"Just make sure it's for a Z24 and has 89mm bore holes. Less and the fire rings will be exposed to the hot combustion gasses and will erode or glow hot and become a pre ignition source. Nissan gaskets are easily 3X what NAPA sells them for.…"
Little Trucks, Big World
datzenmike's Discussions
720 GVW
Started this discussion. Last reply by Dwayne Oxford Jan 4. 5 Replies 0 Likes
Jump Start
Started this discussion. Last reply by channing Jan 16, 2017. 9 Replies 0 Likes
Has Tommy Finished Blowing his Fuse?
Started this discussion. Last reply by TigerRacing Mar 31, 2015. 10 Replies 0 Likes
is the Engine Problems forum working?
Started this discussion. Last reply by datzenmike Feb 28, 2015. 4 Replies 0 Likes
Fuel feed vs. fuel return lines.
Started this discussion. Last reply by TigerRacing Feb 17, 2015. 4 Replies 0 Likes
Merry X-mass Guys
Started this discussion. Last reply by Patrick Smith Dec 19, 2014. 3 Replies 0 Likes
Rear Window Compatibility
Started this discussion. Last reply by datzenmike Oct 31, 2014. 14 Replies 0 Likes
Spark Timing Control
Started this discussion. Last reply by Joe Wilson Mar 10, 2014. 13 Replies 0 Likes
Z20
Started this discussion. Last reply by datzenmike Dec 29, 2013. 27 Replies 0 Likes
Lift
Started this discussion. Last reply by Steve g Oct 27, 2013. 3 Replies 0 Likes
datzenmike's Page
Latest Activity
datzenmike replied to Marc B.'s discussion Blown head gasket.... WHICH gasket to buy as replacement?datzenmike replied to Marc B.'s discussion Blown head gasket.... WHICH gasket to buy as replacement?"If the head is warped top to bottom then the cam is already binding. Can't see shaving it causing a bind.Just remove the rockers and spin the cam. (don't do this on the engine) If it turns easily by hand then cam towers are not…"
datzenmike replied to Tommy Perkins's discussion Burnt 20 amp blower motor wire in fuse box."This was caused likely by light corrosion and the resistance to current flow heated it up and melted the plastic. I've had this happen Tommy on my headlight fuse and the heat takes the temper out of the part that grips the fuse contacts. Then…"
datzenmike replied to Marc B.'s discussion Blown head gasket.... WHICH gasket to buy as replacement?"I'm in the middle of putting a earlier L head on my Z24 engine. A straight edge showed 0.015" gap where less than 1/3 of that is allowed. I have a sheet of glass form a stereo cabinet and glued 80 grit sand paper onto it. Pushed and pulled…"
datzenmike replied to Tommy Perkins's discussion Heater core."Make sure you run a quality antifreeze/coolant and if using that long life crap change it on time."
datzenmike replied to Dattsun Al's discussion Type of FS5W71C transmission, length, confirmation"A '95 KA24E engine will have a transmission that will bolt up to the 720's Z series engine. So yes it will fit, however the length is somewhere around 30" so not a good match. You may have to lengthen your primary driveshaft.
Keep…"
datzenmike replied to Tommy Perkins's discussion Ignition relay."YES, it's essential that the body be thoroughly grounded. The ground is normally to the intake but engine and drive train are rubber insulated for vibration and won't connect well. That bolt under the battery try is a good point to…"
datzenmike replied to Tommy Perkins's discussion Ignition relay."The relay has battery on one side and alternator charge on the other. If the alternator can't keep up properly, current flows from battery to alternator and the relay clicks on... only to cick off and on off and so on. The alternator may test…"
Profile Information
- How many 720's or other Nissan trucks do you own? What years and types?
- I own a 620... but it has enough 720 parts in it to make one. I guess I'm a closet 720 owner really.
