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  #31 (permalink)  
Old 05-04-2012, 05:46 PM
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1.21 giga-watts???!!!!
 
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Yeah, I went over there to check it out. I don't see any famous names or nobodies, for that matter, putting their name or reputation to what they say. Just more anonymous internet jockeys posting opinions. Saw some guy's nattering about whether GM's cowl induction hood was better to run than an open element air cleaner and how much H.P. is each worth. Eerily familiar.

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  #32 (permalink)  
Old 05-04-2012, 07:03 PM
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Speedtalk is a good site. But that is not the core issue here.
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  #33 (permalink)  
Old 05-04-2012, 07:09 PM
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I have owned 3 Chevy trucks with the vortec 350 engine. All three spun bearings. BUT one spun one at 275,000. One at 335,000 and my most recent one went at 340,000. All original engines. I wouldn't place that blame on PM rods. I think if you care and maintain the engine it will last a good long service life.

Also check which bearing spun....every vortec I've seen with a spun rod bearing was either the first or second bearing. And every time that I know of, the engine was run at red line excessively. Guys correct me if I'm wrong, but I thought I remember reading that was due to the way the engine was balanced. Or something to that effect!
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Old 05-04-2012, 07:41 PM
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Quote:
Originally Posted by CJ_1080
I have owned 3 Chevy trucks with the vortec 350 engine. All three spun bearings. BUT one spun one at 275,000. One at 335,000 and my most recent one went at 340,000. All original engines. I wouldn't place that blame on PM rods. I think if you care and maintain the engine it will last a good long service life.

Also check which bearing spun....every vortec I've seen with a spun rod bearing was either the first or second bearing. And every time that I know of, the engine was run at red line excessively. Guys correct me if I'm wrong, but I thought I remember reading that was due to the way the engine was balanced. Or something to that effect!
So, CJ, I'm reading that you flogged on these 3 engines un-mercifully, and they only lasted on average 315,000 miles! Wonder how long they would have lasted with good rods?! LOL

Ed
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