Need some good light weight pistions for my 355?
03-17-2011, 02:50 PM
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Need some good light weight pistions for my 355? I am looking for good affordable light weight pistons for my lt1 355 build. What brand and part number would you guys recommend? I originally ordered these, but summit keeps delaying the delivery date http://www.summitracing.com/parts/SLP-L2490F30/. I would prefer forged with 1/16 in. x 1/16 in. x 3/16 in rings.
03-17-2011, 06:05 PM
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How about these http://www.summitracing.com/parts/PBP-12334-030/; I can get them at a local speed shop. I will be using a .026" thick head gasket and 54cc heads.
Last edited by henry172; 03-17-2011 at 06:32 PM.
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03-18-2011, 01:35 AM
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I think I am going to go with the srs 6" rod pistons; they are bit lower on the price than others. The car is not going to be a all out track car, just want a good powered daily driver; I don't need super light piston just want them slight less heavy than the stockers with less drag on the cylinder walls. Even though the Probes are cheap I think they will work well with my le1 + lt4 hotcam top end. I would think they would be a upgrade over the sealed power pistons I was originally going to use.
03-18-2011, 07:41 PM
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03-19-2011, 01:18 AM
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I know the Mahle would be better, but they are not the absolutely only piston that will work; the probe pistons I bought would have to be a improvement over the stock pistons. The rotating assy will be balanced with the probe pistons.
03-19-2011, 10:38 AM
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Wiseco makes a small block pro-lite piston that has moly rings and skirt coating. They are a great price and when Hot Rod magazine did a comparison between the top 5 piston manufacturers, Wiseco was the lightest by almost 100 grams per piston. The pro-lites are also 2618 material and are a great forging. I would stay away from JE anymore, their quality has dropped dramatically.
03-19-2011, 04:04 PM
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03-20-2011, 10:38 AM
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Wiseco makes a small block pro-lite piston that has moly rings and skirt coating. They are a great price and when Hot Rod magazine did a comparison between the top 5 piston manufacturers, Wiseco was the lightest by almost 100 grams per piston. The pro-lites are also 2618 material and are a great forging. I would stay away from JE anymore, their quality has dropped dramatically.
03-20-2011, 06:12 PM
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I cannot get into it due to a privacy act I am under, I work for the same company that owns JE, all I can say is from what I see come through and what I hear, they are not doing to well at all and quality is a lot to blame. I would go with Wiseco or Diamond before any other piston manufacturer, they both keep up on forging technology compared to any other company, Mahle is not far behind. I am partial to Wiseco, they also just release a LSX style forging and ring package for traditional small blocks, it's really strong and lightweight, but adds $$$$.