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2019 GMC Duramax, navistar, Isuzu diesel

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buickanddeere
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PostPosted: Sat Jan 13, 2018 6:27 pm    Post subject: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

Looks like GM's 3.0L Duramax diesel for use in the full size 2019 pickups is an Isuzu/Navistar.

The 4JJ1-TCX is a DOHC 16 V 3.0 L common rail direct injection engine with VGS-turbo and intercooler, originally with a 17.5:1 compression ratio. Stock power in 2006 was 163 PS (120 kW) and 360 N?m for Manual transmission/ 333 N?m for Automatic transmission, increased to 177 ps and 380 N?m in 2011 with a reduction in compression ratio to 17.3:1. With the introduction of Isuzu's "BluePower" system for improved economy in 2015, the compression ratio was further reduced to 16.5:1 both for the facelifted "Blue Power" D-Max and the Mu-X. Bore x stroke is 95.4 mm x 104.9 mm.
 
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RBoots
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PostPosted: Sat Jan 13, 2018 7:03 pm    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

Might as well wipe the manual transmission specs off for use here in the US. Like all the others, I'll bet it won't even come with the option of a manual transmission in a pickup chassis. Is that a V6? Guess I didn't see where cylinder arrangement was stated. Is that gonna be for 1/2 ton trucks, or the new standard diesel engine for all pickup platforms?
 
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Louis A
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PostPosted: Sat Jan 13, 2018 7:55 pm    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

RBoots wrote:
Might as well wipe the manual transmission specs off for use here in the US. Like all the others, I'll bet it won't even come with the option of a manual transmission in a pickup chassis. Is that a V6? Guess I didn't see where cylinder arrangement was stated. Is that gonna be for 1/2 ton trucks, or the new standard diesel engine for all pickup platforms?


It's an inline 6.
 
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MarkB_MI
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PostPosted: Sun Jan 14, 2018 3:47 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

> I'll bet it won't even come with the option of a manual transmission in a pickup chassis.

Why would GM offer an option nobody will buy, even if it could hit emission and mileage targets?

The diesel will come with a ten-speed automatic. That's the equivalent of how many manual transmission gears? 16? 20?
 
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SodBuster87
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PostPosted: Sun Jan 14, 2018 4:28 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

CVPost-MarkB_MI wrote:
(quoted from post at 04:47:51 01/14/1Cool > I'll bet it won't even come with the option of a manual transmission in a pickup chassis.

Why would GM offer an option nobody will buy, even if it could hit emission and mileage targets?

The diesel will come with a ten-speed automatic. That's the equivalent of how many manual transmission gears? 16? 20?
It a vicious cycle. What killed the manual is packaging it with the small engine and no options. People wanted the big(ger) engine so they bought the auto. Then the marketing guys said omg the manuals ain't selling lets kill it . Sod Buster
 
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JDEM
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PostPosted: Sun Jan 14, 2018 6:29 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

Is Navistar hurting for work since Ford fired them? I still have to laugh whenever I hear NAVISTAR instead of IH. It was originally "Navigating the Stars", but that got dropped pretty quick.

Unless you have money to burn - seems these new diesels are silly. I am very happy with my 94 Ford IDI diel and my 1985 Isuzu IDI diesel. I suspect all I will need for the rest of my life.
 
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rustyfarmall
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PostPosted: Sun Jan 14, 2018 6:31 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

CVPost-JDEM wrote:
(quoted from post at 07:29:06 01/14/1Cool Is Navistar hurting for work since Ford fired them? I still have to laugh whenever I hear NAVISTAR instead of IH. It was originally "Navigating the Stars", but that got dropped pretty quick.

Unless you have money to burn - seems these new diesels are silly. I am very happy with my 94 Ford IDI diel and my 1985 Isuzu IDI diesel. I suspect all I will need for the rest of my life.


I'll just stick with my 8.1 gasser and 6 speed manual thank you.
 
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Dan Richardson
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PostPosted: Sun Jan 14, 2018 6:42 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

I know what a gasser is. I know what a six speed is. I know a Cummins makes to much noise. Beyond that..............
 
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Russ from MN
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PostPosted: Sun Jan 14, 2018 7:24 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

Pretty hard to shift a manual and steer while talking on your cell phone!
 
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showcrop
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PostPosted: Sun Jan 14, 2018 9:07 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

CVPost-Russ from MN wrote:
(quoted from post at 08:24:19 01/14/1Cool Pretty hard to shift a manual and steer while talking on your cell phone!


Don't forget eating your sandwich at the same time, LOL.
 
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RBoots
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PostPosted: Sun Jan 14, 2018 9:18 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

Just the same as an automatic, if it had 10 speeds, why the heck would you think it would need 16 or 20 in a manual? I realize they have to meet the emissions and mpg requirements, but there are still people out there that know how to shift, and like a manual transmission. Like autos in heavy truck applications, not everyone is pulling 35,000 lbs of produce. I guess I shouldn't expect any less though, people are too stupid to even figure out how to drive most of the time, let alone have manual input on a mechanical device that won't just "do it for them".
 
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rlp in Co.
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PostPosted: Sun Jan 14, 2018 11:37 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

What I like about manual transmissions is they usually can wear out two engines. My neighbor just spent $3500!!! to rebuild his Chevy automatic transmission.
 
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MarkB_MI
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PostPosted: Sun Jan 14, 2018 11:51 am    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

> Just the same as an automatic, if it had 10 speeds, why the heck would you think it would need 16 or 20 in a manual?

The torque converter in a slushbox replaces a lot of gears. The Chevy Powerglide of the fifties had only two speeds, replacing a three or four-speed manual tranny.

Modern engines have relatively narrow power bands, driving the requirement for more gears to keep the engine up on its torque curve under heavy loads. And few drivers will want to mess with even a ten-speed manual in a half-ton pickup truck.
 
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MarkB_MI
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PostPosted: Sun Jan 14, 2018 1:00 pm    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

> What I like about manual transmissions is they usually can wear out two engines. My neighbor just spent $3500!!! to rebuild his Chevy automatic transmission.

Replaced a heavy duty clutch lately?
 
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DR. EVIL
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PostPosted: Sun Jan 14, 2018 1:58 pm    Post subject: Re: 2019 GMC Duramax, navistar, Isuzu diesel Reply to specific post Reply with quote

I put 300,000 miles on my '96 F-250 Powerstroke with the 5-speed manual. I bet I clutched and pulled it out of 5th to shift into 6th a couple thousand times! I test drove the first Super-Duty I could find with the 6-speed manual, SuperCab F-250 diesel. For lots of heavy towing it was the combination to have, but for all the light load running around I did my 5-speed with 3.55 gears ran right up to speed just fine. Even when I towed just short of 20,000# I was surprised how my stock truck with such long gears would climb hills and gain speed.

Unless you buy a Kenworth, Peterbilt, Navistar, FreightShaker, or some imported Hino or something, you can not get a manual transmission in a pickup anymore. Half, 3/4, or one ton, all brands, Chevy, GMC, Ford, and Ram, all only automatic as of start of 2018 model year. Ram was the last to offer a manual in 2017. After over 40 years of driving manual trans pickups, I bought my first automatic trans pickup yesterday. The salesperson even made doubly sure that I couldn't order a special option code and still get a manual. Nothing doing.
 
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