actually, got spark but no fire. Belts are in time/have timing/spark checked with a timing light but it wont fire. Even sprayed carb cleaner into the throttle body but it wont light anything.

 

Ideas?

 

Bill

Edited October 16, 201015 yr by RMVR53

how did you do your timing (with the cam timing marks!!) and is it TDC with the rotor pointing to #1?

timing/cam marks on the belt are on. Timing is set at 20BTDC

just pulled a plug and grounded it...VERY weak spark...almost yellow with a tint of blue...

 

coil?

 

 

Bill

lowest Ohm setting on my meter is 20 and primary reads between .9 and 1

secondary reads 10,500

 

thoughts?

Edited October 17, 201015 yr by RMVR53

I doubt the problem is due to a weak spark. I suspect the real trouble may be due to valve timing. Have you checked the compression of the cylinders yet? If not, I suggest you do that to see if the valve timing is ok.

I figured I talk about a GL because thats where the dizzy/parts came from. This is actually my non-turbo XT that I'm converting to a 2 wire dizzy and single Mikuni PHH carb on a custom manifold. It runs for about 30 seconds on the 4 wire dizzy before the timing starts jumping all over the place (watching with a timing light AND watching the tach). So I know the engine runs...quite well...for that 30 seconds. When I installed the 2 wire dizzy, it won't hit/fire on anything flammable. The dizzy came out of a running car. With this in mind, I'm beginning to think that all my previous problems were coil related..even tho it was/is a new coil its got a problem

 

Bill

If there is an ignitor in the circuit (pretty sure there is one) then you might try replacing it. They go out often.

are you talking about the transister on the small bracket next to the coil?

Yes, that's it.