![\"rad1_zpsrvmsuoes\"](\"https:\/\/datsunworks.com\/Blog\/wp-content\/uploads\/2015\/09\/rad1_zpsrvmsuoes-300x261.jpg\")
<\/a><\/p>\nI knew it was there because you can see it from the top. I wanted to leave it to see what it looked like in the X-ray. You can see it leads all the way over to the valve guide bore and in fact you can see it in the bore. I’ll do a weld repair on the top and call it a day as it’s too small a defect to affect the valve guide.<\/p>\n
Controlling solidification shrinkage is one of the tougher aspects of casting metal. We’ll try something a little different on the next one.<\/p>\n
Every head will be x-rayed before they get sold. This way people can have confidence in the casting before they invest in machining.<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Got the head back from X-ray on Saturday. No big surprises. Here is a shot of the front half Here is a closeup of a known shrink porosity problem. I knew it was there because you can see it from the top. I wanted to leave it to see what it looked like in the … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-146","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6IdRp-2m","_links":{"self":[{"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/posts\/146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/comments?post=146"}],"version-history":[{"count":1,"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/posts\/146\/revisions"}],"predecessor-version":[{"id":149,"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/posts\/146\/revisions\/149"}],"wp:attachment":[{"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/media?parent=146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/categories?post=146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/datsunworks.com\/Blog\/wp-json\/wp\/v2\/tags?post=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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