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General
Hard to start 1970 trail 70
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<blockquote data-quote="69ST" data-source="post: 186339" data-attributes="member: 5"><p>The "brakleen" leak test is just a refined shadetree mechanic process that is very reliable. Re-cutting valve seats is more art than science, especially with these cylinder heads... because there's not much working room. It takes a long time to accumulate sufficient experience to do the job quickly & efficiently. Cylinder boring is far more science than art; mastering that takes even more years of experience and a 5-figure investment in equipment. As for everything else, there are a few quirks with these engines and a few specialty tools needed. You probably have way more than enough basic knowledge to learn you way through the <slightly> tricky stuff. The only specialty tool needed to tear-down & assemble a cylinder head is valve spring compressor.</p><p></p><p>It's the lower end that requires the bulk of the specialized tools: clutch socket, impact driver + JIS bits, flywheel puller, snapring pliers. And the only process that will have to be farmed-out is a crank rebuild, which usually isn't needed.</p></blockquote><p></p>
[QUOTE="69ST, post: 186339, member: 5"] The "brakleen" leak test is just a refined shadetree mechanic process that is very reliable. Re-cutting valve seats is more art than science, especially with these cylinder heads... because there's not much working room. It takes a long time to accumulate sufficient experience to do the job quickly & efficiently. Cylinder boring is far more science than art; mastering that takes even more years of experience and a 5-figure investment in equipment. As for everything else, there are a few quirks with these engines and a few specialty tools needed. You probably have way more than enough basic knowledge to learn you way through the <slightly> tricky stuff. The only specialty tool needed to tear-down & assemble a cylinder head is valve spring compressor. It's the lower end that requires the bulk of the specialized tools: clutch socket, impact driver + JIS bits, flywheel puller, snapring pliers. And the only process that will have to be farmed-out is a crank rebuild, which usually isn't needed. [/QUOTE]
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Hard to start 1970 trail 70
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