plugs wires cap rotor fuel system attention ignition timing etc.

See if that helps. If you do need a rebuild, you would have needed to buy that stuff anyway.
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Old 08-14-2004, 05:20 PM
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Wait!!

[color=yellow]Doc Here

While you are doing that tune up, Do a complete Compression test , should be around 125 to 150 a hole, then a Vacuum test should pull about 17 to 20 InHg at idle without fluctuation.

This will tell you how the rings and valves are.. If it is good and dosen't smoke... or use oil , why rebuild it?

look at the induction system , timing, DRIVING HABITS, Tire size, gear ratio, weight of the truck and it's load, ETC...

You need to first answer :engine displacement, and year, What type of induction system you have , Carbed or Fuel infection <--I know, but I like it so it stays...) HEI ignition or points, if Carbed 2 or 4 barrel....Does it smoke or run poorly, what color smoke, and how many miles do you have on it.....before any better advise can be given .

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Old 08-15-2004, 12:46 AM
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i agree, we need much more information be4 we can help ya out
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Old 08-18-2004, 01:54 PM
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Yea it could be anything causeing poor milage.PERHAPS YOUR FOOT???
I would do a compression check,if its got good compression and good oil pressure I wouldn't rebuild it.
Full tune up like said,Plugs,wires,cap,rotor,fuel and air filters,set timing adjust carb,run your tires at max air pressure,open your tailgate,ditch any eccess weight in the car like bowling ball in the trunk etc...
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Old 08-18-2004, 04:45 PM
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Quote:
Originally posted by 78 monte
Yea it could be anything causeing poor milage.PERHAPS YOUR FOOT???
I would do a compression check,if its got good compression and good oil pressure I wouldn't rebuild it.
Full tune up like said,Plugs,wires,cap,rotor,fuel and air filters,set timing adjust carb,run your tires at max air pressure,open your tailgate,ditch any eccess weight in the car like bowling ball in the trunk etc...
[color=yellow]or the Mother ~In ~ Law "A" driver...... LOL

Doc
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