blueLIGHTning
Expert Class
Posts: 227
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posted April 11, 2011 05:10 AM
In my personal opinion they are both garbage. Having had duramax and still have 2 cummins, I think they are crap. You always here how they are suppose to ran forever, trouble free. Both cummins never even reached 100,000 miles and still don't have a 100,000 miles and already had to replace the injectors. The automatic transmissions can't handle the torque and I service my trannies twice a year with fresh oil and filter. Both have already been rebuilt, but now you can't even buy a 6 speed manual anymore. The price of injectors I could have put in a brand new crate gas motor and still have money left for a holiday. I can't understand why we need a 7.3 liter or 6.7 liter engine for basically a half ton pickup. If you travel, head over to Europe you will see little 4 banger diesels that pull amazing amount of weight, all you need is a good transmission to do the work with excellent fuel mileage. Leave it to us in North America to always believe that bigger is better. Just look at your VW diesel in there cars that gets 750 miles to a tank. Yes its a small engine in a car but just check around the world, where feul prices are triple the USA, you find small diesels that do twice the work our trucks do here.
  
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Y2KZX12R
Needs a job
CompetitionCNC.com
Posts: 3762
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posted April 11, 2011 07:53 AM
We do a lot of ported cummins heads. We offer several variants to enhance swirl motion and durability. some as radical as cutting 5" off the head at the intake manifold and making a new steel intake manifold for the head.
We oring the heads because they blowout head gaskets when pushed to high hp levels. Other than that they are a good overall engine. The seats will wear out fast when you start making big power with them thou. Eventually the heads crack and have to have seats put in or if its bad enough the head has to be replaced. The truck puller guys go threw heads often. They become beyond repair.
The trannys? Well the mopar trannys are barely up to the task of the stock motors output. The Allison tranny is awesome but it has a few small issues as well when you start making big power. But the issues are easily fixed with software changes by raising varrious pressures in the tranny.
I use HP Tuners. That's my software of choice. There are several hundred things you can change in the GM computers depending on the engine and vehicle.
The bottom line is 90% of everyone driving a diesel truck doesnt need a diesel engine. unless you haul 10,000 pounds on a regular basis, like once a week, you don't need a diesel engine. The added cost and added fuel cost will never be recoverable by the few mpg extra the diesels get over the gas engines.
I would recomend the 6.2L L-92 engine over the duramax for most people and spend the saved money on fuel.
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Y2KZX12R
CompetitionCNC.com
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3000psi and falling
Zone Head
Posts: 848
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posted April 11, 2011 08:41 AM
I agree, most guys need a diesel truck like they need a hole in there head.
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08 ZX14, 2010 Persimmon Red bodywork.
Flies pulled, 16-42, BMC street, 8" extensions, drag shock, cut pan, Cycle Concepts Drag Pack and springs, muzzy m14 w/ oval can, lowered, Shinco usoft rear, pcv with autotune, leightweight Shori 18ah battery, throttle meister. 500lbs at bandimeres scales with half tank of juice.
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Bently
Needs a life
2012 14r In Blue and no Mods!
Posts: 5428
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posted April 11, 2011 08:53 AM
I noticed the same thing about diesel cars yesterday, for example diesel vw that gets 42 miles to the gallon was 28,000 to 30,000 and a new ford fiesta that gets 38 mpg was 14,000 to 17,000. you can buy alot of gas for that extra 11,000 to 13,000 dollars. IMO unless the diesel car can get 50 plus mpg it just is not worth it.
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gilberjj
Needs a job
Friend of Fast
Posts: 3196
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posted April 11, 2011 01:17 PM
quote:
I noticed the same thing about diesel cars yesterday, for example diesel vw that gets 42 miles to the gallon was 28,000 to 30,000 and a new ford fiesta that gets 38 mpg was 14,000 to 17,000. you can buy alot of gas for that extra 11,000 to 13,000 dollars. IMO unless the diesel car can get 50 plus mpg it just is not worth it.
Depending on how you drive, a tdi WILL get 50 mpg. Also, comparing a Fiesta to a TDI Jetta is like comparing a ZR1 Corvette to an F430. They will put up similar numbers, but the execution is vastly different. Drive a Fiesta on a 1000 mile trip, then do the same in the TDI Jetta and you will understand why there is a premium. Additionally, look how the Jetta's retain their value. Sure it's more expensive, but it's also a nicer car.
