AMC Eagle Den Forum
The Mighty 258 => The Engine => Topic started by: wampus_cat on August 28, 2011, 10:57:28 PM
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Not really a new topic, but just installed new collins bros aluminum Valve cover... SWEET ;D
http://i1192.photobucket.com/albums/aa340/wampus_cat/8-21-11011.jpg
$100+ well spent i suppose.. hate oil on my motor.
One question: Why do they recommend changing the 5 1/4-20 holes to 5/16-18 and drilling and tapping the two new holes to 1/4-20 when the holes that are started are 17/64 the size that 5/16 needs to be drilled to? I did not follow the directions, and I re-used the 5 1/4 bolts, and drilled and tapped the two new holes to 5/16. Just my two cents, wondering if anyone else did the same??
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not real sure...i noticed two holes on the valve cover were 1/4 rather than 5/16 though. i don't see that it would make a difference either way