Finally checked the plugs again after I've been driving it a while. Still look fine. One of these days I'll pull the cap and put lighter springs, just haven't had time because the dizzy is shoved up against the firewall from the motor being shoved so far back. I did check the weights on the distributor when I installed it, a lot better than the old one

. Do have to say its a lot easier to start now not worrying about kickback.
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1970 Chevrolet C-10 w/355sbc

2010 Silverado Daily Driver

1971 Mercedes 280sl project car