How To Set Timing the right way. - Nissan 240SX Forums
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#1 Old 04-25-2005, 02:57 PM
 
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How To Set Timing the right way.

I couldnt find it on here I found it on phase2motortrends site but no pictures. So I thought I would share.

How to set your timing to 15*

1. Remove coils and valve cover.

2. Set motor to TDC its the second tic from the left and your 1st cylinder cam lobes will be facing away from each other.

3. Remove the cas. You will see two dots on the gear and a mark on the shaft. (see picture)

4. Line up the dot on the right with the mark on the shaft.

5. push the cas all the way in. When you press it in the gear will rotate and the mark on the shaft should line up with the dot on the left now. It might be a little bit off rotate the cas to line up the mark with the left dot.

6. Tighten up the cas and recheck the marks line up. Your cas should be aligned to 15* now.
7. Put the valve cover and coilpacks back in.

Again this information was taken from the www.phase2motortrend.com faq page I just took pictures and put the information on here.
Attached Images
File Type: jpg valvecover.JPG (77.1 KB, 485 views)
File Type: jpg Timing marks.JPG (42.7 KB, 457 views)
File Type: jpg cas marks.JPG (37.5 KB, 435 views)
File Type: jpg cas marks2.JPG (35.8 KB, 425 views)
File Type: jpg cas marks3.JPG (27.1 KB, 413 views)
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#2 Old 04-25-2005, 03:28 PM
 
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good looking man. that next on my list of things to do after i figure out whats wrong with my wire problems
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#3 Old 04-27-2005, 08:46 PM
 
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I think this should be added to the FAQ section.


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#4 Old 05-22-2005, 08:57 PM
 
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This has been very helpful to me. However, on Heavy Throttle's website it says:

Problem Runs OK, but no power
Check Check timing, set to 15 degrees, 2nd mark from the right on crank pulley.

They say 2nd mark from the right, not 2nd from the left like you. I used your method, is this correct?
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#5 Old 05-22-2005, 09:49 PM
 
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If someone removes the Crank pulley say and does not put it back on in the exact same spot then going by the marks on the pulley would not be correct.

So the proper way I suppose would be to actually remove the Valve Cover to make sure that the #1 cylinder cam lobes are facing away from each other and then set the CAS ?

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#6 Old 05-22-2005, 09:54 PM
 
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Mine are still facing away from each other no matter which mark on the crank is used. My question is, should they be facing exactly away from each other or is it more important to go by the mark on the crank? And yes add this to the FAQ.
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#7 Old 05-22-2005, 11:33 PM
 
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ive heard another way to set timing is to remove the Coil off the #1 Cylinder plug and use one of the KA wires and attach one end on the spark plug and the other end on the Coil. Use a timing light and turn the CAS to set the timing. I havnt tried this at all but another SR20 owner i met last week told me how to set timing this way. Sounds like it could work but has anyone here tried it that way.
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#8 Old 05-23-2005, 12:02 AM
 
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good stuff

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#9 Old 05-23-2005, 12:16 AM
 
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the second tick on the right is 15* the second tick on the left is top dead center.

After you set your timing this method and go to check it your light should light up the 15* tick. The second from the right.
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#10 Old 05-23-2005, 12:19 AM
 
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also you dont have to use a spark plug wire to set your timing with a timing light. On the sr20det there is a wire at the back of the engine on the coil wiring harness that has a wire loop sticking out of it you can connect your timing light around that and it will work just fine.
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#11 Old 05-23-2005, 12:23 AM
 
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You cant put your crank pulley on wrong there is a slot in the pulley and a d shaped thing on the shaft so you cant mess it up.
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#12 Old 05-23-2005, 09:23 PM
 
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can you take a picture of the wire in the back of the motor to hook a timing light to?
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#13 Old 05-25-2005, 08:24 AM
 
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#14 Old 05-25-2005, 05:23 PM
 
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sweet write up!

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Last edited by Silverbullet; 06-10-2006 at 01:12 PM.
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#15 Old 05-26-2005, 03:35 AM
 
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I dont know about your cas but mine only rotates. If you follow the directions there is no way you can mess it up. I will get a picture of the loop tomorrow morning.

Just a quick qestion? Did you read the directions? If you did you would see there is two dots on the cas that you have to line up... I dont mean to be rude but everything you need to know is in the directions above. Its possible the cas could be a little off but this should set you rite on 15*
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#16 Old 05-26-2005, 10:27 AM
 
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by sliding up and down i meen rotating.

yea, im talking about the position changes when u rotoate the CAS while the notch is in. that affects the timing also. Don't you need a timing light to set the position of the CAS after it is in the correct notch? moving it all the way to one side VS the other changes the timing a good bit... enough to break up at top end atleast.

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#17 Old 05-26-2005, 01:52 PM
 
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I would reccomend using a timing light after your done if you dont feel that you did it rite. I used this method on my car and checked it afterwards to find out it was perfect on 15* I ask you to read the directions again. If you read step #5 it says to line up the dots after you put it in. Also this is mostly for people whos timing is way off or on a new install its a good way to check timing on an engine that wont start.
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#18 Old 05-26-2005, 10:05 PM
 
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Quote:
Originally Posted by Rs4Race
I dont know about your cas but mine only rotates. If you follow the directions there is no way you can mess it up. I will get a picture of the loop tomorrow morning.

Just a quick qestion? Did you read the directions? If you did you would see there is two dots on the cas that you have to line up... I dont mean to be rude but everything you need to know is in the directions above. Its possible the cas could be a little off but this should set you rite on 15*
Can you post up that picture of the loop? Im gonna be raising the boost of my car this weekend and i want to check the timing since someone brought to my attention that the timing may be off.
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#19 Old 05-27-2005, 11:03 AM
 
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there seems to be two loops in the back. One loop is for ground, the other ends up going into the coilpacks, im assuming into the first coilpack. I tried clipping it to that and it didn't seem to work.

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#20 Old 05-27-2005, 11:28 AM
 
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I guess ill add some info

reading from left to right on the crank pulley facing the motor -5,0,5,10,15,20

timing 15, top dead center 0

Hook up your gun to the loop that goes back into the harness and not the ground
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#21 Old 06-13-2005, 11:50 AM
 
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ok what do you do if your crank angle sensor marks are backwards from that? I have the 2 marks but the one closer to the gear is to the left of the mark further away. Has anyone ran into this? Or is my CAS a freak of nature
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#22 Old 01-15-2006, 12:55 AM
 
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someone should sticky this and also sticky it in DIY, so we will have alot less noob question, btw great job,
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#23 Old 01-16-2006, 06:37 PM
 
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When using a timming gun, your suppose to let the car idle for a little while, then shut it off and unplug the tps sensor. Restart the car and hook up the timming gun to check your timming.

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#24 Old 01-16-2006, 08:28 PM
 
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sticky?
i seriously could have used this info about 4months ago instead of paying for the shop to time my motor but on the brightside i have a metal headgasket

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#25 Old 01-16-2006, 08:54 PM
 
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definite vote on the sticky and DIY section.
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