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Discussion Starter · #1 ·
which is better the 12 or 24V's? what tranny is best to look for? any special itmes to pay attention to when serching for one of these? any help would be awsome, im trying to get myself a diesel to drive almost daily, haul and go camping with.. what ones would get better Mpg?? thanks
 

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get a 24v!

Make sure the one you get either has had the vp44 pump replaced very recently (so you can put an airdog on it asap) or has had good fuel pressure to it for most of its life at least.

as for tranny theres only 1 i believe in the 24v's which is the 47re and when you build it up its gonna work just fine for a loooong time.
 

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I prefer manuals. IMO the 5-speed would be the better choice for the daily driver, and the 6-speed for the haulers. Its been reported that the 12-valve engines get better fuel mileage than the 24-valve engines. However many people have gotten the 24-valve well into the 20MPG territory on the highway. The 94-98.5 12-valve trucks have a solid reliable P7100 injection pump that will go strong for hundreds of thousands of miles. A VP44 will go for sometime with a quality aftermarket lift pump system and a lubricant additive such as 2-cycle oil. The 24-valve also doesnt require the periodic valve adjustments that the 12-valve did. In fact Cummins recommends setting the valves on a 24-valve at 150,000 miles.

If it were up to me I would go 24-valve. Electronic tuners are great for on the fly adjustments, and the powerband seems broader when towing and daily driving. The lift pump systems and VP44 can be taken care of if you keep it lubricated and supplied with fuel. That isn't to say the 12-valve isn't capable I just prefer the feel of the 24-valve.
 

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Discussion Starter · #7 ·
well i would like to but my buget is 12k so thats out of the question. so im looking at the 24 and 12v of 94-2001
 

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Discussion Starter · #9 ·
would like to. im going to look at local dealers monday to see whats around and keep looking on CL.. hey when a 24v has pump problems what kind of money you looking at>?
 

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for 12k, get you a 02 five speed, just be sure it has good fuel pressure and that it ain't a 53 block...:thumbsup:

SO pump FTW...:headbang::headbang::headbang::headbang:
 

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for 12k, get you a 02 five speed, just be sure it has good fuel pressure and that it ain't a 53 block...:thumbsup:

SO pump FTW...:headbang::headbang::headbang::headbang:
I just bought an 01, didn't know about the 53 block, what is that? and what is the issue?
 

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Discussion Starter · #15 ·
any other 24v problems to look at? i want the nicer interior that the newer ones have but i dont wanna be replacing pumps at the same time...
 

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So get a newer one then. Like I said before if ya take yer time you will find good deals. I'm sure you'll be able to find a 3rd gen fer 12k somewhere thats in good shape. :thumbsup: Make sure to buy what you want.
 

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well, the reasons why the VP injector pump has such a bad rap is cause people will put on a chip that fuels like crazy, then whine when the VP dies from not gettin enough fuel through the craptastic stock lift pump...:buttkick:
 

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well, the reasons why the VP injector pump has such a bad rap is cause people will put on a chip that fuels like crazy, then whine when the VP dies from not gettin enough fuel through the craptastic stock lift pump...:buttkick:
Yeah........ What CJ said. :ditto: :ditto: :ditto: :ditto:
 
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