Pass side block threaded boss - ZR-1 Net Registry Forums

05-27-2019	#1
tpepmeie Join Date: Aug 2005 Location: Fishers, IN Posts: 815	Pass side block threaded boss Maybe a very dumb question, but I’m putting a totally stock 93 motor back together. On the pass side lower front of the block there is a threaded boss. Here is a pic. IMG_0731.JPG This pic is an early engine. On a 93 this is buried behind the EGR valve. Who can tell me what this is for? Sent from my iPhone using ZR-1 Net Registry __________________ Todd ____________________________________ *** our email address has changed! info@pepmeierengines.com pepmeierengines.com Friend us on Facebook too: www.facebook.com/profile.php?id=100011443683384 Pepmeier Engine Development

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