Little Trucks, Big World

Glenn Schoettlin
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  • Chandler, IN
  • United States
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Glenn Schoettlin's Discussions

Low Oil Pressure how to fix?

Started this discussion. Last reply by datzenmike Sep 13, 2014. 16 Replies

I have about 213,000 miles on my 86 Nissian 720 PU truck.  I noticed after my last oil change they used 10w30 weight oil and the oil gage is reading lower than before.  Before I had 10w 40 in the…Continue

Let's talk about SEAFOAM

Started this discussion. Last reply by dn-SD22-kc with ac Dec 31, 2013. 4 Replies

What is your felling about using Seafoam in the gas or oil of a Nissan 720 truck?I think I read where someone said that it can create some havoc with the engine when the carbon breaks up and gets in…Continue

Nissan 720 1985/86 Model, Z2.4 engine, 2 bbl hitachi carb, 2 wheel drive, 5 speed manual Pick Up long bed truck

Started this discussion. Last reply by Glenn Schoettlin Dec 4, 2013. 3 Replies

I posted this in the wrong forum (General Form) accidently and am redoing this into the Engine Problem Forum.  Sorry  I recently found out that I have too much gas in the sight window on my hitachi…Continue

Too much gas in the float Sight Window 85 Nissan 720 2.4 liter 2 barrel carb manual 2 wheel drive truck

Started this discussion. Last reply by Tommy Perkins Dec 17, 2013. 14 Replies

I recently found out that I have too much gas in the sight window on my hitachi carburetor.  I also have wet and dirty spark plugs on the exhaust side.  The truck bogs down and hesitates when I give…Continue


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Profile Information

What is your profession? (not required, just if you want to share your knowledge)
About Me:
Retired and like to fish a lot. Also like to learn about computers and photography
How many 720's or other Nissan trucks do you own? What years and types?
I only own one right now. But my dad had a 1972 datson pickup truck before I purchased my Nissan 720d in 1985
What modifications have you done to your truck(s)
Nothing other than trying to keep it running. LOL
What modifications do you still plan to do to your truck(s)
I may need to rebuilt the carburator someday in the future.
How many miles would you travel to attend an all 720 truck meet?

Comment Wall (9 comments)

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At 6:27pm on February 18, 2012, Tommy Perkins said…
At 6:20pm on February 18, 2012, Tommy Perkins said…
At 7:39am on January 2, 2012, Tim Satterfield said…

I got my truck repaired.  It was the starter solenoid.  Thanks for your help.

At 11:20am on August 3, 2011, Tim Satterfield said…

Thanks for these suggestions, Glenn.  I'll give them a try.

Mine is a Sport Truck with tach and 5-speed, too. 

At 3:15am on August 3, 2011, Tim Satterfield said…
My 1985 720 pickup with a z24 engine will seldom start when it is warm with the ignition switch.  It will spin over very well but will not start.  I can push it and it starts immediately.  It seems as if the starter is taking too much fire for some other components to allow the engine to run.
I repeat, it spins over very well but it is as if there is no fuel or spark while the starter is engaged. 
By the way, there is no smell of gas that indicates it is flooded.
At 1:00pm on May 11, 2011, TigerRacing said…
You can personal message me here on 720World rather than using the profile comment section, or feel free to email me directly at coreyamundson@hotmail.com. I'm away from home 12+ hours a day which limits my time to respond, but I check my email throughout the day so that's probably the best way to get a quicker response.
At 9:52pm on May 8, 2011, TigerRacing said…
At 9:45pm on May 8, 2011, TigerRacing said…

Well I can't believe a Nissan dealer could identify the carb, it seems the newer newer technicians don't know much about older technology, if it doesn't have a computer to tell them what's wrong, they don't know what to fix lol.


But it is a Hitachi carb, and there are some common problems with the 85-86 models being they are electronic feedback carbs.  It sounds to me like you might have a wiring problem on the carb, I've had the exact same symptoms before and it was a broken wire on the carb wiring harness, right next to the plug.  Sometimes the wire break internally, and it looks fine from the outside, but the wires stretch and break inside the insulation.  There is a Hitachi Carb 101 section here, and the carb featured in it is the same carb you should have on your truck.  I'll try to find the exact spot and place a link here for you.  There is an anti-dieseling solenoid in the carb, and if it isn't energized it will cut off fuel as if you were shutting down the engine.  So, if the wire is broken or the connector is corroded or not making contact you'll have a hard time starting and keeping the engine running.  You also need to make sure the carb is grounded, since it's an electronic carb, it needs ground to complete some of the circuits in the carb.


Do you know if you have the original fuel pump still installed?  If so, there is also a filter screen in the bottom of the pump that can get clogged up.  It's under the cap on the bottom of the pump, it kind of a bayonet style attachment, but there should be a raised hex head on it so you can get on it with a wrench or socket.  Just be sure to soak it with some penetrating oil for a while if it hasn' t been of in a long time.


So do you have fuel showing in the sight window on the carb when it's having problems starting?


At 11:13am on May 7, 2011, TigerRacing said…
Welcome to 720World! What science did you specialize in?  We seem to have some common interests, glad to have you here!  How's the fishing in IN?

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