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Engine Specific Tech
94-95 5.0 - Specific
Help me decide.....306 or 331.
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<blockquote data-quote="Paul" data-source="post: 151082" data-attributes="member: 9404"><p>Well, my old 418 had a set of 6.200" 4340 Forged H-beam Eagle rods in it. The engine had low oil pressure so I pulled it apart to inspect it. After only 7000 street miles, maybe a half dozen passes down the track, and a few dyno pulls - my rods had cracks in them already. The machine shop noticed it when I took them in to have them honed. That was not a cheap set of rods either. This couldn't be due to power production either because even on spray the most the motor made was 487 rwhp and 615 rwtq. That shouldn't be enough to crack a set of forged H-beams. So, no more Eagle for me. I replaced them with a set of Oliver billet rods that set me back a whopping $1100 - but at least I know these won't crack.</p><p></p><p></p><p>As for SCAT. When I reinstalled the motor, I got a new SCAT 4340 Forged Nitrided 4.100" stroker crank. Again, this was NOT a cheap crank. After getting everything back together and firing up the motor. I had a HORRIBLE oil leak. It was coming out of the bellhousing so I figured I blew out the rear main seal somehow. Took everything apart and this is what I found... I would never believe it myself unless I had a picture to prove it.</p><p></p><p><img src="http://members.cox.net/carpinteri/Saleen/Oil%20Leak.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>SCAT actually drilled the pilot bearing hole so deep that it breached the oil journals, and oil was spraying directly out of the center of my crankshaft. You can imagine how pissed I was after having spent so many hours getting everything back together only to find out that EVERYTHING MUST BE DISASSEMBLED AGAIN, INCLUDING THE MOTOR.</p><p></p><p>Fuck SCAT and Eagle. I'll never buy their shit again. I'm probably going to get my next crank from Lunati or Oliver, and I'll be purchasing Oliver rods from now on.</p><p></p><p>Paul.</p></blockquote><p></p>
[QUOTE="Paul, post: 151082, member: 9404"] Well, my old 418 had a set of 6.200" 4340 Forged H-beam Eagle rods in it. The engine had low oil pressure so I pulled it apart to inspect it. After only 7000 street miles, maybe a half dozen passes down the track, and a few dyno pulls - my rods had cracks in them already. The machine shop noticed it when I took them in to have them honed. That was not a cheap set of rods either. This couldn't be due to power production either because even on spray the most the motor made was 487 rwhp and 615 rwtq. That shouldn't be enough to crack a set of forged H-beams. So, no more Eagle for me. I replaced them with a set of Oliver billet rods that set me back a whopping $1100 - but at least I know these won't crack. As for SCAT. When I reinstalled the motor, I got a new SCAT 4340 Forged Nitrided 4.100" stroker crank. Again, this was NOT a cheap crank. After getting everything back together and firing up the motor. I had a HORRIBLE oil leak. It was coming out of the bellhousing so I figured I blew out the rear main seal somehow. Took everything apart and this is what I found... I would never believe it myself unless I had a picture to prove it. [img]http://members.cox.net/carpinteri/Saleen/Oil%20Leak.jpg[/img] SCAT actually drilled the pilot bearing hole so deep that it breached the oil journals, and oil was spraying directly out of the center of my crankshaft. You can imagine how pissed I was after having spent so many hours getting everything back together only to find out that EVERYTHING MUST BE DISASSEMBLED AGAIN, INCLUDING THE MOTOR. Fuck SCAT and Eagle. I'll never buy their shit again. I'm probably going to get my next crank from Lunati or Oliver, and I'll be purchasing Oliver rods from now on. Paul. [/QUOTE]
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Help me decide.....306 or 331.
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