Besides, you can't pull a zx14 with a Fiesta 
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2000redrocket
Pro
Posts: 1662
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posted April 11, 2011 01:57 PM
well for mpg naysayers my 96 diesel ram got 25mpg (not a joke) driving to wilmington de to a navy reunion. it was perfect mpg driving. in town i get 17 to 22 back and forth to work and the like. running it fast on the highway is not a good way to get good milage on mine. 21 to 22 going to maxton with the bike in the bed. the truck has the parallel adjustment turned up(not sure the mm stroke anymore but when it was apeshit fast it did not hit the plug at 18mm stop. it also has a 375hp mack truck torque plate (this is the plate you 5 and 6 speed guys want it is fantastic ).
i say get a nice older dodge 12valve 96 to 98. no computers normal injectors that can get rebuilt around here anyway for about 50 bucks with new tips and shimmed by hand. go old skool no electronics.
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Nelson Taylor
Zone Head
Posts: 927
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posted April 11, 2011 08:39 PM
I like the discussion....
Gilbert let me slide in here,,, without trying to thread jack I have been debating getting the ford 7.3L or finding a 8.1L or 7.4L gas motor.... I hear the Ford V10 is garbage and a guzzler.... And I am not looking for frequent tranny or injector problems.... I will be hauling 10-11,000lbs about twice a month over the summer for racing so I will need something that has some grunt but, as mentioned if your not carrying 10,000lbs or more on a regular basis I cant justify the cost of putting diesel fuel
in the daily driver... I have seen a couple gas GMC and Chevy's that I like.
If your just carrying your bike and an enclosedtrailer smaller than18ft I would get a nice1/2 ton truck..
Go with the Tundra if you like its style...
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Best #'s
1.54
4.03
6.02 @ 121mph
(Stock Wheelbase) 2006 ZX14
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01smokes
Needs a job
Posts: 2243
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posted April 11, 2011 08:46 PM
I have a D-MAX and I really haven't started it in over 4 months I have no use for it and it just sits here now the track is less than 10 miles from my house and I have a small flat bed that I take the bike on I pull it with my scion xb and still get 30 mpg lol
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PayPal, vigilart22@yahoo.com
Email, artvgl@yahoo.com
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smokinZX14
Needs a life
Posts: 10197
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posted April 11, 2011 09:00 PM
 Edited By: smokinZX14 on 12 Apr 2011 05:02
I sold my Ram 1500 and now i use my Corrolla ... Got to love getting 32 MPG in town towing my zx14 .. I get damn near 40 Hiway pulling the bike ...It sucks having an open trailer but 9 mph on the Ram Vs allmost 40 makes it ok in my book ..  My little 5 speed corrola doesn't even know my zx14 is there , it just hauls ass and never looks back .. I really think i could pull a small inclosed trailer like a 5 by 10 that home depo sells with no problems.. I may try that one day
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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blueLIGHTning
Expert Class
Posts: 227
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posted April 12, 2011 03:35 PM
I agree here the cost of diesel (canada) is about 40 cents higher per gallon than regular gas. A decent gas engine will maintained with last a long time, I had my 318 dodge engine for 18 years without ever opening her up or ever touching the tranny. I ran diesels because need them to pull backhoe digger and small front and loaders. Otherwise I would be runing gas which will most likely still be my next truck. Again I don't understand why we need big diesels engines in pickups when in the rest of the world a 4 cylinder diesel would be in the same truck. Look at transports, it's really the transmission that does the bulk of the work. But hey dealers DON'T make money selling trucks or cars, they make 90% of there money in the service department so why make them last forever.
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Flame On
Needs a life
Fuel Air & Spark
Posts: 17104
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posted April 12, 2011 06:41 PM
Yes the 318 magnum motor is great . I have a Ram stick shift 318 gets OK milage and enough power to move anything I have. Desiel is over kill unless your houling heavy loads, big trailers ect up hills
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77 RD 400
80 GS1000 GT
06 ZX14
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2000redrocket
Pro
Posts: 1662
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posted April 12, 2011 07:02 PM
my friend got a 09 hemi 2500 with the 5speed auto. if i have to go new it will be the hemi. i doubt i will pay for a new diesel again. i just did body work on my 96 and plan to keep it going.
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epd345
Pro
Posts: 1494
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posted April 12, 2011 07:42 PM
Well I have owned a 2003 2500 dodge Ram 4x4 and I averaged 10.5 around town. It was a gas pig. I recently was in the market for a new truck and went with the 5.7 tundra crewmax and now that the weather is warming up I got over 13mpg my last tank around town. I also test drove the new ford F-150 with the new 6.2 which is rated at 411hp. That motor is rated at 12mpg around town on the sticker but I will say it RIPS! It has the ability to lay two nice 20ft black posi strips when you hammer the gas with the traction control off of course from a dead stop. Its been a while since I have seen a truck do that..
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2012 ZX14, Ceramic Coated Brock's CT Meg, PCV, throttlemeister
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