Step by step guide to ignition timing?

mr.bishi · #1 10-11-2010, 18:03

Hey all.....sorry for the threadromancy,but i have a quick timing related question.

I picked up an s12 auto at the weekend and it was having running problems....not helped by the dizzy being loose!

Obviously,i need to set the timing,so....Is it set using no1 or no4 on firing stroke? I've had a look in the manual,but it didn't seem to say...

Cheers..

30psi · #2 10-11-2010, 19:08

You'd typically use no.1 but 4 will do the same

mr.bishi · #3 10-11-2010, 20:13

Quote:

Originally Posted by 30psi

You'd typically use no.1 but 4 will do the same

Actually,that has just dawned on me that it's the same thing.....The reason i ask is,i cannot see my timing mark under the strobe using no1 but i can using no4 and it's vexed me a little. The strobe is flashing too

Unless it was picking up a signal from another lead i guess....

Thanks anyway.

alundra · #4 10-11-2010, 20:48

Check resistance of each wire.

mr.bishi · #5 11-11-2010, 13:53

Quote:

Originally Posted by alundra

Check resistance of each wire.

What value am i looking for? 30k rings a bell?

mr.bishi · #6 15-11-2010, 14:25

This gets stranger......my mistake on this,but the timing marks are actually lining up on 2 and 3 firing,it was 3 i was using,not 4. That's why i can't see it on 1.
Is there anyway the crank pulley can be put on 180 degrees out? Usually they just have one keyway?

I can't get my head around how else this can happen and the engine still run??