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Timing is 0 degrees. To do this you must disconnect the single wire connector near this distributor. It is a TAN with a BLACK stripe. Start Engine, the check engine light will be on this is OK you will clear it in the next step. Set TIMING to 0 degrees. Then turn off ignition and disconnect the battery for 1 minute this will clear the check engine light. Reconnect the TAN with Black Stripe wire connector. now reconnect the battery. Start your engine. That's it your done.
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Will the belt from a 91 Astro van 4.3L engine without AC be used on a similar air conditioned van if the compressor has been removed?
yes
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