Will ULSD effect our trucks?

SD diesels were widely available in the US in the 1981-86 Datsun/Nissan 720 pickups, and in Canada through '87 in the D21 pickup.

Moderators: plenzen, Nissan_Ranger

Post Reply
oak4000
Posts: 13
Joined: 18 years ago
Location: eugene, or

Will ULSD effect our trucks?

#1

Post by oak4000 »

Will the ultra low sulfur diesel that is coming out in like the next 12 months or so (or so i believe) have an effect on our trucks?
lacolocho
Posts: 44
Joined: 19 years ago
Location: Portland, OR

already out

#2

Post by lacolocho »

ULSD is already out here in Oregon. It came out in June, or July, I believe.

Most people I've heard from are recommending adding a lubricant to your fuel.

A lot of folks think that the ULSD is causing injection pump leaks due to seals drying up and cracking. This has been common with a lot of the 1.6L VW IPs.

There's a lot of other effects I've heard they think the loss of lubrication might cause, but I can't recall them at the moment (I run on biodiesel or a bio/petro blend usually, so I don't worry much about ULSD)
User avatar
asavage
Site Admin
Posts: 5452
Joined: 19 years ago
Location: Oak Harbor, Wash.
Has thanked: 2 times
Been thanked: 3 times
Contact:

Re: will ulsd effect our trucks?

#3

Post by asavage »

oak4000 wrote:will the ultra low sulfar diesel . . . have an effect on our trucks?
ULSD (<15ppm sulfur) shouldn't affect the inline IPs (as used on the SD22). It will affect the VE-style distributor IPs on the Maxima's LD28. As little as 2% biodiesel added to petrodiesel offers quadruple the lubricity of the old LSD (<500ppm sulfur, since circa 1990).

Use biodiesel, it's good. Even low additive concentrations are good (but read the "crackling" thread). But I mean biodiesel in the sense of fuel that meets ASTM specification D-6751, not homebrew or SVO/WVO.
Regards,
Al S.

1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
moose60
Posts: 168
Joined: 19 years ago
Location: Seattle WA

#4

Post by moose60 »

Oak-
Go with the biodiesel recommendation, it's good on several levels. There are many studies to support the lubricity claims. Also most tailpipe pollutants a re dramaticly reduced (in proportion to the amount of bio used) and the oil for biodiesel comes from the US.

Al-
Tested homebrew biodiesel can meet ASTM specs. The brewer just has to care. And pay for some testing (and probably use some more catalyst). I'm totaly with ya' on the SVO.
Byron

82 Datsun 720 KC SD22

MPG Machine
User avatar
asavage
Site Admin
Posts: 5452
Joined: 19 years ago
Location: Oak Harbor, Wash.
Has thanked: 2 times
Been thanked: 3 times
Contact:

#5

Post by asavage »

moose60 wrote: Tested homebrew biodiesel can meet ASTM specs. The brewer just has to care.
While this is certainly true, for someone who does not know the issues, the term "biodiesel" might mean anything. A recent article in our local paper actually stated that biodiesel is a "mixture of vegetable oil and alcohol". :shock: OMG Yeah, I emailed the reporter as soon as I read it (no response).

Therefore, rather than writing a couple of paragraphs on BD and what it is and what it isn't, every time the subject comes up new, I just qualify "biodiesel" as being a fuel that meets ASTM D-6751, and leave it at that. On-spec fuel can and is being made at home, but the homebrew movement has sent more old diesels to the JY prematurely than lack of maintenance for the past 20 yrs ever did, IMO.
Regards,
Al S.

1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
moose60
Posts: 168
Joined: 19 years ago
Location: Seattle WA

#6

Post by moose60 »

Al-
Regarding the article in your local paper: Grrrr. That lack of attention to getting basic facts correct is really frustrating. The non-response of the reporter just tops it off. Not only ignorant, but unwilling to learn.

About hombrewers sending vehicles to the JY, I sure there are some.. IMO the cheapskate-SVO types (It's practically free to run on SVO!!!) are sending good motors to low-compression land.

I'm not trying to start anything here, just an opinion(with no hard facts to back it up). I think that your decision to simplify the differences between bioD/veg oil/blend/mystery-goo makes good sense.
Byron

82 Datsun 720 KC SD22

MPG Machine
User avatar
philip
Deceased
Posts: 1494
Joined: 19 years ago
Location: Southern California, USA

Re: will ulsd effect our trucks?

#7

Post by philip »

oak4000 wrote:Will the ultra low sulfur diesel that is coming out in like the next 12 months or so (or so i believe) have an effect on our trucks?
Already at the pump near you as of Sept in California. The price of diesel also jumped about 20 cents.

Three articles on the subject that you might find useful.

ULSD article 1
ULSD article 2
ULSD article 3

I echo Al's response. As a feel-good preventative, I do enrich with the Stanadyne lubricity additive.
-Philip
Passed 08May2008
My friend, you are missed . . .

1982 Datsun 720KC SD-22

"Im slow and I'm ahead of you"
User avatar
ecomike
Posts: 242
Joined: 19 years ago
Location: Houston Tx

#8

Post by ecomike »

Well my SD22 got its first known (labeled) taste of 15 ppm sulfur, ULSD this week.

In the past the label on the pumps always showed 500 ppm sulfur here in Houston, Tx.

I added an extra dose of my usual PowerService (Diesel Fuel Supplement + Cetane Boost With SlickDiesel) additive. Should be interesting to see how it runs on this batch, if the transmission holds up long enough to use it that is.

The first 50 miles it pured like a kitten (at least as close as an SD22 can purrr that is).
Regards,

Mike

1985 Jeep Cherokee Pioneer, 2WD, retrofitted with SD-22 & 5 spd manual trans, a 4X4 Gas Wagoneer ltd. (XJ) Jeep, 4.0 L w/ AW4 auto, and now 2 spare 2wd Jeeps, 87 & 89.
REDNECK
Posts: 51
Joined: 18 years ago
Location: Alberta, Canada

#9

Post by REDNECK »

I have been subjected to ulsd since about aug......I have been looking for issue's and have found none so far, ......other than cost.

I also add stanadine, for the ability too sleep at night though.....
87 D21,SD25.
may she NEVER stop smokin!
User avatar
ecomike
Posts: 242
Joined: 19 years ago
Location: Houston Tx

#10

Post by ecomike »

Been running nothing but ULSD with a double dose of Power Service Diesel Kleen + Cetane Boost since March this year (about 7,000 miles), and I have no complaints, in fact I think it likes the stuff and the combo (additive) as it seems to be running smoother, and a bit peppier.

I noticed that the NEW bottle I just bought lists it as an ULSD formula!
Regards,

Mike

1985 Jeep Cherokee Pioneer, 2WD, retrofitted with SD-22 & 5 spd manual trans, a 4X4 Gas Wagoneer ltd. (XJ) Jeep, 4.0 L w/ AW4 auto, and now 2 spare 2wd Jeeps, 87 & 89.
Post Reply

Who is online

Users browsing this forum: No registered users and 1 guest