"I drove my 710 last winter for the first time. Nothing like winter driving to show up problems. Carb icing for one. Installed the 'stove pipe' and all good. The hesitation when taking off bot gad enough to backfire and blow up the…"
Little Trucks, Big World
A gathering place for lovers of the Datsun and Nissan 720 series pickup trucks.
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Seem to be using some oil lately...
Started by Dattsun Al in General Forum. Last reply by datzenmike 3 hours ago. 7 Replies 0 Likes
very little throttle response
Started by david cottrell in General Forum. Last reply by david cottrell on Friday. 5 Replies 1 Like
1984 4x4 rear U-bolts...
Started by mattsavage in General Forum. Last reply by Tommy Perkins Sep 9. 1 Reply 0 Likes
Fuel pump regulator
Started by rickygee in Engine Problems. Last reply by Tommy Perkins Sep 7. 11 Replies 1 Like
Polyurethane bushings
Started by Tommy Perkins in General Forum. Last reply by Tommy Perkins Sep 5. 4 Replies 1 Like
Distributor Wiring.
Started by Noah Geist in Engine Problems. Last reply by datzenmike Sep 3. 4 Replies 1 Like
2017 RockAuto XOR Adventure Sweepstakes!
Started by RockAuto in General Forum Aug 29. 0 Replies 0 Likes
85 nissan 720 4x4 king cab for sale
Started by Tommy Perkins in General Forum Aug 28. 0 Replies 0 Likes
Bad clutch master cylinder
Started by Tommy Perkins in General Forum. Last reply by Tommy Perkins Aug 27. 2 Replies 0 Likes
Nismo Cam
Started by nick soctt in Z Engine Modifications Aug 26. 0 Replies 0 Likes
About 720World
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720WORLD is a spinoff of the popular MSN User Group, Nissan/Datsun 720 Pickup Owners (nissandatsun720pickupowners@groups.msn.com) which was founded by Patrick Smith many moons ago...
The mission of 720World is to provide a central place for Datsun and Nissan 720 owners from around the world to gather, share information, and help one another.
While we are primarily focused on the 720 series here, we welcome owners of any Datsun or Nissan truck to participate! We all share a common lineage and pride. So whether you have a D21, Patrol, 620, Ute, or just a Nissan engine in your truck, join in and share.
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Dattsun Al replied to Dattsun Al's discussion Seem to be using some oil lately..."I checked the air filter box, in the front, near the small white pad, that filters the oil mist, there was some motor oil present there, a couple of teaspoons worth. The weather is changing up here, I've noticed a slight drop in my mpg, like…"
Dattsun Al replied to Dattsun Al's discussion Seem to be using some oil lately..."Thanks Mike, you explain it well. I remember having that load and being in traffic. Knowing about the weak countershaft bearing I'd opted to use 4th gear for part of the trip, in some hilly areas. That's where the RPMs were a bit high, say…"
datzenmike replied to Dattsun Al's discussion Seem to be using some oil lately..."Not really the safety I was concerned with but the extra revs will produce more blow by. If it is excessive the fine oil fog in the crankcase has less time to settle out and can be pushed out and carried along the valve cover hose into the…"
channing replied to Dattsun Al's discussion Seem to be using some oil lately..."Mike makes a good point. For the younguns out there these vehicles were sold when 55 stay alive was the motto and highway speed limit. 70 to 75 was for the rebels without a cause. With a modern drive train and brakes they can keep up with traffic…"
datzenmike replied to Dattsun Al's discussion Seem to be using some oil lately..."Exhaust would have nothing to do with oil consumption.
If you are running synthetic oil, the next change stop using it. First, you don't need it. Older engines just can't handle how slippery it is and it will leak past old seals and…"
david cottrell replied to david cottrell's discussion very little throttle response"will have to get gage and check cyls was running good then just went downhill over a few days"
channing replied to Dattsun Al's discussion Seem to be using some oil lately..."Check the oil at a similar interval, like one hour after shutting down. Checking oil at a gas station then shutting overnight then checking the oil will drive you nuts. Once you have consumption established and throw some cardboard under the truck…"
Tommy Perkins replied to david cottrell's discussion very little throttle response"My Cat was partially clogged up,was making noise at exhaust 3 and 4 cylinder,both plugs were toasted,the head gasket was blown between cylinder 3 and 4.But I didn't lose power,took it to Jack,he's the one that installed the Jasper…"
Dattsun Al replied to david cottrell's discussion very little throttle response"Is it possible that the CAT is plugged up?"
Dattsun Al posted a discussionSeem to be using some oil lately...
Lately I've noticed that now and then I have to add some oil to my once new engine. It now has about 40K miles. I traveled from Montreal to Carberry Manitoba with about 1000 lbs of payload. Got a new job out here so I had to lug the toolbox, tools, ect, ect. It was approximately 1500 miles, at usually 60-65, sometimes, 70-75 mph. I kept an eye on the oil, was holding good, then suddenly, I was down a liter/quart. I should mention, there's no CAT in my exhaust system, so there's only a new…See More
datzenmike replied to david cottrell's discussion very little throttle response"1/ Head gasket blown between two cylinders. By no means definitive, if you find two adjacent cylinders low this could be the cause.
2/ Valve lash is too tight. Intake most likely."
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