Search found 3 matches

by Spiffydudex
Tue Jan 28, 2020 4:23 pm
Forum: s300 / SManager
Topic: DOHC ZC OBD1 Conversion - Ignition Timing
Replies: 7
Views: 5467

Re: DOHC ZC OBD1 Conversion - Ignition Timing

If it is a fixed timing light then it is showing the 0 position and not 16 degrees advanced as you are trying to get to. From my understanding, with a original OBD1 engine/ecu with the timing light fixed at 0 and the Set Timing window set at 16, I should see the timing on the crank at (roughly) 16 ...
by Spiffydudex
Tue Jan 28, 2020 11:52 am
Forum: s300 / SManager
Topic: DOHC ZC OBD1 Conversion - Ignition Timing
Replies: 7
Views: 5467

Re: DOHC ZC OBD1 Conversion - Ignition Timing

Are you using a dialback timing light, or a fixed timing light. Worked perfectly with the OBD0 setup. Timing light can be (and is) fixed at 0.0. Is the cam/crank timing correct? Cam and crank are in time. Original OBD0 dizzy was nearly dead center on adjustments. I've seen cheap aftermarket distrib...
by Spiffydudex
Sat Jan 25, 2020 1:06 pm
Forum: s300 / SManager
Topic: DOHC ZC OBD1 Conversion - Ignition Timing
Replies: 7
Views: 5467

DOHC ZC OBD1 Conversion - Ignition Timing

Hello All, I am working to upgrade my DOHC ZC 3rd gen to OBD1. I have run into an issue with ignition timing. Things I have done/Verified: While OBD0 - Ignition timing was correct at -16BTDC. Car ran like a dream Crank and Cam are perfectly aligned. Purchased 2 TD43u distributors and have managed to...