Timing

1980-1986 Datsun 720 forums. All 720-specific topics and discussion can be found here.
dogred
Posts: 205
Joined: Sat May 16, 2009 10:15 pm
Car: 1983 D720

Re: Timing (85Nissan720)

Postby dogred » Fri Jan 02, 2009 8:16 am

Unless you have the California model, I beleive that is correct. I will have to take some time and read my FSM.


85Nissan720
Posts: 9
Joined: Tue Sep 22, 2009 9:06 pm

Timing

Postby 85Nissan720 » Tue Sep 22, 2009 9:18 pm

hello all i'm new here my dad pass away and i got the truck the motor was blow up in it so i put another motor in it and it acts like the timing is out when i put the motor in the truck i had to change the distuber in it cause the wires was diff on it than the one that was in it and you know that the dist on the these trucks comes in 2 halfs when you pull the dist out the gear part stays in and the top half comes out here is my question since i change the top half of the dist did i knock it out of time and if not what could it be its runnin rough it idles real high and backfires a little whn you give it gas and no matter how much you turn the dist or adjust the carb it still does the samething any help would be very nice i want to get it back running right since it was my dad's thank you

flinterman2000
Posts: 1011
Joined: Mon May 04, 2009 5:32 pm
Car: 2000 Nissan Wingroad, 85 Datsun 720 Pick Up.

Re: Timing (85Nissan720)

Postby flinterman2000 » Wed Sep 23, 2009 2:58 pm

what kind of engine is it. does it say Z on the valve cover. if not check the right side of the engine to see to engine number. let us know so we can help.

85Nissan720
Posts: 9
Joined: Tue Sep 22, 2009 9:06 pm

Re: Timing (flinterman2000)

Postby 85Nissan720 » Wed Sep 23, 2009 4:11 pm

sorry its the Z24 motor

dogred
Posts: 205
Joined: Sat May 16, 2009 10:15 pm
Car: 1983 D720

Re: Timing (85Nissan720)

Postby dogred » Wed Sep 23, 2009 7:51 pm

When you removed the distributor, did you loosen up the block that mates up to the engine block. I removed my ditributor and put it back in with the block tight, it would only go in 180 out. I loosened up the block and reinstalled the ditributor 180 from what I had it and it ran fine. If you try this make some marks so you will know it's position.

85Nissan720
Posts: 9
Joined: Tue Sep 22, 2009 9:06 pm

Re: Timing (dogred)

Postby 85Nissan720 » Thu Sep 24, 2009 8:41 am

no i didnt loosen the block all i did use loosen the dist top half and put the new one in

dogred
Posts: 205
Joined: Sat May 16, 2009 10:15 pm
Car: 1983 D720

Re: Timing (85Nissan720)

Postby dogred » Thu Sep 24, 2009 10:11 am

Go out to your truck, mark the posistion of the distributor where it sits now, so you can realign if what I tell you does not help. Now remove the upper half of the distributor. Loosen up the bolts on the block and reinstall the distributor top half, it should now be 180 degress from where it was before. Tighten it all back up and test.

85Nissan720
Posts: 9
Joined: Tue Sep 22, 2009 9:06 pm

Re: Timing (dogred)

Postby 85Nissan720 » Sun Sep 27, 2009 8:26 pm

thanks dogred next question the timing light goes on the intake number 1 spark plug right i dont know anything about these motors

dogred
Posts: 205
Joined: Sat May 16, 2009 10:15 pm
Car: 1983 D720

Re: Timing (85Nissan720)

Postby dogred » Wed Sep 30, 2009 10:46 am

Timing light hooks up to the exhaust side, I believe.

85Nissan720
Posts: 9
Joined: Tue Sep 22, 2009 9:06 pm

Re: Timing (dogred)

Postby 85Nissan720 » Thu Oct 01, 2009 9:10 pm

ok lets see if i have this right hook the timing light up to the number 1 on the exhaust side and unhook the vac line turn the distributor until the timing is on its mark then tighten up the distributor and hook the vac line up and she should be in time right?


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