KA Timing Issues - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

slideways31 · 02-21-2017, 05:50 PM

Just put a new ka into my s13 to replace one I spun a bearing on. The new motor was in an s14 so it had an s14 distributor. I swapped over the intake manifold and accessories from the s13 motor and put them on the new motor. I pulled out the distributor on the old motor at TDC and put it on the new motor at TDC. After installing the motor and firing it up it runs.

The motor has issues idling, I put a timing light on it and it looks like the timing was pretty far off. I redid the timing with the distributor cap and rotor pointing to #1 cylinder plug. The motor will not even turn on, so I assumed I may have put it on tdc on the wrong stroke, so I switched it and it still would not run. So i put it back to how it was, which when you put a timing light on it, you can not even see the timing marks on the crank pulley.

Any insight into what might be the solution to my issue would be helpful, thanks!

duncan351 · 04-06-2017, 09:45 PM

This sucks but here is a little secret to stabbing the distributor perfectly every time:
Pull the Vavle cover and then put the crank at TDC with cylinder one cam lobs pointing opposite of each other. At this point you need to observe the hash mark on the aluminum housing of the dizzy and the actual indention on the drive wheel that connects to the idler pulley. You want to be able to line those two markings up once you have installed the distributor which you will be able to see from the top with a flashlight. As long as the dot and hash mark are perfectly lined up with the motor at TDC compression stroke. The motor will fire right up every time and you will be able to time your motor perfectly.

ZFair · 07-30-2017, 07:02 PM

Im having same issue just that i changed my exhaust cam out to another new one since the original cams notch that holds the sprocket in place beoje off and the sprockets was rolling loose and my car was idling rough!!! Just need help lining up the sprocket correctly onto the timing chain to get the markings rite and the dizzy too!!

04-06-2017, 09:45 PM	#2
duncan351 Zilvia Member Join Date: May 2003 Location: Lewisville,TX Age: 46 Posts: 155 Trader Rating: (1) Feedback Score: 1 reviews	This sucks but here is a little secret to stabbing the distributor perfectly every time: Pull the Vavle cover and then put the crank at TDC with cylinder one cam lobs pointing opposite of each other. At this point you need to observe the hash mark on the aluminum housing of the dizzy and the actual indention on the drive wheel that connects to the idler pulley. You want to be able to line those two markings up once you have installed the distributor which you will be able to see from the top with a flashlight. As long as the dot and hash mark are perfectly lined up with the motor at TDC compression stroke. The motor will fire right up every time and you will be able to time your motor perfectly. __________________ 842whp KA-T "Anyone can make power but how long can you make it last?"

02-21-2017, 05:50 PM	#1
slideways31 Leaky Injector Join Date: Oct 2013 Location: Rhode Island Posts: 52 Trader Rating: (0) Feedback Score: 0 reviews	KA Timing Issues Just put a new ka into my s13 to replace one I spun a bearing on. The new motor was in an s14 so it had an s14 distributor. I swapped over the intake manifold and accessories from the s13 motor and put them on the new motor. I pulled out the distributor on the old motor at TDC and put it on the new motor at TDC. After installing the motor and firing it up it runs. The motor has issues idling, I put a timing light on it and it looks like the timing was pretty far off. I redid the timing with the distributor cap and rotor pointing to #1 cylinder plug. The motor will not even turn on, so I assumed I may have put it on tdc on the wrong stroke, so I switched it and it still would not run. So i put it back to how it was, which when you put a timing light on it, you can not even see the timing marks on the crank pulley. Any insight into what might be the solution to my issue would be helpful, thanks!

07-30-2017, 07:02 PM	#3
ZFair Leaky Injector Join Date: Feb 2012 Location: Delhi Age: 34 Posts: 66 Trader Rating: (0) Feedback Score: 0 reviews	Im having same issue just that i changed my exhaust cam out to another new one since the original cams notch that holds the sprocket in place beoje off and the sprockets was rolling loose and my car was idling rough!!! Just need help lining up the sprocket correctly onto the timing chain to get the markings rite and the dizzy too!!