C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Nov 18, 2019 | 10:52 AM
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I am hoping that the parts I need will be here shortly. I will try to seat the rings as soon as the parts get here. I appreciate all the information you have made available to me. Since I need vacuum for my brakes to work properly can you advise on what Has to be hooked up for first drive. Thanks
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Old Nov 18, 2019 | 09:04 PM
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PCV and brakes. Vacuum for the brakes comes off at the rear center of the carb. PCV can come from a fitting in the manifold, usually over the runner for 6-8 cylinders. Some have a nipple on the front of the carb.
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Old Nov 19, 2019 | 10:29 AM
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Thanks. Does it matter if you’re pulling vacuum off the carburetor or from the manifold? Just curious thinking ahead. I also need to know about the vacuum line to the transmission as to what it does (down shifts?) and where to pull vacuum from.
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Old Nov 19, 2019 | 11:02 AM
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Doesn't matter. Intake manifold pressure is the same.
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