Bump Steer

Last weekend, when I was driving Lucille before the generator blew, I had her on the freeway and the dips in the road surface would cause her to steer to the right a bit. I got sidetracked with the alternator thing, but later I looked up the symptom and it seems when I changed the steering gear and pitman arm, I altered the angle of the tie rod ends because the drag link is now slightly lower. I had heard about keeping the drag link level, but failed to keep the tie rod ends level with the drag link. Result: Bump Steer (or bumpsteer). There are various kits available, none for Cadillacs, of course, that will help correct this with an adjustable height tie rod end. I did find a place in PA that may be willing to put a kit together for my car. I set them the specs and am waiting to hear back from them.

Continuing with the alternator conversion, I have the 10SI physically mounted (loosely) and am beginning the wiring by removing the brown wire coming from the idiot light and wiring it to the #1 terminal of the 10SI's pigtail. The #2 terminal just jumpers back to the BATT terminal of the 10SI. (I have read that this is optional, but my pigtail came with a ring terminal to attach to the BATT terminal, so might as well.) The ground wire from the old regulator isn't used and I removed it from the harness. I replaced the 14 gauge wire from the positive battery terminal to the BATT stud on the 10SI with a 10 gauge. Ready to tighten up the bracketry I realized I needed to trim the top bracket by an inch and a half. Easy. Then she was finally all bolted down solid, wires routed and wrapped, ready to test. Key on, got my red "GEN" light. Turned to start, light went off and stayed off as the engine caught. I didn't check the voltage but I didn't need to. The windows now zoom up and down like they hadn't before... The juice is in!

Alternator Conversion

Blew the generator or regulator today... not sure which and don't care, as a 10SI Delco alternator is going to go in the car now. Part number I used is the same as for the '76 Electra #7127-12. Started by pulling the old generator off. I then removed the mounting plate from the exhaust manifold and flipped it end for end. This allows the bottom of the new 10SI to bolt up to it with the right spacing on the pulley. However, a few mods were in order. This plate is a solid chunk of steel, instead of the bent dog-eared plate that my '49 had. So the edges where the alternator sits on the plate needed to be rounded and the forward nut that holds the plate to the manifold had to be countersunk. Easy work with a drill bit, Dremel and a file. That concluded today's activities. To be continued...