none and no ... if you're going to a V8 in a 6 volt truck then you're also looking at changing to 12V - [and it's actually the coil that's 6 or 12V, the dist doesn't care]

might help to state a bit about what you're working with and what you want to end up with

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot