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SN95 Cobras
Anyone ever tackle forged pistons and rods install?
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<blockquote data-quote="Quadcammer" data-source="post: 3190038" data-attributes="member: 6813"><p>you can get stock bore pistons, but you will at least want to get it honed to get the correct piston to wall clearance. Also, the stock bores are not 100% round.</p><p></p><p>the correct thing to do is get the block torque plate bored and honed to .020. Get a nice .020 piston like Diamond, CP, JE, Ross, etc and some eagle or manley rods.</p><p></p><p>meaure your crank journals to see if an align hone is necessary. Also check to make sure the decks are flat and even side to side.</p><p></p><p>from there its just assembly with micrometers and ring filers (which is a pain in the ass).</p><p></p><p>also, since these pistons have full floating pins, you need spiralox which are a whore and a half to put on. </p><p></p><p>my suggestion?</p><p></p><p>buy a junkyard 4.6 from a crown vic and rebuild that with just new bearings and gaskets. You shouldn't be out more than 250 bux, and you could sell it afterwards.</p><p></p><p>that way, if you screw up, you aren't out a lot of money.</p></blockquote><p></p>
[QUOTE="Quadcammer, post: 3190038, member: 6813"] you can get stock bore pistons, but you will at least want to get it honed to get the correct piston to wall clearance. Also, the stock bores are not 100% round. the correct thing to do is get the block torque plate bored and honed to .020. Get a nice .020 piston like Diamond, CP, JE, Ross, etc and some eagle or manley rods. meaure your crank journals to see if an align hone is necessary. Also check to make sure the decks are flat and even side to side. from there its just assembly with micrometers and ring filers (which is a pain in the ass). also, since these pistons have full floating pins, you need spiralox which are a whore and a half to put on. my suggestion? buy a junkyard 4.6 from a crown vic and rebuild that with just new bearings and gaskets. You shouldn't be out more than 250 bux, and you could sell it afterwards. that way, if you screw up, you aren't out a lot of money. [/QUOTE]
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Anyone ever tackle forged pistons and rods install?
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