300 6 questions
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Well you can start simple for example new plugs,wires,cap,rotor fuel filter air filter basic tune up stuff and then start fine tuning it play with timing and jetting what year is it does it have the eletronic feed back carb and dizzy?? you could remove the smog pump if its still in place little but less drag.need more Iinfo on your motor
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From: Western Colorado
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From: Virginia
What year is your truck? What mileage are you getting now? Is it 4x4? What tranny do you have?
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I seem to be getting about 12.5. I will be putting plugs, cap, rotor, wires, fuel and air filter in today.
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I'm not sure, I'd think it does, I'll be setting the timing today as well, I know it's a little to close to the top. I can load it up with fuel and make it back fire also it runs backwards occasionally when I shut it down. It's doggy where it should have low end torque too, takes some feathering of the throttle to get it to go and evens out when the R's are up.
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From: Virginia
Just make sure it has a vacuum line hook-up to the dist. If there is no place to hook one up, and a lot of other stuff is plugged off, you definitely have a road to more fuel mileage but it will require a little work and some parts.
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Joined: Nov 2013
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From: Maryland
Definitely, it isn't meant for high speed work. Its an industrial engine. I never run mine above 2500. Its a heavy inline, it can lug a 20 ft trailer filled with lawnmowers up a pretty steep hill in 3rd at 1000.
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From: Western Colorado
Post Fiend
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From: Lost
In my opinion, the only engine better suited for use in a truck, is the Cummins 5.9L I6 Diesel. Sadly, it was mated with what I consider to be an inferior chassis.....
I want to replace my 4.9L/300 I6 with a 5.9L I6 Cummins. NV4500 would be my 1st choice for a trans, but I wouldn't turn down the NV5500.......
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From: Maryland
Amen. I met a guy who had an F250 with the T-18 and 300 6 with 479,000 miles on it on its second tranny. He hadn't touched the engine except for a broken rocker arm, which he said was his fault(installed incorrectly).
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From: Western Colorado
NV5500? I assume you meant NV5600 (6-speed, cast iron case, herky single-disc clutch) which was replaced in 2005 1/2 by the wimpy G56 (aluminum case with 'dual-mass clutch' - Daimler crap)