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331 vs 347
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[QUOTE]Originally posted by 93PONY: [QB] [QUOTE]Originally posted by ugotsmoked: [qb] Run a 331, 347 have oil ring issuses and arent as reliable as a 331. I would run a DSS shortblock, 8.5 to 1 compression, AFR 205's, plus your top end. Contact Anderson Motorsports for the correct cam for your application. Make sure to have everything tuned by a professional. [/qb][/QUOTE]Myths.... There are no more issues with the 347's & oild control. The issues came about due to the oil ring intersecting the Pin. This was solved by simply adding a support ring under the oil rings.....years ago. Since then there is also another solution. Use 331 pistons with a 5.315 rod instead of a 5.4 rod. This moves the oil ring up, out of the way of the wrist pin. I have had ZERO oil control problems with any of the 347's I've built. I personally have a 331 in my turbo stang & regret not going to a 347. My wife's 347 runs SOOO much stronger....I could only imagine what it would run like with boost. Skip the DSS shortblock. AFR205's with 12-15lbs of boost is too much for a stock block. If you're going to spend the $$$, do it right the first time & buy a Dart or R302 block. You'll be money ahead in the long run. There's an old saying.... You don't stick a $200 rotating assembly in a $2000 block, & you don't stick a $2000 rotating assembly in a $200 block! Either way & you'll end up paying for it.....split the block, or shove a rod through the block. [/QB][/QUOTE]
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