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The Terminator
Engine/Tuning
Tick issue
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<blockquote data-quote="hotcobra03" data-source="post: 16604132" data-attributes="member: 53096"><p>do one.</p><p></p><p>a basic test will show</p><p></p><p>mine purred at idle on 7 cyl s</p><p></p><p>a valve seat will drop, and piston will hit it and tap until it’s up enough to stop</p><p></p><p>I drove over 1000 miles with it like this before finding it</p><p></p><p>mine was a tap tap bang quiet</p><p></p><p>I have no idea what Ford did to find the first head I only had starting issues , it wouldn’t idle until warm</p><p></p><p>I had a 0 on cyl 6. Twice.</p><p>Had head repaired on my first time</p><p>It lasted but 70k later cyl 7 cracked this showed low compression 45psi less than others</p><p></p><p></p><p>There is some other items on timing chains that may be your noise ,</p><p></p><p>can’t say if any of those items breaking is enough for valve to piston</p><p></p><p>the chain adjuster (steel) vs plastic</p><p></p><p>there may be a new design cam to cam on passenger side</p><p></p><p>JDM ? Tensioner</p><p></p><p>than the guides for the chains ? Pivot pin upgrade?</p><p></p><p></p><p>modularfords has a lot of this information.</p><p>In cobra section. Very very helpful</p><p></p><p>Along with all you can link from facts/question</p></blockquote><p></p>
[QUOTE="hotcobra03, post: 16604132, member: 53096"] do one. a basic test will show mine purred at idle on 7 cyl s a valve seat will drop, and piston will hit it and tap until it’s up enough to stop I drove over 1000 miles with it like this before finding it mine was a tap tap bang quiet I have no idea what Ford did to find the first head I only had starting issues , it wouldn’t idle until warm I had a 0 on cyl 6. Twice. Had head repaired on my first time It lasted but 70k later cyl 7 cracked this showed low compression 45psi less than others There is some other items on timing chains that may be your noise , can’t say if any of those items breaking is enough for valve to piston the chain adjuster (steel) vs plastic there may be a new design cam to cam on passenger side JDM ? Tensioner than the guides for the chains ? Pivot pin upgrade? modularfords has a lot of this information. In cobra section. Very very helpful Along with all you can link from facts/question [/QUOTE]
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