Hmmm. Looks like the competition is trying to keep up....

[RustyJC]

I didn't imply that the frame (which I sincerely doubt was aluminum) was burning. I was responding to the absolute statement, "Aluminum won't burn", which isn't entirely the case, as it will indeed burn (rapidly oxidize) in certain physical states.

Rusty

 

[PMcCall]

WOW, great pics. at least the resulting mess would be small and easy to clean up

 

[AH64ID]

OK, I talked to Richard at Standard Transmission and he confirmed that the recommendation not to haul heavy up grades in 6th is correct. He is also aware it's not in the owners manual, he went on to add, if your at or above Dodges GCVWR (23k as an example) not to haul in 6th on level or up grades as well. He says the G56 is more vulnerable than the NV5600 but both can grenade when climbing in 6th gear heavy.

I wonder if there is a differce in heat/stress on the AD vs AE ratios?

 

[RVTRKN]

I have thought about the early G56 with 4:10's, even though you'll have high RPM's, it's the best combo for the weaker G56. I would be curios to see what the temps would be for the early version.

 

[Doubleclutch]

Here's a thought. If you assume a transmission is a "Torque Multiplier" my auto shop definition of what a transmission does... Thumping along in 6th gear.. overdrive... and asking the transmission to multiply that 800 ft-lbs of force into something GREATER, is asking a lot when you are loaded heavy. Thinking about the aluminum case vs the cast iron case, which do you think has more rigidity? The Fords have had this restriction on them for a long time, but we just spit off the 5th gear nut and kept on truckin', back in the cast iron days.

 

[JR]

Ford needs to start equipping the water trailers they are towing for their tests with a gas powered pump and 50 feet of fire hose so the engineers can put the fire out next time :-laf

 

[RVTRKN]

Thinking about the aluminum case vs the cast iron case, which do you think has more rigidity.

That's why I'm installing an automatic trans cooler with pump to keep my G56 cool, to prevent the aluminum from softening and making it easier to stretch.

 

[AH64ID]

I have thought about the early G56 with 4:10's, even though you'll have high RPM's, it's the best combo for the weaker G56. I would be curios to see what the temps would be for the early version.

That's a lot of gearing, and was never an OEM option.

65 in 6th would be 2300 with stock size tire. 75 would be 2665.

The truck would pull, but be a lousy bob tail rig.

 

[RVTRKN]

If the issues were known in 06, when I was researching options when I ordered the 07 C&C, that the trans was susceptible to stretching from getting hot, I would have ordered mine with the 4:10 diff. Even though mine is not the early version, I might have considered the 4:10 IF it was an option and IF the trans was the early version. I chose the 3:73 diff over the 4:10 because it was planned for 50% towing/city when I ordered it. It goes back to the original platform for the G56, being in a Medium duty truck in the South American Market, and they were geared for hauling heavy for the life of the trans, and is probably why they changed the gearing right after the introduction in the Ram pickup.

 

[AH64ID]

If the issues were known in 06, when I was researching options when I ordered the 07 C&C, that the trans was susceptible to stretching from getting hot, I would have ordered mine with the 4:10 diff. Even though mine is not the early version, I might have considered the 4:10 IF it was an option and IF the trans was the early version. I chose the 3:73 diff over the 4:10 because it was planned for 50% towing/city when I ordered it. It goes back to the original platform for the G56, being in a Medium duty truck in the South American Market, and they were geared for hauling heavy for the life of the trans, and is probably why they changed the gearing right after the introduction in the Ram pickup.

Makes sense.

4.10's where only offered on the C&C platform with the G56 (aside from a few trucks in 2009? that where recalled), and only with AE ratios. It would be a good combo thou.

I am not sure I would want a G56 with AD ratios, very low.

I do want the G56 AD OD ratio in my NV5600 with 3.73's thou!

 

[RVTRKN]

My 2500 with the NV5600 vrs my C&C with the G56 (look at sig) has the same RPM's at 70MPH.

 

[AH64ID]

My 2500 with the NV5600 vrs my C&C with the G56 (look at sig) has the same RPM's at 70MPH.

As they should... well technically the G56 will run slightly higher with it's .74 OD vs the NV5600 .73 OD.

It's the AD OD ratio of .79:1 that is a towing SOB! The .79 with 4.10's would just be too low, similar to 4.43's with a NV5600.

 

[1coorsman2005]

My swap should be coming together shortly. My clutch I bought with my kit. Is at valair getting rebuilt. I am so anxious to get mine finished.

 

[Dl5treez]

I'm more intrigued by the whole aluminum construction. That could be a winner.

 

[RVTRKN]

I don't think an aluminum frame can withstand the forces involved under certain extremes, let alone normal use.

 

[SnoKing]

I drove a Class 8 Chevy Titan 90, frame was Aluminum, cab was Aluminum, front bumper was Aluminum on on! SNOKING

 

[AH64ID]

I didn't think Ford was going to an aluminum frame, just body panels.

 

[RVTRKN]

I drove a Class 8 Chevy Titan 90, frame was Aluminum, cab was Aluminum, front bumper was Aluminum on on! SNOKING

I stand corrected, but I wouldn't spend $130,000.00 on an aluminum frame class 8 truck.

 

[Doubleclutch]

Hey, you know what's going to happen? Just like when the cobra first came out... "Hey these things are supposed to have aluminum hoods"... Knuckle wrap- "yep, aluminum". The knuckle imprints stayed. Not for me, thanks.

 

[AH64ID]

I drove a Class 8 Chevy Titan 90, frame was Aluminum, cab was Aluminum, front bumper was Aluminum on on! SNOKING

Can the frame design of a Class 8 be compared to a pickup?

While a Class 8 is a HECK of a lot heavier duty, they are different in how they carry weight. They also have a lot more room for frame.

When a Class 8 frame is designed the engineers can be sure where the weight will be placed, on a pickup you can say the same but there is a much bigger area for loading, and easier to give it asymmetrical loading.

Just thinking out loud...