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Engine, Transmission, Drive Line, Etc
Low RPM Drivability Issue / 1973 351C
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<blockquote data-quote="boilermaster" data-source="post: 395469" data-attributes="member: 3075"><p><span style="font-size: 16px">73inNH,</span></p><p></p><p><span style="font-size: 16px">Just to be 100% clear here,</span></p><p></p><p><span style="font-size: 16px">The OEM pcv setup on our cars were designed to have a vacuum side and a pressure side.</span></p><p></p><p><span style="font-size: 16px">The vacuum side consists of a vacuum port at the carb (or spacer under the carb) for pcv vacuum</span></p><p></p><p><span style="font-size: 16px">and pcv valve in the left rocker cover.</span></p><p></p><p><span style="font-size: 16px">The pcv pressure side consists of a grommet, elbows and an attachment to the air cleaner to allow the pressure side to be drawn into the air cleaner to allow the system to flow.</span></p><p></p><p><span style="font-size: 16px">If you don't allow the system to actually flow, all you are getting is a metered vacuum leak.</span></p><p></p><p><span style="font-size: 16px">FWIW, If you are running stock valve covers with a twist on oil cap make sure the cap still has baffeling material in it.</span></p><p></p><p><span style="font-size: 16px">If you are running aftermarket covers with press in covers you need to have a way to baffle the oil or you will end up with oil being sucked thru the pcv system and an oil consumption issue and possible engine damage.</span></p><p></p><p><span style="font-size: 16px">I think you are doing this correctly, just want to be 100% thanks for understanding.</span></p><p></p><p><span style="font-size: 16px">Boilermaster</span></p></blockquote><p></p>
[QUOTE="boilermaster, post: 395469, member: 3075"] [SIZE=16px]73inNH,[/SIZE] [SIZE=16px]Just to be 100% clear here,[/SIZE] [SIZE=16px]The OEM pcv setup on our cars were designed to have a vacuum side and a pressure side.[/SIZE] [SIZE=16px]The vacuum side consists of a vacuum port at the carb (or spacer under the carb) for pcv vacuum[/SIZE] [SIZE=16px]and pcv valve in the left rocker cover.[/SIZE] [SIZE=16px]The pcv pressure side consists of a grommet, elbows and an attachment to the air cleaner to allow the pressure side to be drawn into the air cleaner to allow the system to flow.[/SIZE] [SIZE=16px]If you don't allow the system to actually flow, all you are getting is a metered vacuum leak.[/SIZE] [SIZE=16px]FWIW, If you are running stock valve covers with a twist on oil cap make sure the cap still has baffeling material in it.[/SIZE] [SIZE=16px]If you are running aftermarket covers with press in covers you need to have a way to baffle the oil or you will end up with oil being sucked thru the pcv system and an oil consumption issue and possible engine damage.[/SIZE] [SIZE=16px]I think you are doing this correctly, just want to be 100% thanks for understanding.[/SIZE] [SIZE=16px]Boilermaster[/SIZE] [/QUOTE]
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Low RPM Drivability Issue / 1973 351C
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