ZR-1 Net Registry Forums - View Single Post - Bringing the Champ back to fighting condition

bmarcum · 09-20-2024

The buyer I purchased it from said injectors had been replaced, but I have no documentation. It really feels like ignition, but it is strange that it will only miss on the secondaries. Just curious if the fuel mixture could be such that it would not miss on primary but miss under a load on secondaries with a full cycle charge needing more voltage. I am thinking maybe wires when the motor get heat soaked. I really like the OEM coils and have run them for a long time with no issues. I have had problems with MSD etc Chinese coils that were new.

Thoughts on wires being the problem? I will replace unless someone scope suggestions.

Other injector problems I have had on previous car would have bad misses at idle. This feels like ignition, but so weird it only on secondaries.

Anyone have a scope for wasted spark they like for LT5?

09-20-2024	#5
bmarcum Join Date: Oct 2018 Location: Indiana Posts: 61	Re: Bringing the Champ back to fighting condition The buyer I purchased it from said injectors had been replaced, but I have no documentation. It really feels like ignition, but it is strange that it will only miss on the secondaries. Just curious if the fuel mixture could be such that it would not miss on primary but miss under a load on secondaries with a full cycle charge needing more voltage. I am thinking maybe wires when the motor get heat soaked. I really like the OEM coils and have run them for a long time with no issues. I have had problems with MSD etc Chinese coils that were new. Thoughts on wires being the problem? I will replace unless someone scope suggestions. Other injector problems I have had on previous car would have bad misses at idle. This feels like ignition, but so weird it only on secondaries. Anyone have a scope for wasted spark they like for LT5?