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Blew a spark plug
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<blockquote data-quote="03Steve" data-source="post: 9600998" data-attributes="member: 5016"><p>Here is what I am using to Timesert heads:</p><p></p><p>[ATTACH=full]1207634[/ATTACH]</p><p></p><p>It's an Enco mill. Ideal speed for reaming and counter boring is 150 RPM, per Mike at Timesert. You must ensure that your line bore is perfectly straight. You also must ensure that you ream and counter bore to the proper depth. If you don't, see the next picture. </p><p></p><p>Here is a result of the Timesert process when performed with <strong>air tools while the head was on the car</strong>. Note the depth of the spark plug, and the protruding into the intake valve seat:</p><p></p><p>[ATTACH=full]1207635[/ATTACH]</p><p></p><p></p><p>For reference, here is a unmodified spark plug bore:</p><p></p><p>[ATTACH=full]1207636[/ATTACH]</p></blockquote><p></p>
[QUOTE="03Steve, post: 9600998, member: 5016"] Here is what I am using to Timesert heads: [ATTACH=full]1207634[/ATTACH] It's an Enco mill. Ideal speed for reaming and counter boring is 150 RPM, per Mike at Timesert. You must ensure that your line bore is perfectly straight. You also must ensure that you ream and counter bore to the proper depth. If you don't, see the next picture. Here is a result of the Timesert process when performed with [B]air tools while the head was on the car[/B]. Note the depth of the spark plug, and the protruding into the intake valve seat: [ATTACH=full]1207635[/ATTACH] For reference, here is a unmodified spark plug bore: [ATTACH=full]1207636[/ATTACH] [/QUOTE]
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