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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old February 7th, 2015, 12:02 AM
atomman atomman is offline
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Default Different pistons for V-12

OK, fellow cast members, here is the question: What other piston could be used in the V-12 instead of the four ring. Is the top steel ring required? With the scarcity of the original pistons, at $1000-$1800 for a set, what could be used? What have you used? Yes pistons can be custom made, but whats available outside the box?
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Old February 7th, 2015, 12:19 AM
bigblockv6 bigblockv6 is offline
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Default Re: Different pistons for V-12

351 piston sets have been showing up lately on ebay which are the same for the V12 other than the fact that you'll need 2 sets. There was one set that just sold for $350, so I don't think you'll necessarily be spending $1000- $1800 for 12 NOS pistons. Some early 1966 351E engines did use 3 ring pistons but later went to the 4 ring, so 3 ring pistons are long obsolete for these engines. If you want 3 ring pistons then Custom ones will be the way to go.
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Old February 7th, 2015, 07:20 PM
atomman atomman is offline
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Default Re: Different pistons for V-12

What about a flat top 3 ring piston?
atomman
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Old February 7th, 2015, 07:27 PM
bigblockv6 bigblockv6 is offline
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Default Re: Different pistons for V-12

Flat top 3 ring pistons would be great but they will have to e custom made.
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