comanche1989 Posted October 12, 2013 Share Posted October 12, 2013 Hi, I'm currently rebuilding my 1992 Comanche 4.0 engine. I'm at the stage of installing my main bearings into the block side saddles. I'm trying to install the side with the groove into the block saddle, like the instructions say, and my tabs on the bearings are not lining up with the grooves on the block. I'm attaching pictures to show my issue, and any advice would be welcome. Thanks!! Link to comment Share on other sites More sharing options...
Rockfrog Posted October 12, 2013 Share Posted October 12, 2013 You're positive they gave you the correct bearings? None of my 4.0's had the center groove in them. Link to comment Share on other sites More sharing options...
Oyaji Posted October 12, 2013 Share Posted October 12, 2013 Wrong bearings. The locating tab must line up. . Take an old bearing (or all of them) with you when you go back to return these, and make sure the replacements they sell you match your old ones. Also buy some PlastiGauge and use it to double-check your bearing clearances. Link to comment Share on other sites More sharing options...
jimoshel Posted October 12, 2013 Share Posted October 12, 2013 :agree: 10-4 Link to comment Share on other sites More sharing options...
comanche1989 Posted October 12, 2013 Author Share Posted October 12, 2013 thanks for the replies everyone, the machine shop gave me the wrong bearings apparently. I guess I'll have to sort it out on monday. Thanks again for the help! Link to comment Share on other sites More sharing options...
cruiser54 Posted October 13, 2013 Share Posted October 13, 2013 You got REnix bearings with the offset tangs. Link to comment Share on other sites More sharing options...
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