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Tech & Fab
Pcv negative pressure?
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<blockquote data-quote="TBItoy" data-source="post: 608860" data-attributes="member: 1384"><p>Ok, after doing some looking around, the older 22re's (downward angle TB) had the pcv hose after the throttle blade. How the hell does that work? Doesn't seem like that would be able to create ANY PCV effect at all? Unless there is an internal passage in the intake manifold that plumbs it to the from tside fo the throttle blade. Has to be...</p><p><img src="http://www.4crawler.com/4x4/CheapTricks/22RE_Engine_Pix/p1020528.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://cimg3.ibsrv.net/gimg/www.yotatech.com-vbulletin/600x450/picture_php_pictureid_17679_fa1e88b78d0d66bd7ee363a4400c1bf94e4a5ad8.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p></p><p></p><p></p><p>On newer 22RE's (like the 94 in my truck) it hooks up before the throttle blade on the throttle body, It doesn't create a un metered air leak because it is after the AFM. </p><p></p><p><img src="https://static.cargurus.com/images/site/2015/01/13/16/43/pic-5735508079650578097-1600x1200.jpeg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://farm4.static.flickr.com/3267/2689400593_e05a5702d6_o.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>I understand what you are trying to accomplish now from your last post, apparently I was missing something before. Not sure why you are wanting to do this? ie what the negative pressure is supposed to accomplish?</p><p></p><p></p><p>Everything on a 22re should be post AFM, I'll edit my previous post to make it more clear/correct.</p></blockquote><p></p>
[QUOTE="TBItoy, post: 608860, member: 1384"] Ok, after doing some looking around, the older 22re's (downward angle TB) had the pcv hose after the throttle blade. How the hell does that work? Doesn't seem like that would be able to create ANY PCV effect at all? Unless there is an internal passage in the intake manifold that plumbs it to the from tside fo the throttle blade. Has to be... [IMG]http://www.4crawler.com/4x4/CheapTricks/22RE_Engine_Pix/p1020528.jpg[/IMG] [IMG]http://cimg3.ibsrv.net/gimg/www.yotatech.com-vbulletin/600x450/picture_php_pictureid_17679_fa1e88b78d0d66bd7ee363a4400c1bf94e4a5ad8.jpg[/IMG] On newer 22RE's (like the 94 in my truck) it hooks up before the throttle blade on the throttle body, It doesn't create a un metered air leak because it is after the AFM. [IMG]https://static.cargurus.com/images/site/2015/01/13/16/43/pic-5735508079650578097-1600x1200.jpeg[/IMG] [IMG]http://farm4.static.flickr.com/3267/2689400593_e05a5702d6_o.jpg[/IMG] I understand what you are trying to accomplish now from your last post, apparently I was missing something before. Not sure why you are wanting to do this? ie what the negative pressure is supposed to accomplish? Everything on a 22re should be post AFM, I'll edit my previous post to make it more clear/correct. [/QUOTE]
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