msupra1 Posted May 5, 2015 Share Posted May 5, 2015 (edited) I understand that on the stock untouched valve cover I can just run rubber hose to a catch can... but If I'm wanting to run 90 degree AN fitting / and braided line from the valve covers does that require drilling/welding in AN fittings? The catch can I purchased fits ideally beside the brake booster, so I was wanting to run the lines towards the firewall side. I just had the head off for cams and such.. and had the covers repainted. I didn't realize it wasn't a straight plug-n-play kind of things. Just wondering what are the options? could it be done without damaging the paint or removing the valve covers? Edited May 5, 2015 by msupra1 (see edit history) Quote Link to comment Share on other sites More sharing options...
666 Posted May 8, 2015 Share Posted May 8, 2015 (edited) You can tap instead op welding an fittings. This gives you a little more room and looks cleaner imo. This also doesn't require to repaint your covers. However you have to remove your valve covers and baffles to clean the inside. Example from jhepburn 1400hp supra 12 x 1/2" NPT 90 fitting http://home.comcast.net/~jeremy.hepburn/chrome1a.jpg Another example of tapped fittings. Edited May 8, 2015 by 666 (see edit history) Quote Link to comment Share on other sites More sharing options...
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