Just recently fired up my 305 cf. timing chain timed using #6. now on which cylinder do I use for the base timing #1 or #6. going off #6 the car has trouble starting and back fires through the TB. Thinking you might have to use #1 regardless any thoughts? car has no power either.

 

point the rotor at the # 1 cylinder.

 

let me reword this a bit, I have the car up and running now as far as setting the timing using a timing light should I go off of the #1 or #6 cylinder. Hve the chain and base timing set off the #6 but it seems that using the #6 for the timing light at 6' cause hard starting and backng firing though the TB

 

Attach the light to the # 1 spark plug wire. I think thats what you mean right?

 

yes it is, thanks going to try it tonight. then i might be able to 60 in less than 5min lol