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Old 02-14-2022, 02:30 AM   #128
pjmoreland
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Join Date: Jan 2005
Location: CA
Posts: 5,349
Re: 700R4 TCC Wiring

I moved the vacuum sensor from timed vacuum to manifold vacuum. This change keeps the TCC locked when coasting. I like this better because I found it distracting to have the TCC unlock and relock each time I let off the throttle in traffic. Initially I connected the sensor to the same vacuum fitting that my brake booster is connected to on the rear of the intake manifold, but for some reason the vacuum level was erratic there. I ended up teeing into the hose that runs from the front of the carb to the distributor vacuum advance.
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