Hei conversion troubleshooting

Also make sure the ground is good clear to the battery. I use a no 4 "starter" cable (eyelet to eyelet) about a foot or so, shortest you can buy. On a smallblock there are unused holes on the rear of the driver side head. Bolt the cable to one of them, out of the way. Bolt the other end either to a through bolt and nut through the firewall, or use one of the master cylinder mount studs.