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Are You Ready? 720 KC build


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#1 reelmagic

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Posted 19 March 2017 - 08:31 PM

So I picked up my first 720 about a month ago.  Back in the old school mini truckin' days I had a standard cab '89 Mazda B2200 and my brother had an '85 Nissan 720 standard cab.  I always liked his truck.  This one is an '85 King Cab white with blue interior (which happens to be the same color scheme my brother had).  Of course back then we rolled lowered with tilt beds on 14" & 15" rims - good times. 

 

This truck has 90,000 miles and is in pretty solid shape.  The interior is in good condition and the body is solid.  The only rust anywhere is a couple small bubbles at the bottom of the drivers door - and I mean small.  It has its share of 32 years of dings and dents. I've already picked up a couple parts for it, including a set of 17" Titan rims.

 

Plan for the truck is a slow build as time and money permits.  I plan to get any bugs taken care of first  and then get the truck sitting as I want it to (static dropped on spindles).  I have a vision but its going to be a plan as we go type of build.  Once I get it the way I want it, I will probably tear it all down and make it show ready...or maybe not...not real sure yet.

 

Some problems I already resolved:

 

When I first bought it I could barely drive it for any length of time - it had a terrible smell and fumes in the cab.  I thought from the beginning it might be a clogged cat.  I took it to an old school muffler guy here in town and he listened with a stethoscope for an exhaust leak, but could't find one.  He wasn't sure my cat was clogged but I had him cut it off put in a straight pipe and YES the problem is gone!!

 

The washer pump wasn't working.  I picked another one up from a guy who was parting another 720 and problem is resolved.

 

The issues I want to take care of shortly:

 

      1. The blinkers work sporadically.  One day they work perfect, the next maybe not at all.  It seems like if I play with the wheel and the switch they will come back on.  Maybe a ground issue inside the steering column?

      2.  It runs real good - except it seems at times that the idle is a little high.  Because of this sometimes it diesels when shutting it off.  I'm thinking I need to check the linkage first?

      3.  I'm not sure whats going on with the clutch.  At first I thought the clutch was bad.  It felt real soft.  But the more I drive it, the more I think it's getting better (if thats possible).  It still will not spin the tires when dropping the clutch, so maybe it is bad, or maybe its just not fully engaging?

      4. I've got a bit of a shake in the steering wheel - most items under the front look good - except the ball joint have grease leaking out of them.  I'm thinking thats my issue.  I will probably wait to address this when I lower the truck.

 

Once these things are buttoned up then I'll start making it MY truck.  Here are some pictures:

 

IMG_3584_zpsqhocw1xc.jpg

 

 

 

IMG_3656_zpsenrswt8s.jpgIMG_3651_zpsanqnxbdq.jpgIMG_3647_zpsgwn53nd7.jpg

 



#2 Crytek89

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Posted 23 March 2017 - 08:14 PM

Holy cow that is a clean looking 720!

Really nice find, can't wait to see the progress on your truck!



#3 720inOlyWa

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Posted 24 March 2017 - 07:11 PM

A/C, but no power steering. Is that what I see in the pic? Looks straight and solid to me. Nice find. The thing I appreciate most about rehabbing this model and this brand is that it is still feasible to find clean and reasonably priced examples that just need a little TLC and a few bucks to bring you a good return, in terms of service.

 

Nice seats!



#4 Draker

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Posted 24 March 2017 - 08:25 PM

Very clean! wow.


View my 69 510 4dr Sedan - Build Thread
View my 71 510 2dr Sedan - Coming soon.

http://drakers.pl510.info

 

 


#5 datzenmike

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Posted 24 March 2017 - 08:30 PM

The issues I want to take care of shortly:
 
      1. The blinkers work sporadically.  One day they work perfect, the next maybe not at all.  It seems like if I play with the wheel and the switch they will come back on.  Maybe a ground issue inside the steering column?
      2.  It runs real good - except it seems at times that the idle is a little high.  Because of this sometimes it diesels when shutting it off.  I'm thinking I need to check the linkage first?
      3.  I'm not sure whats going on with the clutch.  At first I thought the clutch was bad.  It felt real soft.  But the more I drive it, the more I think it's getting better (if thats possible).  It still will not spin the tires when dropping the clutch, so maybe it is bad, or maybe its just not fully engaging?
      4. I've got a bit of a shake in the steering wheel - most items under the front look good - except the ball joint have grease leaking out of them.  I'm thinking thats my issue.  I will probably wait to address this when I lower the truck.
 
Once these things are buttoned up then I'll start making it MY truck.  Here are some pictures:

1/ There's no ground inside the column for the lights. Power goes to the signal bulbs then to ground to turn them on. Could be worn or need cleaning the dust and dirt out. Maybe remove and flush with electrical contact cleaner.

 

2/ Check if the choke is shutting off when fully warmed up next time the idle is high. Choke heater may not be working or the relay that feeds power to the choke heater. One of the inputs to the choke heater relay is a charging alternator. You may have noticed a buzzing sound over to the right of the glove box. That's the relay trying to work.

 

3/ As long as when driving the engine does not rev up when climbing hills it's not slipping and good enough for now.

 

4/ Grease leaking out means little. When grease is pumped in some leaks out. The mechanic just didn't clean up. A shake can be tire out of balance or damaged. Swap fronts to back and see. If the wheel is turning back and forth it could be bad alignment or just the combined wear in all the steering components. Raise both front wheels and have someone rock the wheel back and forth through the 'loose' area while you look at everything. The worst offenders is the idler arm but watch for any movement that is not transmitted through any ball joint. Movement in but no movement out. Improper wheel bearing pre load and steering box wear are others, even loose lug nuts.


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