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well Im working on the short block now......trying to get a less expensive route. Do I really need the forged 4340 crank and H-beam rods? Or is a cast crank and I bean rods sufficient? whats the deal with 5.4" rods and 5.315"? Use a HV oil pump? I am looking at ordering a 342 shortblock from P.A.W. for $1800 allready balanced and with a brand new standard bore block. But if my machine shop gets me a good price Im just going to order the kit and use my old block.
 

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I used the I-Beam rods but did use the forged crank. definetly use the 5.315" C. rods - it allows the non-cut oil groove in the piston. i just got my 347 fired up this last weekend - see my last post here for a vid. cap of the engine running my previous post here

I also used the HV oil pump.
 

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You might check with Brian at www.adperformance.com on pricing a kit.

Generally speaking, unless you're going to use a power adder or twist it to extreme rpm, a good cast crank will get the job done as will the I-beam rods.

Have a plan and have fun. ::
 
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