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Timing marks

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Old 08-09-2006, 07:21 PM
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abarone300
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Default Timing marks

Where are the timing marks located on a B16A3. Can't see the marks, I would like to use a strobe light to see the marks and adjust the timing a few degrees by rotating the distributor, I forgot to mark the distributor when I pulled it out, in order to remove the cylinder head to change some valves and the timing belt.
I was told to look for an opening on the bellhousing on the side of the flywheel, but I could not find it. Am I looking the correct side of the engine? Or should I be looking somewhere around the cranckshaft pulley? I have a feeling that's where the marks should be... Maybe they have been erased?
Thanks for your help

Last edited by abarone300; 08-09-2006 at 07:40 PM.
Old 08-09-2006, 07:24 PM
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westcoaststyle
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The timing marks to time it with a timing gun are on the plastic timing belt cover just inside the crank pulley. The center of the three marks together on the crank pully should be lined up with the marks on the timing belt cover. They look like gun sights. Usually the mark on the pulley is red. Line them up off of cyl1 with the timing gun and you're set.
Old 08-09-2006, 07:39 PM
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abarone300
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Default Thanks, I will try!

Originally Posted by westcoaststyle
The timing marks to time it with a timing gun are on the plastic timing belt cover just inside the crank pulley. The center of the three marks together on the crank pully should be lined up with the marks on the timing belt cover. They look like gun sights. Usually the mark on the pulley is red. Line them up off of cyl1 with the timing gun and you're set.
I'm gong to take a closer look tomorrow, it's not too difficult to retard or advance the timing, the difficult part has been locating the marks! I find Pontiacs (I'm also working on a '79 T/A) a lot easier to work on...Thanks
Old 08-09-2006, 07:57 PM
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westcoaststyle
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Usually just having the distributor right in the middle of it's adjustment area will get it very close to timed. That's where I'd start when you have the gun on it.
Old 08-10-2006, 06:10 AM
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abarone300
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Yeah, that's where it's at now! I'm not a gambling men, I go for the middle..
although when I first reinstalled the distributor I thought the rotor might have been 180 off... (but since the car started ok...)

In any case, I'll try finding those marks after work, and put my timing gun to good use again!

Thanks

Last edited by abarone300; 08-10-2006 at 06:20 AM.
Old 08-10-2006, 08:54 AM
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westcoaststyle
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If the car started and ran, the distributor is on correctly and the rotor is hitting the right sequence. It wouldn't start at all if the rotor was 180deg off.
Old 08-10-2006, 10:29 AM
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abarone300
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Default I've been there, and done that!

Originally Posted by westcoaststyle
If the car started and ran, the distributor is on correctly and the rotor is hitting the right sequence. It wouldn't start at all if the rotor was 180deg off.
I've had to learn the hard way in the past! But this time around I didn't learn my lesson and failed to mark the distributor, good thing there that 50/50 chance factor...
Old 08-10-2006, 10:31 AM
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Originally Posted by abarone300
I've had to learn the hard way in the past! But this time around I didn't learn my lesson and failed to mark the distributor, good thing there that 50/50 chance factor...
I'm with ya man. I've put wires on in the wrong order, put the distributor back on with the rotor the wrong way, put a head gasket on up-side-down... and more. Stupid mistakes teach many lessons. Haha
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