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SVTPerformance's Chain of Restaurants
Road Side Pub
how much HP
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<blockquote data-quote="Ironhand" data-source="post: 12113532" data-attributes="member: 32955"><p>Pistons, piston rings, wrist pins, bearings, oil pump, and rod bolts.</p><p></p><p></p><p></p><p>Replace those and you should be good to go.</p><p></p><p></p><p></p><p>The Piston to wall clearance is way too tight.</p><p></p><p>Piston rings are plasma moly and not recommended for anything over 17psi.</p><p></p><p>Wrist pins are .155 wall Chrome moly which is good for 700 or so depending on power adder and how its driven as a two step will beat the piss out of the wrist pins. </p><p></p><p>Bearings are too soft.</p><p></p><p>Oil pump needed to be a TSS billet oil pump(no, nothing else)</p><p></p><p>Rod bolts are made from 8740 and while they are ok you need to have a 2:1 safety margin in rod bolt strength. As the rod reaches TDC overlap, those two rod bolts start to stretch and are the only things holding that rod and piston from trying to exit through your cylinder head. Replace the rod bolts, torque them down with the cap on, and have them checked for roundness.</p><p></p><p></p><p>Just my two cents.</p></blockquote><p></p>
[QUOTE="Ironhand, post: 12113532, member: 32955"] Pistons, piston rings, wrist pins, bearings, oil pump, and rod bolts. Replace those and you should be good to go. The Piston to wall clearance is way too tight. Piston rings are plasma moly and not recommended for anything over 17psi. Wrist pins are .155 wall Chrome moly which is good for 700 or so depending on power adder and how its driven as a two step will beat the piss out of the wrist pins. Bearings are too soft. Oil pump needed to be a TSS billet oil pump(no, nothing else) Rod bolts are made from 8740 and while they are ok you need to have a 2:1 safety margin in rod bolt strength. As the rod reaches TDC overlap, those two rod bolts start to stretch and are the only things holding that rod and piston from trying to exit through your cylinder head. Replace the rod bolts, torque them down with the cap on, and have them checked for roundness. Just my two cents. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
how much HP
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