Setting Timing?

[8urv8]

I'm having an issue with my timing. When I line the crank sprocket timing mark and the marks on the cam gears up and put everything back togetther, the timing mark on the harmonic balancer is not lined up with 0 mark on the timing cover. The car run's fine but this is really bugging me. Is the timing marks on the 1g crank pulley in a different spot than a 2g. The car is six bolt swapped. Someone please shed some light.

 

[brisvr4]

As far as I know 1G's and 2G's use different timing marks on the crank.

This is the timing mark for a 1G 6 bolt.
Hope it helps.

http://www.vfaq.com/proj-pics/Tbelt/fig12a.gif

 

[RoasT BeeF]

The simple answer to your concern is, the harmonic balancer is not suppose to be at 0 with all timing marks lined up. You need to set base timing.

You are talking about 2 different things here. Base timing and engine timing. Engine timing is the marks on the cam sprockets and crank sprockets. Base timing is the position of the cam angle sensor as related to crank shaft position. Base timing can only be set via a timing light and has nothing to do with the timing marks on the cams and crank.

Instructions on setting base timing - Engine Timing That is for a 1G. You can follow the same procedures since you have a 6 bolt.

 

[steve]

The simple answer to your concern is, the harmonic balancer is not suppose to be at 0 with all timing marks lined up. You need to set base timing.

You are talking about 2 different things here. Base timing and engine timing. Engine timing is the marks on the cam sprockets and crank sprockets. Base timing is the position of the cam angle sensor as related to crank shaft position. Base timing can only be set via a timing light and has nothing to do with the timing marks on the cams and crank.

One of us is confused, it might be me given the 4 hours of sleep last night but this doesn't follow what I think I know.

The timing marks for the crank, cams, oil pump and balance shaft are all at TDC. You can verify yourself by sticking something down the cylinder 1 spark plug hole and watch it as you move around the timing mark.

The harmonic dampener and front cover are also indexed to TDC for the purpose of setting the ECU timing signals. This assumes that the rubber holding the outer ring with the mark hasn't broken and allowed it to shift on the inner hub. The mark on the ring will match up with the 0 mark on the cover at TDC. If it doesn't the engine either isn't at TDC, the harmonic dampener is separated or mounted incorrectly.

Setting base timing syncs the ECU notion of crank angle with reality but it uses the physical marks to do so and they have to line up at TDC to be correct.

What did I misunderstand from your post?

 

[1992awdlaser]

Steve is right, the 0 mark does represent tdc.