2007 fuel

[Cixelsyd1]

Will the 2007 only burn the low sulfur fuel or have they found out yet if the will burn all available fuel?

 

[DPKetchum]

The 5. 9 07 will be ok with either. The 6. 7 needs the new stuff.

 

[redram3]

I have heard that Dodge says if you can;t find USLD, it is ok to burn regular #2. Go figure_____________John:

 

[Regcabguy]

I have heard that Dodge says if you can;t find USLD, it is ok to burn regular #2. Go figure_____________John:

I've got 320 miles on mine. They'll run on any grade including Pemex. That's why I bought it. My neighbor's got multiple trips to the tip of Baja on his and zero problems so far. Same as up here,look for a station that pumps a lot of volume.

 

[Vaughn MacKenzie]

If I heard correctly Pemex is rolling out ULSD too. After seeing how smokey the trucks were in Mexico in the '70s and even worse how bad the pungent acrid-smelling exhaust was Pemex has come a long way. I'll never forget how nauseating it was getting stuck behind a semi driving between Mexico City and Veracruz in 1975

 

[Regcabguy]

ULSD Pemex.

If I heard correctly Pemex is rolling out ULSD too. After seeing how smokey the trucks were in Mexico in the '70s and even worse how bad the pungent acrid-smelling exhaust was Pemex has come a long way. I'll never forget how nauseating it was getting stuck behind a semi driving between Mexico City and Veracruz in 1975

I doubt if Pemex will ever clean up their diesel as far as sulfer goes. Our government made a deal with Mx and is supplying cleaner diesel to the border cities in order to reduce pollution. I hope you heard right though. My '99 has done real well down there on the existing stuff. Kent Kroeker told me he always fills up with Pemex before he returns. He's running a full on FASS setup. The newer trucks down there now are much cleaner. Baja's booming and the last time I went down there in the town of Colonett,there were probably forty trucks parked to the side while their operators rested and ate. They were much newer models too.

 

[metwuk]

2007 Year ULSD

As I understand it per epa/gov regs, ANY 2007 above 8800 or so gvw is required by law to run ULSD outside any manufacture recommendations.

Even smaller vehicles in some cases required to run it.

If I read epa web site correctly.

 

[TAbbott]

The reason for the requirement of ULSD is the particulate trap. Excess sulphur will destroy them, just as tetraethyl of lead would destroy a catalytic converter on a gasser. If your truck is not equipped with a particulate trap (5. 9 liter) you can run regular diesel and not worry about it. If you have the particulate trap, (6. 7 liter) and you run the higher sulphur fuel you'll quickly (as few as one or two tanksful) destroy a very expensive piece of required emissions equipment, without which you'll never be able to pass a smog test at the requisite levels for your vehicle. Also, once it's plugged I doubt the exhaust will flow very freely at all so your performance would probably go in the toilet anyway, even if the computer controls didn't put you into "limp mode" because of the excess back pressure, which it almost assuredly would. Simply put, if you have a 6. 7 and fail to run the ULSD, you'll very shortly wish you had.

 

[EB]

The reason for the requirement of ULSD is the particulate trap. Excess sulphur will destroy them, just as tetraethyl of lead would destroy a catalytic converter on a gasser. If your truck is not equipped with a particulate trap (5. 9 liter) you can run regular diesel and not worry about it. If you have the particulate trap, (6. 7 liter) and you run the higher sulphur fuel you'll quickly (as few as one or two tanksful) destroy a very expensive piece of required emissions equipment, without which you'll never be able to pass a smog test at the requisite levels for your vehicle. Also, once it's plugged I doubt the exhaust will flow very freely at all so your performance would probably go in the toilet anyway, even if the computer controls didn't put you into "limp mode" because of the excess back pressure, which it almost assuredly would. Simply put, if you have a 6. 7 and fail to run the ULSD, you'll very shortly wish you had.

Sorry,wrong The only thing that will happen is that the truck will go into the "burn mode", the active regeneration mode more often that it would if you were burning only ULSD. I have nearly 13,000 miles on my cab and chassis 6. 7 and have run 7 tanks of ULSD in it since new. My dealer, the head tech which just came back from a school said to not worry about it, it will just go into the burn mode more often. I pull a trailer all over Texas and it is pulling stronger today than it was when it was new, it is finally starting to get broken in.



Moral to this story is, it won't ruin anything to run LSD, besides, it is probably ULSD and the station hasn't gotten their tanks certified yet.

 

[betterthanstock]

If you burn 500 ppm instead of 15 ppm, the trap and catalyst (if it has the NOx adsorption cat?) will be ruined 33 times faster. So, if on 15 ppm it's designed to go 250K, it will go about 8K before it sustains the same damage from sulphur. Now, ash is a different matter, but the regeneration cannot clean up the sulphur. It binds to the platinum/rhodium/palladium or whatever other metal they got on there.