Exhaust work and new voltage regulator
Brothers muffler shop is just over the tracks from my home. We needed a nearby shop, because our plan was to drive header-only to get the rest of the exhaust connected. They did it while we waited and the price was right!
Now that we had an exhaust system, we went for a short drive to warm the engine so we could advance the timing to 12 degrees BTDC, and adjust the idle mixture screws. We also rechecked the fuel pressure, warm, and it had dropped to around 2 psi. The regulator adjustment worked much better, with a warm engine. We set it to around 2.6 psi.
Since we had a little extra time, we checked the running voltage at the battery and it was approaching 16 volts while revving. I had purchased a new voltage regulator, from Rockauto.com, for about ten bucks. We installed that, and it kept the voltage below 15 when revving.
New voltage regulator |
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