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Old 02-11-2006, 06:40 AM   #1 (permalink)
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Default Adjusting timing in 97 lantra

How and where do I adjust the timing on a 97 lantra, I need to retard the timing slightly...
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Old 02-12-2006, 06:39 AM   #2 (permalink)
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Default Re: Adjusting timing in 97 lantra

OK, and is it at all possible to do it by simply adjusting the camshaft position sensor? I was told that a timing adjustment could be done very quickly and easily by simply tuning this sensor slightly in order to change where the car thinks the #1 piston is (hence changing the firing timing).

I want to retard the timing slightly to eliminate engine ping, but there doesn't seem to be any way that the camshaft position sensor would help..?
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Old 02-12-2006, 10:13 AM   #3 (permalink)
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Default Re: Adjusting timing in 97 lantra

You need to figure out why it's pinging.. It's a lean condition.. Either you don't have enough fuel or your getting a vaccuum leak.. Or even possible that your timing belt is off a tooth.. You shouldn't really mess will any of the sensors just because your getting a ping.. The ECU will adjust timing its self. But when it runs out of adjustments then there is other problems.. :evil:

[Edited by imcastock on Feb 12, 2006 7:14 AM]
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Old 02-12-2006, 06:40 PM   #4 (permalink)
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Default Re: Adjusting timing in 97 lantra

Well it's a bit more complicated than that, I just found out that apparently the previous owner rebuilt the engine and replaced a few things, which now means the engine needs the timing retarded by a degree or so to compensate. Of course when I got the timing belt replaced recently I didn't know this and the mechanic wouldn't have either. So I'm pretty sure that the car is set to the correct timing at the moment for a 97 lantra, but that's not exactly what this car is anymore! The pinging is pretty minimal, and occurs at lowish revs when under high load. I can usually drive such that I avoid pinging but of course it would still be nice to fix it.

So yea, there's a small chance it could be something like lean fuel etc, but I wanna try retarding timing a little just to see if it helps, and apparently it can be done very easily via the crankshaft position sensor.. if not is there another way to do it that isn't too mechanically demanding?

Otherwise any other simple checks I can do that may help pinging would be good...

[Edited by figs on Feb 12, 2006 3:42 PM]
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Old 02-13-2006, 06:38 PM   #5 (permalink)
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Default Re: Adjusting timing in 97 lantra

if your car is pinging then use a higher octane fuel
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Old 02-13-2006, 06:42 PM   #6 (permalink)
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Default Re: Adjusting timing in 97 lantra

BTW: with the newer cars, you can't just retard the timing a little without a piggback timing system. You'd have to jump an entire tooth in the cam, which would probably enhibit your car from starting.
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Old 02-13-2006, 07:08 PM   #7 (permalink)
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Default Re: Adjusting timing in 97 lantra

Get adjustable cam gears.

Is it me or the whole thing about needing to be retarded sound just a little retarded?


Read this...

Im sofa king we todd did.

Yep... :

j/k

But i dont understand why you want to change the timming, run 89 gas, and floor it once every now and then to keep the carbon down. Thats it really.
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Old 02-13-2006, 08:47 PM   #8 (permalink)
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Default Re: Adjusting timing in 97 lantra

Are you talking about ignition timing or cam timing?

2 different things. Adjustable camgears adjust cam timing. MSD 2 adjusts ignition timing.
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Old 02-17-2006, 03:25 AM   #9 (permalink)
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Default Re: Adjusting timing in 97 lantra

ok i can avoid pinging by not going full throttle at low revs... if a lean fuel mixture causes pinging, and i can avoid pinging by not supplying too much air, does this mean my fuel input is limited? ie. at low revs i cant get enough fuel for the amount of air i can supply, hence lean mix, hence pinging? is this likely?
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Old 02-20-2006, 03:49 PM   #10 (permalink)
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Default Re: Adjusting timing in 97 lantra

all i want to do is retard the timing slightly so that the engine fires a degree or so slower, ie a degree or so closer to TDC... easy or not?
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