newdatsunowner720 Posted August 29, 2014 Author Report Share Posted August 29, 2014 I will have to buy one for sure and I'll upload some more tomorrow guys, this is a long term project for me so sorry if I'm being slow due to steady work at work I just haven't had time to do any updates on my 720 Quote Link to comment
Charlie69 Posted August 29, 2014 Report Share Posted August 29, 2014 Watch the purchase and the shipping prices before buying http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2055119.m570.l1313.TR0.TRC0.H0.X1984+Nissan+Pickup+factory+service+manual&_nkw=1984+Nissan+Pickup+factory+service+manual&_sacat=0 Quote Link to comment
datzenmike Posted August 29, 2014 Report Share Posted August 29, 2014 The FSM is inch and a half thick... that's a lot of pictures and text for a single year of truck. Most other's cover multiple years and models and are at best 1/2" Quote Link to comment
newdatsunowner720 Posted August 29, 2014 Author Report Share Posted August 29, 2014 I bought an 83 model FSM is that okay for my 84 model aren't they basically the same ? Quote Link to comment
datzenmike Posted August 30, 2014 Report Share Posted August 30, 2014 Close enough. Emissions equipment and adjustments are the biggest differences between years. Quote Link to comment
newdatsunowner720 Posted August 30, 2014 Author Report Share Posted August 30, 2014 Here is another pic, the paint on the hood is super faded and there is some rust along the bumper you probably can't see Quote Link to comment
newdatsunowner720 Posted August 30, 2014 Author Report Share Posted August 30, 2014 Quote Link to comment
newdatsunowner720 Posted August 30, 2014 Author Report Share Posted August 30, 2014 Quote Link to comment
newdatsunowner720 Posted August 30, 2014 Author Report Share Posted August 30, 2014 How hard is it to replace the tach? I want the one with rpm if that's possible Quote Link to comment
Justin Berni Posted August 30, 2014 Report Share Posted August 30, 2014 Easy. One wire to power, one to ground, one to the coil, and boom you got yourself a tach.. 1 Quote Link to comment
datzenmike Posted August 30, 2014 Report Share Posted August 30, 2014 How hard is it to replace the tach? I want the one with rpm if that's possible You would have to have one first to replace it. It is an option and probably standard equipment on the ST model. RPMs is all that a tach reads in. Get the factory one, it looks way better than anything after market. Clock is plug and play, you may have to add a fuse in the #8position of the fuse box. Either get the clear plastic cover or drill a hole for the adjustment knob. Yours will have a small dent in the plastic where the hole goes. The tach simply plugs into the dash just like the clock but you need the in line 2.2K ohms dropping resister located in the harness near the coils and the driver's side headlights. If you find an '83 and up 720 with the round tach, check the wire harness as mentioned and get this resistor. Tach won't work without it. The plug for it will be taped up in the same location on your harness ... just plug it in. Quote Link to comment
85"720 Posted August 30, 2014 Report Share Posted August 30, 2014 Was there a tach/clock option for the automatic? Quote Link to comment
newdatsunowner720 Posted August 30, 2014 Author Report Share Posted August 30, 2014 Thank you for the pics, I'm definitely a visual learner lol but can I get a factory tach from eBay maybe ? I'll have to try to see if I can find one on there. I don't of too many junk yards around me that had a lot of yep pickup stuff. I'll have to look in a junkyard tho too Quote Link to comment
newdatsunowner720 Posted August 30, 2014 Author Report Share Posted August 30, 2014 Also is it possible to put in an aftermarket radio in , mine doesn't even turn on Quote Link to comment
Sealik Posted August 30, 2014 Report Share Posted August 30, 2014 Thank you for the pics, I'm definitely a visual learner lol but can I get a factory tach from eBay maybe ? I'll have to try to see if I can find one on there. I don't of too many junk yards around me that had a lot of yep pickup stuff. I'll have to look in a junkyard tho too I have some tachs and clocks available.................pm if interested Quote Link to comment
datzenmike Posted August 30, 2014 Report Share Posted August 30, 2014 Radio shack will have a 2.2K ohm resister for ya. Quote Link to comment
newdatsunowner720 Posted August 30, 2014 Author Report Share Posted August 30, 2014 Thanks again mike, if i have any more question ill be posting them right on this thread im sure , plus update pics in the future. Once again guys thanks for all the help. Quote Link to comment
Charlie69 Posted August 30, 2014 Report Share Posted August 30, 2014 In all the 84 to 86 720 wiring harnesses I have worked with over the years they all have had the tach resistor in place and if the model did not have the tach from the factory the wires were taped up in the cluster harness. Install one of Sealick's tachs and plug in should work fine. If tach does not work then the resistor is missing. Quote Link to comment
EvangelicLake60 Posted August 30, 2014 Report Share Posted August 30, 2014 Pick n pull should be fine for that haha. I just pull the lower radiator house to drain coolent. Re torque your head bolts, z24's, which I think is what you have if you've got a 84, are known for blowing head gaskets every 100,000 miles. I'll wait for someone smarter than me to give you good instructions on how to do that tho. I have a 84, i'm pushing 515k miles on the original engine, i have only put one head gasket in it. Everything else accept for reverse gear and maybe a fuel pump and a speedo cable is all original. I drive it hard, and it goes like a bat outa hell. 1 Quote Link to comment
datzenmike Posted August 30, 2014 Report Share Posted August 30, 2014 Just curious at what mileage did the gasket blow? The re-torque suggested in the FSM is easy to do and easier than a blown gasket fix. Quote Link to comment
newdatsunowner720 Posted August 31, 2014 Author Report Share Posted August 31, 2014 What does it mean when my truck backfires? It does it frequently when I'm hard on the throttle and let off. Sorry guys I'm a young buck and have no mechanic experience lol Quote Link to comment
datzenmike Posted August 31, 2014 Report Share Posted August 31, 2014 Out the exhaust? Believe it or not... there is an anti backfire valve on the 720. It uses a vacuum signal to open a valve and let air into the intake to lean it out when decelerating. Normally the super high vacuum sucks more fuel in than can be burned and it pops (plus it pollutes which is the main reason for it) Quote Link to comment
newdatsunowner720 Posted September 1, 2014 Author Report Share Posted September 1, 2014 Yeah it's out the exhaust and it's not all the time either Quote Link to comment
that-son Posted September 2, 2014 Report Share Posted September 2, 2014 at what rpm's does it backfire? all my backfiring issues went away when i plugged all the vacuum leaks, installed the ab valve, adjusted the timing, idle speed and air/fuel ratio. when i did all that, the engine came to life. i mean... i've never heard it roar like that. then this cloud of smoke blew out the exhaust and i remember thinking oh no... what did i break now? but i drove it around the block and it cleared right up. rockauto lists the ab valve as a diverter valve. here are the oem and aftermarket part number for it. http://www.yoyopart.com/oem/6478372/nissan-14835u6701.html Quote Link to comment
newdatsunowner720 Posted September 2, 2014 Author Report Share Posted September 2, 2014 I haven't checked but I'll give her a spin today to check. Quote Link to comment
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