- What modifications have you done to your truck(s)
- '78 620 KC cab on modified '82 2wd long wheelbase frame with '80 transfer case added. 4.11 differential at moment, with modified yoke to fit the larger Z24 drive shaft. Spring mounts relocated to top of axle and Ford F-150 rear leaves used. Reg cab long wheelbase 14 Imperial gallon gas tank. FS5W71B 5spd from an '80 200sx car. '88 D21 Hardbody motor with '84 intake and carb, at moment. '81 200sx rad with Volvo electric pusher fan. Larger gear reduction starter from an '84 Maxima L24E motor. SAS from an early '80s 'Yoda with 4 piston calipers and Ford F-150 rear springs used. Cross steering from a Hardbody power steering box. 90 amp alternator from an '88 Plymouth K car. Wire harness from an '85 720 4X4 to make everything work. The only original thing left is the short 620 harness between the two tail lights. The cab was replaced years ago after it was stolen and rolled, so even it isn't the original. Electric windows from an '80 200sx car. 720 dash and steering column from an '85 4X4 with optional tach and clock, 720 4X4 consul with oil and volt gages, 720 heater, bucket seats from a Chrysler Daytona Turbo, steering wheel from a 280zx car, 720 carpet. Chevy 6 bolt rims with 33X12.5 tires.
To do list: Finish the custom front drive shaft. Body work. Finish my 620 long to short box conversion (have flat bed now) Get everything running well and swap ported and polished Z24 head with '80-'81 200sx intake and KA EFI onto existing Z24 motor.
Comment Wall (34 comments)
- At 9:30pm on February 20, 2015,
John Hartley said… Mike, I'm a newbie to this site, just joined 'cause I'm starting a 620 long bed body swap onto my 82 720 KC 4x4 chassis. I saw several threads on this (mostly with lots of comments from you) and was hoping you might direct me to the best threads where I could pick up the most information. I appreciate any help you'd throw my way.
- At 9:04pm on January 28, 2012,
TigerRacing said… Hey Mike, would like to get your opinion on this one
http://720world.com/profiles/blogs/nissan-oil-filters-made-for-the-z24?xg_source=activity
Thx!
- At 8:21pm on July 31, 2011,
Dwayne Oxford said… - Got the email Corey sent out. Just wanted to say THANKYE THANKYE for your great help on the site. God bless. Dwayne.
- At 12:15am on July 25, 2011,
Patrick Smith said… - Congratulations on being distinguished member of the month. With that honor comes great responsibility and a $3 gift certificate to Canadian Tire.
- At 8:25pm on July 16, 2010,
steve fisher said… - my email is sfisher3347@comcast.net....
just got my mustnag II ifs tubular control arms upper and lower bags , crossmember, steering rack, 12" disk breaks in the other day soo after carlise it's time to get this thing laid out.. also got a dana rear end donated so thats getting shortened and put in there
- At 11:49pm on July 3, 2010,
Dean Bailey said… - Once again your right - a more efficent complete burn - one step closer to 100 percent volumetric efficiency!!
- At 9:59pm on July 3, 2010, Dean Bailey said…
- Ya know your absolutely right and I never thought about it like that. I was looking at it like one was a retarded spark just to reduce emisions before they exhusted. Thanks again for the input - saved me a lot of time going nowhere with that one!!!
- At 3:16pm on July 3, 2010, Dean Bailey said…
- That's what I also figured Mike. I wish I could use this thing in my 81 but it's just too different to try and retrofit it in there. Say have you ever heard of anyone trying to eliminate the emission spark side of the Z motors? I'm right in the right spot on my motor to do it if I could find someone who could tell me if it works or not. Otherwise I'd just as soon put it back stock. Thanks for all your info!!
- At 3:12am on July 3, 2010, Dean Bailey said…
- Yea Mike, My question about the rad. is that I aquired an almost new rad. from a guy who had some 79's and 80's 720's with the L20b motors and this rad wont fit my 81 - it's too small and the water outlet is on the wrong side. I was just wanting to try and identify it to know what all year trucks it would fit?
- At 9:28am on May 26, 2010,
joey said… - hey mikey mike... need to pick your brain again!!! lol, anyway... my truck just started running weird!!!... when im in bout 3rd or 4th gear and im at low idle... i noticed when i press the gas more at low idle.. black smoke comes out of the exhaust!!!... also, for some reason, cant get an idle in cold mornings no more. and when im warmed up... my rpm needle is jumping around... wtf???? n e way, its a z24 lower and a z22 head. im thinking that my piston rings are shot and my compression is crapping out. i dont have time for a compression test right now so, what are your inputs and how can i approach this for the time being?... oh yeah, wen i floor it everytime i get in the high rpms on a low gear, i shoot out black smoke. do you think it may be my fuel pump perhaps?. soory to cry to you lol.
thanks mike!
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